China Professional Spherical Roller Bearing 21313 E, 21313 Ek, 22213 E, 22213 Ek, 22313 E carrier bearing

Product Description

Company Profile
UKL Bearing Manufacturing Co., Ltd., founded in 2002, is a group company integrating R & D, production, sales and after-sales service. The registered brand is UKL. With advanced production equipment and testing instruments, we have the ability to produce high-quality products to replace high-quality brands.

UKL Bearing Manufacturing Co., Ltd. as an export enterprise and has 3 production bases in HangZhou, ZheJiang and HangZhou, China. Our HangZhou factory produces spherical roller bearings, ZheJiang factory produces ball bearings and bearing units, and HangZhou factory mainly produces oversized ball bearings and roller bearings. In addition, our company completed the construction of ZheJiang second new type factory in November 2571, specializing in the production of precision angular contact ball bearings, robot bearings, and special bearings for screw rods. Our company has a comprehensive purchasing and trading network for other types of bearings, such as cylindrical roller bearings, self-aligning ball bearings, tapered roller bearings and spherical roller thrust bearings. With our strict quality management system and professional sales team, we will provide you with high-quality products, preferential prices and excellent after-sales service.

UKL bearings are widely used as supporting products in metallurgy, mining, petroleum, chemical industry, coal, cement, papermaking, wind power, heavy machinery, engineering machinery, port machinery, automation equipment, automobile and other industries. The production accuracy can reach P0, P6, P5, P4.
The company adheres to the business philosophy of “excellence, CZPT service, meticulous manufacturing and brand strategy”, and cooperates with customers at home and abroad on the principle of integrity and fairness. The company has successfully passed ISO9001 quality management system certification and ISO14001 environmental management system certification.

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Products.

Principaldimensions   Basicloadratings Speedratings   Mass Bearing No.
      dynamic static Referencespeed Limitingspeed    
d[mm] D[mm] B[mm] C[kN] C0[kN] [r/min] [r/min] kg  
20 52 18 44.91 39.6 11700 15300 0.28 22205/20 E 
25 62 17 44.19 37.35 8370 10800 0.27 21305 CC 
25 52 18 44.91 39.6 11700 15300 0.18 22205 E 
25 52 18 44.91 39.6 11700 15300 0.17 22205 EK 
25 52 23 44.91 39.6   5490 0.26 BS2-2205-2RS/VT143 
30 72 19 59.13 54.9 7380 9000 0.41 21306 CC 
30 62 20 59.49 54 9000 12600 0.28 22206 E 
30 62 20 59.49 54 9000 12600 0.28 22206 EK 
30 62 25 59.49 54   4590 0.34 BS2-2206-2RS/VT143 
35 80 21 71.28 64.8 6570 8550 0.54 21307 CC 
35 72 23 79.92 76.5 8100 10800 0.44 22207 E 
35 72 23 79.92 76.5 8100 10800 0.43 22207 EK 
35 72 28 79.92 76.5   3870 0.52 BS2-2207-2RS/VT143 
40 90 23 96.3 97.2 6300 8550 0.74 21308 E 
40 90 23 96.3 97.2 6300 8550 0.74 21308 EK 
40 80 23 88.65 81 7200 9900 0.53 22208 E 
40 80 23 88.65 81 7200 9900 0.52 22208 EK 
40 90 33 139.5 126 5400 7200 1 22308 E 
40 90 33 139.5 126 5400 7200 1.05 22308 E/VA405 
40 90 33 139.5 126 5400 7200 0.99 22308 EK 
40 80 28 88.65 81   3510 0.57 BS2-2208-2RS/VT143 
40 80 28 88.65 81   3510 0.55 BS2-2208-2RSK/VT143 
40 90 38 139.5 126   3510 1.2 BS2-2308-2RS/VT143 
45 100 25 116.1 114.3 5670 7650 0.98 21309 E 
45 100 25 116.1 114.3 5670 7650 0.97 21309 EK 
45 85 23 93.6 88.2 6750 9000 0.57 22209 E 
45 85 23 93.6 88.2 6750 9000 0.56 22209 EK 
45 100 36 171 164.7 4770 6300 1.4 22309 E 
45 100 36 171 164.7 4770 6300 1.4 22309 E/VA405 
45 100 36 171 164.7 4770 6300 1.35 22309 EK 
45 85 28 93.6 88.2   3150 0.66 BS2-2209-2RS/VT143 
45 85 28 93.6 88.2   3150 0.66 BS2-2209-2RSK/VT143 
45 100 42 171 164.7   3060 1.6 BS2-2309-2RS/VT143 
50 110 27 143.1 149.4 5040 6750 1.3 21310 E 
50 110 27 143.1 149.4 5040 6750 1.3 21310 EK 
50 90 23 96.3 97.2 6300 8550 0.62 22210 E 
50 90 23 96.3 97.2 6300 8550 0.61 22210 EK 
50 110 40 205.2 201.6 4320 5670 1.85 22310 E 
50 110 40 205.2 201.6 4320 5670 1.9 22310 E/VA405 
50 110 40 205.2 201.6 4320 5670 1.8 22310 EK 
50 90 28 96.3 97.2   2880 0.7 BS2-2210-2RS/VT143 
50 90 28 96.3 97.2   2880 0.7 BS2-2210-2RSK/VT143 
50 110 45 205.2 201.6   2700 2.1 BS2-2310-2RS/VT143 
55 120 29 143.1 149.4 5040 6750 1.7 21311 E 
55 120 29 143.1 149.4 5040 6750 1.65 21311 EK 
55 100 25 116.1 114.3 5670 7650 0.83 22211 E 
55 100 25 116.1 114.3 5670 7650 0.81 22211 EK 
55 120 43 252 252 3870 5040 2.35 22311 E 
55 120 43 252 252 3870 5040 2.45 22311 E/VA405 
55 120 43 252 252 3870 5040 2.3 22311 EK 
55 120 43 252 252 3870 5040 2.4 22311 EK/VA405 
55 100 31 116.1 114.3   2610 1 BS2-2211-2RS/VT143 
55 100 31 116.1 114.3   2610 1 BS2-2211-2RSK/VT143 
55 120 49 252 252   2520 2.8 BS2-2311-2RS/VT143 
60 130 31 195.3 216 4320 5670 2.05 21312 E 
60 130 31 195.3 216 4320 5670 2.05 21312 EK 
60 110 28 143.1 149.4 5040 6750 1.15 22212 E 
60 110 28 143.1 149.4 5040 6750 1.15 22212 EK 
60 130 46 292.5 301.5 3600 4770 2.95 22312 E 
60 130 46 292.5 301.5 3600 4770 3.1 22312 E/VA405 
60 130 46 292.5 301.5 3600 4770 2.9 22312 EK 
60 130 46 292.5 301.5 3600 4770 3.05 22312 EK/VA405 
60 110 34 143.1 149.4   2430 1.3 BS2-2212-2RS/VT143 
60 110 34 143.1 149.4   2430 1.3 BS2-2212-2RSK/VT143 
60 130 53 292.5 301.5   2250 3.4 BS2-2312-2RS/VT143 
65 140 33 218.7 243 3870 5400 2.55 21313 E 
65 140 33 218.7 243 3870 5400 2.5 21313 EK 
65 120 31 178.2 194.4 4500 6300 1.55 22213 E 
65 120 31 178.2 194.4 4500 6300 1.5 22213 EK 
65 140 48 321.3 324 3420 4500 3.5 22313 E 
65 140 48 321.3 324 3420 4500 3.75 22313 E/VA405 
65 140 48 321.3 324 3420 4500 3.45 22313 EK 
65 140 48 321.3 324 3420 4500 3.65 22313 EK/VA405 
65 100 35 123.3 155.7 3870 5670 0.94 24013 CC/W33 
65 100 35 123.3 155.7 3870 5670 0.93 24013 CCK30/W33 
65 100 35 123.3 155.7   2340 0.95 24013-2RS5W/VT143 
65 120 38 178.2 194.4   2160 1.6 BS2-2213-2RS/VT143 
65 120 38 178.2 194.4   2160 1.6 BS2-2213-2RSK/VT143 
65 140 56 321.3 324   2160 4.15 BS2-2313-2RS/VT143 
70 150 35 261.9 292.5 3600 5040 3.15 21314 E 
70 150 35 261.9 292.5 3600 5040 3.1 21314 EK 
70 125 31 191.7 205.2 4500 6030 1.6 22214 E 
70 125 31 191.7 205.2 4500 6030 1.6 22214 EK 
70 150 51 371.7 387 3060 4050 4.3 22314 E 
70 150 51 371.7 387 3060 4050 4.55 22314 E/VA405 
70 150 51 371.7 387 3060 4050 4.25 22314 EK 
70 150 51 371.7 387 3060 4050 4.45 22314 EK/VA405 
70 125 38 191.7 205.2   2070 1.8 BS2-2214-2RS/VT143 
70 125 38 191.7 205.2   2070 1.8 BS2-2214-2RSK/VT143 
70 150 60 371.7 387   1890 5.1 BS2-2314-2RS/VT143 
75 160 37 261.9 292.5 3600 5040 3.8 21315 E 
75 160 37 261.9 292.5 3600 5040 3.75 21315 EK 
75 130 31 195.3 216 4320 5670 1.7 22215 E 
75 130 31 195.3 216 4320 5670 1.65 22215 EK 
75 160 55 415.8 427.5 2880 3870 5.25 22315 E 
75 160 55 415.8 427.5 2880 3870 5.55 22315 EJA/VA405 
75 160 55 415.8 427.5 2880 3870 5.15 22315 EK 
75 160 55 415.8 427.5 2880 3870 5.45 22315 EKJA/VA405 
75 115 40 162.9 208.8 3420 4770 1.4 24015 CC/W33 
75 115 40 162.9 208.8 3420 4770 1.4 24015 CCK30/W33 
75 115 40 162.9 208.8   2070 1.55 24015-2RS5/VT143 
75 130 38 195.3 216   1980 2.1 BS2-2215-2RS/VT143 
75 130 38 195.3 216   1980 2.1 BS2-2215-2RSK/VT143 
75 160 64 415.8 427.5   1890 6.5 BS2-2315-2RS/VT143 
75 160 64 415.8 427.5   1890 6.5 BS2-2315-2RSK/VT143 
80 170 39 297.9 337.5 3420 4770 4.55 21316 E 
80 170 39 297.9 337.5 3420 4770 4.5 21316 EK 
80 140 33 218.7 243 3870 5400 2.1 22216 E 
80 140 33 218.7 243 3870 5400 2.05 22216 EK 
80 170 58 464.4 477 2700 3600 6.25 22316 E 
80 170 58 464.4 477 2700 3600 6.6 22316 EJA/VA405 
80 170 58 464.4 477 2700 3600 6.15 22316 EK 
80 170 58 464.4 477 2700 3600 6.45 22316 EKJA/VA405 
80 140 40 218.7 243   1800 2.4 BS2-2216-2RS/VT143 
80 140 40 218.7 243   1800 2.4 BS2-2216-2RSK/VT143 
80 170 67 464.4 477   1800 7.2 BS2-2316-2RS/VT143 
80 170 67 464.4 477   1800 6.75 BS2-2316-2RSK/VT143 
85 180 41 297.9 337.5 3420 4770 5.35 21317 E 
85 180 41 297.9 337.5 3420 4770 5.3 21317 EK 
85 150 36 261.9 292.5 3600 5040 2.7 22217 E 
85 150 36 261.9 292.5 3600 5040 2.65 22217 EK 
85 180 60 519.3 558 2520 3420 7.3 22317 E 
85 180 60 519.3 558 2520 3420 7.65 22317 EJA/VA405 
85 180 60 519.3 558 2520 3420 7.65 22317 EJA/VA406 
85 180 60 519.3 558 2520 3420 7.2 22317 EK 
85 180 60 519.3 558 2520 3420 7.5 22317 EKJA/VA405 
85 150 44 261.9 292.5   1710 3 BS2-2217-2RS/VT143 
85 150 44 261.9 292.5   1710 3 BS2-2217-2RSK/VT143 
85 180 69 519.3 558   1710 8.2 BS2-2317-2RSK/VT143 
90 190 43 353.7 405 3240 4320 6.25 21318 E 
90 190 43 353.7 405 3240 4320 6.2 21318 EK 
90 160 40 297.9 337.5 3420 4770 3.4 22218 E 
90 160 40 297.9 337.5 3420 4770 3.35 22218 EK 
90 190 64 573.3 625.5 2340 3240 8.7 22318 E 
90 190 64 573.3 625.5 2340 3240 9.05 22318 EJA/VA405 
90 190 64 573.3 625.5 2340 3240 8.5 22318 EK 
90 190 64 573.3 625.5 2340 3240 8.85 22318 EKJA/VA405 
90 160 52.4 334.8 396 2520 3420 4.5 23218 CC/W33 
90 160 52.4 334.8 396 2520 3420 4.4 23218 CCK/W33 
90 160 48 297.9 337.5   1620 3.7 BS2-2218-2RS/VT143 
90 160 48 297.9 337.5   1620 3.7 BS2-2218-2RSK/VT143 
90 190 73 573.3 625.5   1530 9.8 BS2-2318-2RS5/VT143 
90 190 73 573.3 625.5   1530 9.8 BS2-2318-2RS5K/VT143 
95 200 45 389.7 441 3060 4050 7.2 21319 E 
95 200 45 389.7 441 3060 4050 7.15 21319 EK 
95 170 43 353.7 405 3240 4320 4.15 22219 E 
95 170 43 353.7 405 3240 4320 4.1 22219 EK 
95 200 67 629.1 688.5 2340 3060 10 22319 E 
95 200 67 629.1 688.5 2340 3060 10.5 22319 EJA/VA405 
95 200 67 629.1 688.5 2340 3060 9.9 22319 EK 
95 200 67 629.1 688.5 2340 3060 10.5 22319 EKJA/VA405 
95 170 51 353.7 405   1530 4.65 BS2-2219-2RS/VT143 
100 215 47 389.7 441 3060 4050 8.95 21320 E 
100 215 47 389.7 441 3060 4050 8.85 21320 EK 
100 180 46 389.7 441 3060 4050 4.95 22220 E 
100 180 46 389.7 441 3060 4050 4.85 22220 EK 
100 215 73 762.3 855 2160 2700 13 22320 E 
100 215 73 762.3 855 2160 2700 13.5 22320 EJA/VA405 
100 215 73 762.3 855 2160 2700 13.5 22320 EJA/VA406 
100 215 73 762.3 855 2160 2700 12.5 22320 EK 
100 215 73 762.3 855 2160 2700 13 22320 EKJA/VA405 
100 165 52 346.5 441 2700 3600 4.4 23120 CC/W33 
100 165 52 346.5 441 2700 3600 4.25 23120 CCK/W33 
100 165 52 347.4 441   1530 4.55 23120-2RS5/VT143 
100 180 60.3 448.2 540 2160 3060 6.6 23220 CC/W33 
100 180 60.3 448.2 540 2160 3060 6.45 23220 CCK/W33 
100 180 60.3 449.1 540   1440 6.85 23220-2RS/VT143
100 180 60.3 449.1 540   1440 6.85 23220-2RS5/VT143
100 180 60.3   540   18 6.71 23220/C3W33VA9B1 
100 180 60.3   540   18 6.71 23220/C4W33VA9B1 
100 150 50 266.4 373.5 2520 3600 2.95 24571 CC/W33 
100 150 50 266.4 373.5 2520 3600 2.9 24571 CCK30/W33 
100 150 50 266.4 373.5   1530 3.15 24571-2RS5/VT143 
100 165 65 421.2 576 2160 2880 5.45 24120 CC/W33 
100 165 65 421.2 576 2160 2880 5.4 24120 CCK30/W33 
100 165 65 423 576   1530 5.65 24120-2RS5/VT143 
100 180 55 389.7 441   1440 5.5 BS2-2220-2RS5/VT143 
100 180 55 389.7 441   1440 5.5 BS2-2220-2RS5K/VT143 
100 215 82 762.3 855   540 14 BS2-2320-2CS5/VT143 
100 215 82 762.3 855   540 14 BS2-2320-2CS5K/VT143 
110 200 53 514.8 576 2700 3600 7.05 22222 E 
110 200 53 514.8 576 2700 3600 6.9 22222 EK 
110 240 80 890.1 1008 1800 2520 18 22322 E 
110 240 80 890.1 1008 1800 2520 18.4 22322 EJA/VA405 
110 240 80 890.1 1008 1800 2520 18.4 22322 EJA/VA406 
110 240 80 890.1 1008 1800 2520 17.5 22322 EK 
110 240 80 890.1 1008 1800 2520 17.4 22322 EKJA/VA405 
110 170 45 293.4 396 3060 3870 3.7 23571 CC/W33 
110 170 45 293.4 396 3060 3870 3.8 23571 CCK/W33 
110 170 45 293.4 396   1350 3.8 23571-2RS/VT143 
110 180 56 405 526.5 2520 3240 5.55 23122 CC/W33 
110 180 56 405 526.5 2520 3240 5.4 23122 CCK/W33 
110 180 56 405.9 526.5   720 5.75 23122-2CS5/VT143 
110 180 56 405.9 526.5   720 5.55 23122-2CS5K/VT143 
110 180 56   526.5   18 5.4 23122/C3W33VA9B1 
110 180 56   526.5   18 5.4 23122/C4W33VA9B1 
110 200 69.8 563.4 688.5 1980 2880 9.35 23222 CC/W33 
110 200 69.8 563.4 688.5 1980 2880 9.85 23222 CCK/W33 
110 200 69.8 564.3 688.5   576 9.55 23222-2CS5/VT143 
110 200 69.8 564.3 688.5   576 9.55 23222-2CS5K/VT143 
110 170 60 393.3 558 2160 3240 4.95 24571 CC/W33 
110 170 60 393.3 558 2160 3240 4.85 24571 CCK30/W33 
110 170 60 394.2 558   1440 5 24571-2RS5/VT143 
110 180 69 485.1 675 1800 2700 6.9 24122 CC/W33 
110 180 69 485.1 675 1800 2700 6.8 24122 CCK30/W33 
110 180 69 486 675   567 7.1 24122-2CS5/VT143 
110 180 69   675   18 7 24122/C3W33VA9B1 
110 180 69   675   18 7 24122/C4W33VA9B1 
110 200 63 514.8 576   1350 7.6 BS2-2222-2RS5/VT143 
110 200 63 514.8 576   1350 7.6 BS2-2222-2RS5K/VT143 
120 215 58 586.8 688.5 2520 3420 8.95 22224 E 
120 215 58 586.8 688.5 2520 3420 8.75 22224 EK 
120 260 86 917.1 1008 1800 3510 22.5 22324 CC/C4W33VA991 
120 260 86 917.1 1008 1800 2340 22.5 22324 CC/W33 
120 260 86 917.1 1008 1800 2340 23 22324 CCJA/W33VA405 
120 260 86 917.1 1008 1800 2340 23 22324 CCJA/W33VA406 
120 260 86 917.1 1008 1800 2340 22 22324 CCK/W33 
120 260 86 917.1 1008 1800 2340 22.5 22324 CCKJA/W33VA405 
120 260 86 919.8 1008   540 23 22324-2CS5/VT143 
120 260 86 919.8 1008   540 22.5 22324-2CS5K/VT143 
120 260 86   1008   18 22 22324/C3W33VA9B1 
120 260 86   1008   18 22 22324/C4W33VA9B1 
120 180 46 329.4 450 2880 3600 4.05 23571 CC/W33 
120 180 46 329.4 450 2880 3600 3.9 23571 CCK/W33 
120 180 46 330.3 450   1260 4.2 23571-2RS5/VT143 
120 200 62 480.6 625.5 2340 3060 7.75 23124 CC/W33 
120 200 62 480.6 625.5 2340 3060 7.55 23124 CCK/W33 
120 200 62 481.5 625.5   648 7.55 23124-2CS5/VT143 
120 200 62 481.5 625.5   648 7.4 23124-2CS5K/VT143 
120 215 76 658.8 837 1800 2520 12 23224 CC/W33 
120 215 76 658.8 837 1800 2520 11.5 23224 CCK/W33 
120 215 76 660.6 837   540 12 23224-2CS5/VT143 
120 215 76 660.6 837   540 11.5 23224-2CS5K/VT143 
120 180 60 410.4 603 2160 3060 5.3 24571 CC/W33 
120 180 60 410.4 603 2160 3060 5.2 24571 CCK30/W33 
120 180 60 411.3 603   603 5.45 24571-2CS5/VT143 
120 180 60   603   18 5.36 24571/C3W33VA9B1 
120 180 60   603   18 5.36 24571/C4W33VA9B1 
120 200 80 611.1 855 1710 2340 10 24124 CC/W33 
120 200 80 611.1 855 1710 2340 9.9 24124 CCK30/W33 
120 200 80 612 855   504 10.3 24124-2CS5/VT143 
120 215 69 586.8 688.5   1260 9.75 BS2-2224-2RS5/VT143 
120 215 69 586.8 688.5   1260 9.75 BS2-2224-2RS5K/VT143 
130 230 64 682.2 837 2340 3240 11.5 22226 E 
130 230 64 682.2 837 2340 3240 11 22226 EK 
130 280 93 1058.4 1188 1620 3240 28 22326 CC/C4W33VA991 
130 280 93 1058.4 1188 1620 2160 28 22326 CC/W33 
130 280 93 1058.4 1188 1620 2160 29 22326 CCJA/W33VA405 
130 280 93 1058.4 1188 1620 2160 29 22326 CCJA/W33VA406 
130 280 93 1058.4 1188 1620 2160 27.5 22326 CCK/W33 
130 280 93 1058.4 1188 1620 2160 28.5 22326 CCKJA/W33VA405 
130 280 93 1060.2 1188   450 29 22326-2CS5/VT143 
130 280 93 1060.2 1188   450 28.5 22326-2CS5K/VT143 
130 220 73 507.6 837 1440 2160 11.5 229750 J/C3R505 
130 200 52 406.8 549 2520 3240 5.8 23026 CC/W33 
130 200 52 406.8 549 2520 3240 5.65 23026 CCK/W33 
130 200 52 406.8 549   720 6 23026-2CS5/VT143 
130 200 52 406.8 549   720 5.8 23026-2CS5K/VT143 
130 210 64 527.4 702 2160 2880 8.5 23126 CC/W33 
130 210 64 527.4 702 2160 2880 8.25 23126 CCK/W33 
130 210 64 528.3 702   603 8.1 23126-2CS5K/VT143 
130 230 80 743.4 954 1710 2340 14 23226 CC/W33 
130 230 80 743.4 954 1710 2340 14 23226 CCK/W33 
130 230 80 745.2 954   477 14.5 23226-2CS5/VT143 
130 230 80 745.2 954   477 14 23226-2CS5K/VT143 
130 200 69 512.1 733.5 1800 2700 7.75 24026 CC/W33 
130 200 69 512.1 733.5 1800 2700 7.65 24026 CCK30/W33 
130 200 69 513 747   540 8.05 24026-2CS5/VT143 
130 200 69   733.5   18 7.93 24026/C3W33VA9B1 
130 200 69   733.5   18 7.93 24026/C4W33VA9B1 
130 210 80 629.1 900 1530 2160 10.5 24126 CC/W33 
130 210 80 629.1 900 1530 2160 10.5 24126 CCK30/W33 
130 210 80 630.9 900   477 11 24126-2CS5/VT143 
130 210 80   900   18 10.5 24126/C3W33VA9B1 
130 210 80   900   18 10.5 24126/C4W33VA9B1 
130 230 75 682.2 837   630 11 BS2-2226-2CS5/VT143 
130 230 75 682.2 837   630 10.5 BS2-2226-2CS5K/VT143 
140 250 68 668.7 810 2160 2880 14 22228 CC/W33 
140 250 68 668.7 810 2160 2880 14 22228 CCK/W33 
140 250 68 669.6 810   603 14 22228-2CS5/VT143 
140 250 68 669.6 810   603 13.5 22228-2CS5K/VT143 
140 300 102 1221.3 1404 1530 3060 35 22328 CC/C4W33VA991 
140 300 102 1221.3 1404 1530 1980 35 22328 CC/W33 
140 300 102 1221.3 1404 1530 1980 36.5 22328 CCJA/W33VA405 
140 300 102 1221.3 1404 1530 1980 36.5 22328 CCJA/W33VA406 
140 300 102 1221.3 1404 1530 1980 34.5 22328 CCK/W33 
140 300 102 1221.3 1404 1530 1980 35.5 22328 CCKJA/W33VA405 
140 300 102 1223.1 1404   387 36.5 22328-2CS5/VT143 
140 300 102 1223.1 1404   387 35.5 22328-2CS5K/VT143 
140 210 53 436.5 612 2340 3060 6.3 23571 CC/W33 
140 210 53 436.5 612 2340 3060 6.1 23571 CCK/W33 
140 210 53 436.5 612   630 6.55 23571-2CS5/VT143 
140 210 53 436.5 612   630 6.35 23571-2CS5K/VT143 
140 225 68 593.1 810 1980 2520 10.5 23128 CC/W33 
140 225 68 593.1 810 1980 2520 10 23128 CCK/W33 
140 225 68 594 810   567 9.9 23128-2CS5K/VT143 
140 250 88 865.8 1125 1530 2160 18.5 23228 CC/W33 
140 250 88 865.8 1125 1530 2160 18 23228 CCK/W33 
140 250 88 866.7 1125   432 19 23228-2CS5/VT143 
140 250 88 866.7 1125   432 18.5 23228-2CS5K/VT143 
140 210 69 540 810 1800 2520 8.25 24571 CC/W33 
140 210 69 540 810 1800 2520 8.15 24571 CCK30/W33 
140 210 69 540.9 810   504 8.55 24571-2CS5/VT143 
140 210 69   810   18 8.43 24571/C3W33VA9B1 
140 210 69   810   18 8.43 24571/C4W33VA9B1 
140 225 85 716.4 1044 1440 1980 13 24128 CC/W33 
140 225 85 716.4 1044 1440 1980 12.5 24128 CCK30/W33 
140 225 85 717.3 1044   405 13.5 24128-2CS5/VT143 
140 225 85 717.3 1044   405 13.5 24128-2CS5K30/VT143 
140 225 85   1044   18 12.5 24128/C3W33VA9B1 
140 225 85   1044   18 12.5 24128/C4W33VA9B1 
150 270 73 808.2 972 1980 2700 18 22230 CC/W33 
150 270 73 808.2 972 1980 2700 17.5 22230 CCK/W33 
150 270 73 809.1 972   567 18 22230-2CS5/VT143 
150 270 73 809.1 972   567 17.5 22230-2CS5K/VT143 
150 320 108 1385.1 1584 1440 2790 42 22330 CC/C4W33VA991 
150 320 108 1385.1 1584 1440 1800 42 22330 CC/W33 
150 320 108 1385.1 1584 1440 1800 43.5 22330 CCJA/W33VA405 
150 320 108 1385.1 1584 1440 1800 43.5 22330 CCJA/W33VA406 
150 320 108 1385.1 1584 1440 1800 41 22330 CCK/W33 
150 320 108 1385.1 1584 1440 1800 42.5 22330 CCKJA/W33VA405 
150 320 108 1386.9 1584   360 43.5 22330-2CS5/VT143 
150 320 108 1386.9 1584   360 42.5 22330-2CS5K/VT143 
150 225 56 477.9 675 2160 2880 7.65 23030 CC/W33 
150 225 56 477.9 675 2160 2880 7.4 23030 CCK/W33 
150 225 56 478.8 675   603 7.95 23030-2CS5/VT143 
150 225 56 478.8 675   603 7.7 23030-2CS5K/VT143 
150 225 56   675   18 7.45 23030/C3W33VA9B1 
150 225 56   675   18 7.45 23030/C4W33VA9B1 
150 250 80 794.7 1080 1800 2340 16 23130 CC/W33 
150 250 80 794.7 1080 1800 2340 15.5 23130 CCK/W33 
150 250 80 795.6 1080   504 16 23130-2CS5/VT143 
150 250 80 795.6 1080   504 15.5 23130-2CS5K/VT143 
150 270 96 1016.1 1314 1440 1980 23.5 23230 CC/W33 
150 270 96 1016.1 1314 1440 1980 23 23230 CCK/W33 
150 270 96 1018.8 1314   387 24.5 23230-2CS5/VT143 
150 270 96 1018.8 1314   387 24 23230-2CS5K/VT143 
150 225 75 612 936 1620 2340 10.5 24030 CC/W33 
150 225 75 612 936 1620 2340 10 24030 CCK30/W33 
150 225 75 612.9 936   477 10.5 24030-2CS5/VT143 
150 225 75   936   18 10.3 24030/C3W33VA9B1 
150 225 75   936   18 10.3 24030/C4W33VA9B1 
150 250 100 948.6 1377 1260 1800 19.5 24130 CC/W33 
150 250 100 948.6 1377 1260 1800 19.5 24130 CCK30/W33 
150 250 100 950.4 1377   360 19.8 24130-2CS5/VT143 
150 250 100 950.4 1377   360 19.5 24130-2CS5K30/VT143 
150 250 100   1377   18 19.8 24130/C3W33VA9B1 
150 250 100   1377   18 19.8 24130/C4W33VA9B1 
160 290 80 938.7 1161 1800 2520 23 22232 CC/W33 
160 290 80 938.7 1161 1800 2520 22.5 22232 CCK/W33 
160 290 80 939.6 1161   540 22.5 22232-2CS5/VT143 
160 290 80 939.6 1161   540 22 22232-2CS5K/VT143 
160 340 114 1512 1764 1350 2610 50 22332 CC/C4W33VA991 
160 340 114 1512 1764 1350 1710 50 22332 CC/W33 
160 340 114 1512 1764 1350 1710 52 22332 CCJA/W33VA405 
160 340 114 1512 1764 1350 1710 52 22332 CCJA/W33VA406 
160 340 114 1512 1764 1350 1710 49 22332 CCK/W33 
160 340 114 1512 1764 1350 1710 51 22332 CCKJA/W33VA405 
160 340 114 1514.7 1764   342 52 22332-2CS5/VT143 
160 340 114 1514.7 1764   342 51 22332-2CS5K/VT143 
160 340 114   1764   18 49 22332/C3W33VA9B1 
160 340 114   1764   18 49 22332/C4W33VA9B1 
160 240 60 552.6 792 2160 2700 9.25 23032 CC/W33 
160 240 60 552.6 792 2160 2700 9 23032 CCK/W33 
160 240 60 553.5 792   603 9.7 23032-2CS5/VT143 
160 240 60 553.5 792   603 9.4 23032-2CS5K/VT143 
160 270 86 926.1 1233 1710 2160 20 23132 CC/W33 
160 270 86 926.1 1233 1710 2160 19.5 23132 CCK/W33 
160 270 86 927 1260   477 20.5 23132-2CS5/VT143 
160 270 86 927 1260   477 19.9 23132-2CS5K/VT143 
160 290 104 1152.9 1494 1350 1980 29.5 23232 CC/W33 
160 290 104 1152.9 1494 1350 1980 29 23232 CCK/W33 
160 240 80 704.7 1080 1530 2160 12.5 24032 CC/W33 
160 240 80 704.7 1080 1530 2160 12.5 24032 CCK30/W33 
160 240 80 705.6 1080   405 13 24032-2CS5/VT143 
160 240 80   1080   18 12.8 24032/C3W33VA9B1 
160 240 80   1080   18 12.8 24032/C4W33VA9B1 
160 270 109 1104.3 1584 1170 1710 25 24132 CC/W33 
160 270 109 1104.3 1584 1170 1710 24.5 24132 CCK30/W33 
160 270 109 1106.1 1584   342 25 24132-2CS5/VT143 
170 310 86 1064.7 1314 1710 2340 28 22234 CC/W33 
170 310 86 1064.7 1314 1710 2340 27.5 22234 CCK/W33 
170 310 86 1066.5 1314   450 28.5 22234-2CS5/VT143 
170 310 86 1066.5 1314   450 28 22234-2CS5K/VT143 
170 360 120 1676.7 1944 1260 2430 59 22334 CC/C4W33VA991 
170 360 120 1676.7 1944 1260 1620 59 22334 CC/W33 
170 360 120 1676.7 1944 1260 1620 61 22334 CCJA/W33VA405 
170 360 120 1676.7 1944 1260 1620 61 22334 CCJA/W33VA406 
170 360 120 1676.7 1944 1260 1620 58 22334 CCK/W33 
170 360 120 1676.7 1944 1260 1620 59.5 22334 CCKJA/W33VA405 
170 260 67 670.5 954 1980 2520 12.5 23034 CC/W33 
170 260 67 670.5 954 1980 2520 13 23034 CCK/W33 
170 260 67 671.4 972   567 13 23034-2CS5/VT143 
170 260 67 671.4 972   567 12.6 23034-2CS5K/VT143 
170 280 88 977.4 1350 1620 2160 21.5 23134 CC/W33 
170 280 88 977.4 1350 1620 2160 21 23134 CCK/W33 
170 280 88 979.2 1350   432 22 23134-2CS5/VT143 
170 280 88 979.2 1350   432 21.3 23134-2CS5K/VT143 
170 310 110 1324.8 1737 1260 1800 36 23234 CC/W33 
170 310 110 1324.8 1737 1260 1800 35 23234 CCK/W33 
170 310 110 1328.4 1764   342 35 23234-2CS5K/VT143 
170 260 90 866.7 1314 1440 2160 17 24034 CC/W33 
170 260 90 866.7 1314 1440 2160 17 24034 CCK30/W33 
170 260 90 869.4 1350   360 17.5 24034-2CS5/VT143 
170 260 90   1314   18 17.3 24034/C3W33VA9B1 
170 260 90   1314   18 17.3 24034/C4W33VA9B1 
170 280 109 1143 1674 1080 1620 26.5 24134 CC/W33 
170 280 109 1143 1674 1080 1620 26 24134 CCK30/W33 
170 280 109 1145.7 1674   324 27.5 24134-2CS5/VT143 
180 320 86 1113.3 1404 1620 2340 29.5 22236 CC/W33 
180 320 86 1113.3 1404 1620 2340 29 22236 CCK/W33 
180 320 86 1115.1 1404   477 28.9 22236-2CS5/VT143 
180 320 86 1115.1 1404   477 28.4 22236-2CS5K/VT143 
180 380 126 1869.3 2205 1170 2430 68.5 22336 CC/C4W33VA991 
180 380 126 1869.3 2205 1170 1530 68.5 22336 CC/W33 
180 380 126 1869.3 2205 1170 1530 71.5 22336 CCJA/W33VA405 
180 380 126 1869.3 2205 1170 1530 71.5 22336 CCJA/W33VA406 
180 380 126 1869.3 2205 1170 1530 67 22336 CCK/W33 
180 380 126 1869.3 2205 1170 1530 70 22336 CCKJA/W33VA405 
180 280 74 794.7 1125 1800 2340 16.5 23036 CC/W33 
180 280 74 794.7 1125 1800 2340 16 23036 CCK/W33 
180 280 74 795.6 1143   504 17 23036-2CS5/VT143 
180 280 74 795.6 1143   504 16.5 23036-2CS5K/VT143 
180 300 96 1136.7 1584 1530 1980 27.5 23136 CC/W33 
180 300 96 1136.7 1584 1530 1980 26.5 23136 CCK/W33 
180 300 96 1137.6 1620   387 28 23136-2CS5/VT143 
180 300 96 1137.6 1620   387 27 23136-2CS5K/VT143 
180 320 112 1401.3 1908 1170 1710 38.5 23236 CC/W33 
180 320 112 1401.3 1908 1170 1710 37.5 23236 CCK/W33 
180 320 112 1404 1908   324 38 23236-2CS5/VT143 
180 320 112 1404 1908   324 37 23236-2CS5K/VT143 
180 250 52 467.1 747 2340 2520 7.8 23936 CC/W33 
180 250 52 467.1 747 2340 2520 7.6 23936 CCK/W33 
180 280 100 1571.6 1557 1350 1980 22.5 24036 CC/W33 
180 280 100 1571.6 1557 1350 1980 22 24036 CCK30/W33 
180 280 100 1571.4 1557   342 23 24036-2CS5/VT143 
180 300 118 1304.1 1944 990 2160 33 24136 CC/C4W33VA991 
180 300 118 1304.1 1944 990 1440 33.5 24136 CC/W33 
180 300 118 1304.1 1944 990 1440 33 24136 CCK30/W33 
180 300 118 1306.8 1944   324 34.5 24136-2CS5/VT143 
190 340 92 1207.8 1530 1530 2160 35.5 22238 CC/W33 
190 340 92 1207.8 1530 1530 2160 35 22238 CCK/W33 
190 340 92 1210.5 1530   432 34.9 22238-2CS5/VT143 
190 340 92 1210.5 1530   432 33.9 22238-2CS5K/VT143 
190 400 132 2008.8 2385 1080 2250 79.5 22338 CC/C4W33VA991 
190 400 132 2008.8 2385 1080 1440 79.5 22338 CC/W33 
190 400 132 2008.8 2385 1080 1440 82.5 22338 CCJA/W33VA405 
190 400 132 2008.8 2385 1080 1440 82.5 22338 CCJA/W33VA406 
190 400 132 2008.8 2385 1080 1440 78 22338 CCK/W33 
190 400 132 2008.8 2385 1080 1440 81 22338 CCKJA/W33VA405 
190 400 132 2012.4 2385   306 77.7 22338-2CS5/VT143 
190 290 75 824.4 1206 1710 2160 17.5 23038 CC/W33 
190 290 75 824.4 1206 1710 2160 17 23038 CCK/W33 
190 290 75 825.3 1206   468 17 23038-2CS5K/VT143 
190 320 104 1310.4 1872 1350 1800 34.5 23138 CC/W33 
190 320 104 1310.4 1872 1350 1800 33.5 23138 CCK/W33 
190 320 104 1312.2 1872   360 35 23138-2CS5/VT143 
190 320 104 1312.2 1872   360 34 23138-2CS5K/VT143 
190 340 120 1583.1 2160 1170 1620 47 23238 CC/W33 
190 340 120 1583.1 2160 1170 1620 45.5 23238 CCK/W33 
190 340 120 1585.8 2160   306 46.5 23238-2CS5/VT143 
190 340 120 1585.8 2160   306 45.5 23238-2CS5K/VT143 
190 260 52 449.1 720 2160 2340 8.05 23938 CC/W33 
190 260 52 449.1 720 2160 2340 7.8 23938 CCK/W33 
190 290 100 1047.6 1620 1260 1800 23.5 24038 CC/W33 
190 290 100 1047.6 1620 1260 1800 23 24038 CCK30/W33 
190 290 100 1048.5 1620   342 23 24038-2CS5K30/VT143 
190 320 128 1486.8 2250 990 2070 41.5 24138 CC/C4W33VA991 
190 320 128 1486.8 2250 990 1350 41.5 24138 CC/W33 
190 320 128 1486.8 2250 990 1350 41 24138 CCK30/W33 
190 320 128 1489.5 2250   306 43 24138-2CS5/VT143 
200 360 98 1373.4 1737 1440 1980 43 22240 CC/W33 
200 360 98 1373.4 1737 1440 1980 42 22240 CCK/W33 
200 360 98 1376.1 1737   387 42.1 22240-2CS5/VT143 
200 360 98 1376.1 1737   387 41.1 22240-2CS5K/VT143 
200 420 138 2195.1 2610 1080 2160 91 22340 CC/C4W33VA991 
200 420 138 2195.1 2610 1080 1350 91 22340 CC/W33 
200 420 138 2195.1 2610 1080 1350 95 22340 CCJA/W33VA405 
200 420 138 2195.1 2610 1080 1350 95 22340 CCJA/W33VA406 
200 420 138 2195.1 2610 1080 1350 89.5 22340 CCK/W33 
200 420 138 2195.1 2610 1080 1350 93 22340 CCKJA/W33VA405 
200 420 138 2198.7 2610   306 89.5 22340-2CS5K/VT143 
200 310 82 952.2 1377 1620 1980 22.5 23040 CC/W33 
200 310 82 952.2 1377 1620 1980 22 23040 CCK/W33 
200 310 82 953.1 1377   432 22 23040-2CS5/VT143 
200 310 82 953.1 1377   432 21.3 23040-2CS5K/VT143 
200 340 112 1498.5 2124 1350 1710 42 23140 CC/W33 
200 340 112 1498.5 2124 1350 1710 40.5 23140 CCK/W33 
200 340 112 1501.2 2124   342 43 23140-2CS5/VT143 
200 340 112 1501.2 2124   342 41.5 23140-2CS5K/VT143 
200 360 128 1752.3 2430 1080 2250 56.5 23240 CC/C4W33VA991 
200 360 128 1752.3 2430 1080 1530 56.5 23240 CC/W33 
200 360 128 1752.3 2430 1080 1530 55 23240 CCK/W33 
200 360 128 1755 2430   306 58 23240-2CS5/VT143 
200 360 128 1755 2430   306 56.5 23240-2CS5K/VT143 
200 280 60 585.9 936 1980 2160 11.5 23940 CC/W33 
200 280 60 585.9 936 1980 2160 11 23940 CCK/W33 

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Rolling Body: Roller Bearings
The Number of Rows: Double
Outer Dimension: Extra Large (440mm)
Material: Bearing Steel
Spherical: Aligning Bearings
Load Direction: Radial Bearing
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roller bearing

Are there specific considerations for choosing roller bearings in applications with varying loads or operating conditions?

When selecting roller bearings for applications with varying loads or operating conditions, there are several specific considerations to keep in mind. These factors ensure that the chosen bearings can effectively handle the dynamic nature of the loads and operate reliably under changing environmental conditions. Here’s a detailed explanation of the considerations for choosing roller bearings in such applications:

  • Load Capacity and Rating:

One of the primary considerations is to ensure that the roller bearings have adequate load capacity to handle the varying loads. The load capacity of a bearing is determined by its size, design, and material composition. It is crucial to analyze the expected maximum and minimum loads, as well as any transient or shock loads that may occur during operation. Manufacturers provide load ratings for their bearings, specifying the maximum loads they can withstand under ideal conditions. By comparing the application’s load requirements with the bearing’s load rating, one can determine if the bearing is suitable for the varying load conditions.

  • Dynamic Load Rating:

The dynamic load rating of a roller bearing indicates the maximum load that the bearing can sustain for a specified number of revolutions, without experiencing excessive fatigue or wear. In applications with varying loads, it is essential to consider the dynamic load rating as the loads change. The bearing should be able to handle the highest expected dynamic loads without premature failure. If the loads exceed the bearing’s dynamic load rating, it may lead to accelerated wear, deformation, or complete failure of the bearing.

  • Static Load Rating:

In addition to the dynamic load rating, the static load rating of the roller bearing is also important. The static load rating indicates the maximum load that the bearing can sustain without permanent deformation when the bearing is stationary or rotating at very low speeds. Even in applications with varying loads, there may be periods when the bearing experiences static or slowly changing loads. It is crucial to ensure that the bearing’s static load rating is sufficient to support these loads without causing plastic deformation or loss of dimensional stability.

  • Operating Temperature:

The operating temperature of the application is another important consideration. Roller bearings may be exposed to varying temperatures due to ambient conditions or the heat generated during operation. It is crucial to choose bearings that can withstand the expected temperature range without degradation of their performance or premature failure. High-temperature applications may require bearings with heat-resistant materials or special lubricants, while low-temperature applications may require bearings with improved low-temperature toughness and lubrication characteristics.

  • Lubrication:

Lubrication plays a critical role in the performance and durability of roller bearings, especially in applications with varying loads or operating conditions. Adequate and appropriate lubrication helps reduce friction, dissipate heat, and prevent wear and corrosion. In applications with varying loads, it is essential to ensure that the chosen bearing can maintain proper lubrication under all load conditions. Considerations should be given to the lubrication type, viscosity, replenishment intervals, and compatibility with the operating conditions.

  • Sealing and Contamination:

In applications with varying loads or operating conditions, the ingress of contaminants, such as dust, dirt, or moisture, can pose a significant challenge to the performance and longevity of roller bearings. Proper sealing or shielding arrangements should be considered to protect the bearings from contamination. Depending on the severity of the environmental conditions, different types of seals or shields, as mentioned in the previous answer, may be required to ensure the desired level of protection.

  • Mounting and Alignment:

Proper mounting and alignment of roller bearings are crucial for their optimal performance and longevity. In applications with varying loads, it is important to ensure that the bearings are mounted correctly and aligned accurately to accommodate the changing loads and prevent excessive stresses. Improper mounting or misalignment can lead to increased friction, uneven load distribution, premature wear, and reduced bearing life. Following the manufacturer’s instructions and using appropriate mounting techniques are essential for ensuring reliable operation under varying load conditions.

In summary, when choosing roller bearings for applications with varying loads or operating conditions, specific considerations include load capacity and rating, dynamic and static load ratings, operating temperature, lubrication requirements, sealing against contamination, and proper mounting and alignment. By carefully considering these factors, engineers can select roller bearings that can reliably handle the varying loads and operate effectively under changing environmental conditions, ensuring optimal performance and durability of the bearings.roller bearing

What is the impact of proper lubrication on the performance and lifespan of roller bearings?

Proper lubrication plays a crucial role in enhancing the performance and extending the lifespan of roller bearings. The application of the correct lubricant in the appropriate quantity and at regular intervals offers several significant benefits. Here’s a detailed explanation of the impact of proper lubrication on the performance and lifespan of roller bearings:

  • Reduced Friction and Wear:

Proper lubrication creates a thin film of lubricant between the rolling elements and the raceways of roller bearings. This lubricating film acts as a protective barrier, reducing direct metal-to-metal contact and minimizing friction. With reduced friction, the bearing operates more efficiently, resulting in less energy loss and decreased wear. By preventing excessive wear, proper lubrication helps to maintain the precision and smooth operation of roller bearings, contributing to their extended lifespan.

  • Temperature Control:

Lubrication helps to dissipate heat generated during the operation of roller bearings. The lubricant absorbs and carries away heat from the bearing, preventing the buildup of excessive temperatures. Effective temperature control is crucial as elevated temperatures can lead to premature bearing failure, lubricant breakdown, and reduced performance. Proper lubrication ensures that roller bearings operate within their optimal temperature range, promoting reliable performance and prolonging their lifespan.

  • Corrosion and Contamination Prevention:

Lubricants often contain additives that provide protection against corrosion and minimize the effects of contaminants. Roller bearings are vulnerable to corrosion from moisture or aggressive environments, which can degrade their performance and lead to premature failure. Lubrication forms a protective barrier, preventing moisture and corrosive substances from reaching the bearing surfaces. Additionally, lubricants can trap and suspend contaminants, such as dirt, dust, and particles, preventing them from causing damage to the bearing. Proper lubrication helps to maintain a clean and protected environment, ensuring the longevity and reliable operation of roller bearings.

  • Noise and Vibration Reduction:

Insufficient or improper lubrication can result in increased noise and vibration levels in roller bearings. When the lubricating film is inadequate, the rolling elements and raceways can experience metal-to-metal contact, leading to noise and vibration during operation. Proper lubrication ensures that the lubricating film remains intact, minimizing noise and vibration levels. Reduced noise and vibration not only contribute to a smoother and quieter operation but also help to prevent potential damage to the bearing and its surrounding components.

  • Sealing Effectiveness:

Proper lubrication helps to maintain the effectiveness of seals or shields used in roller bearings. Lubricants can enhance the sealing properties of these protective mechanisms, preventing the entry of contaminants into the bearing. By keeping contaminants out, proper lubrication helps to preserve the integrity of the lubricant and prolong the lifespan of the bearing. It also reduces the need for frequent maintenance and extends the time between bearing replacements.

In summary, proper lubrication significantly impacts the performance and lifespan of roller bearings. It reduces friction and wear, controls temperature, prevents corrosion and contamination, reduces noise and vibration, and enhances the effectiveness of sealing mechanisms. By providing optimal lubrication, roller bearings operate more efficiently, experience less wear, and have an extended service life. Regular maintenance and adherence to proper lubrication practices are essential for maximizing the performance and longevity of roller bearings in various applications and industries.

roller bearing

How do roller bearings contribute to reduced friction and smooth rotation in machinery?

Roller bearings play a crucial role in reducing friction and ensuring smooth rotation in machinery. Their design and operating principles contribute to minimizing contact resistance and facilitating efficient motion. Here’s a detailed explanation of how roller bearings achieve reduced friction and smooth rotation:

  • Rolling Motion:

Roller bearings operate on the principle of rolling motion, where the rolling elements (rollers) roll between the inner and outer raceways. This rolling action produces significantly lower friction compared to sliding contact between surfaces. The rolling motion reduces the contact area between the rolling elements and the raceways, resulting in reduced frictional resistance. As a result, roller bearings experience less energy loss and generate less heat during operation, contributing to improved efficiency and reduced wear.

  • Lubrication:

Proper lubrication is essential for reducing friction and ensuring smooth rotation in roller bearings. Lubricants such as oil or grease are used to create a thin film between the rolling elements and raceways. This lubricating film separates the surfaces, minimizing direct metal-to-metal contact and reducing friction. Lubrication also helps to dissipate heat generated during operation and prevent wear and corrosion. Adequate lubrication ensures that roller bearings operate smoothly and with minimal resistance, promoting long service life and reliable performance.

  • Low Friction Materials:

The materials used in roller bearings are carefully selected to minimize friction and enhance performance. The rolling elements and raceways are typically made from high-quality bearing steels that have excellent hardness, strength, and wear resistance. These materials reduce friction and prevent premature wear, ensuring smooth rotation over an extended period. Additionally, the use of low-friction cage materials, such as brass or synthetic polymers, further reduces friction by minimizing frictional contact between the rolling elements and the cage.

  • Precision Manufacturing:

Roller bearings are manufactured with high precision to maintain consistent clearances and minimize internal friction. The dimensions and tolerances of the rolling elements, raceways, and other bearing components are tightly controlled during the manufacturing process. This precision ensures proper alignment and smooth operation of the bearing. By minimizing internal friction and maintaining precise clearances, roller bearings contribute to reduced energy loss and smooth rotation in machinery.

  • Sealing and Contamination Prevention:

Sealing mechanisms are often incorporated into roller bearings to protect them from external contaminants, such as dust, dirt, and moisture. Seals or shields prevent the ingress of contaminants into the bearing, which could increase friction and lead to premature wear. By maintaining a clean and lubricated environment, the seals contribute to reduced friction and ensure smooth rotation. Proper sealing also extends the service life of the bearing and reduces the need for frequent maintenance.

In summary, roller bearings achieve reduced friction and smooth rotation in machinery through their rolling motion, effective lubrication, the use of low-friction materials, precision manufacturing, and sealing mechanisms. By minimizing direct contact, employing efficient lubrication, and maintaining precise clearances, roller bearings optimize the efficiency, reliability, and performance of machinery, leading to smoother operation, reduced energy consumption, and extended service life.

China Professional Spherical Roller Bearing 21313 E, 21313 Ek, 22213 E, 22213 Ek, 22313 E   carrier bearingChina Professional Spherical Roller Bearing 21313 E, 21313 Ek, 22213 E, 22213 Ek, 22313 E   carrier bearing
editor by CX 2024-04-24

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