China Professional CZPT Cheap Price Auto Part Steel Cage or Brass Cage Self-Aligning Roller Bearing Spherical Roller Bearing 24030cc/W33 From China Bearing Factory with Good quality

Product Description

Zys Cheap Price Auto Part Steel Cage or Brass Cage Self-Aligning Roller Bearing Spherical Roller Bearing 24030cc/W33 from China bearing factory

Product Description

Application of spherical roller bearing:

Continuous Casting Machines
Mechanical Fans and Blowers
Gearbox and Pumps 
Wind Turbines
Material Handling 
Marine Propulsion and Offshore Drilling
Mining and Construction Equipment
Pulp and Paper Processing Equipment

Spherical roller bearings have 2 rows of rollers that are mainly used for withstanding radial loads and also axial loads in either direction. Self-aligning roller bearings have high radial load capacity, especially suitable for heavy load or vibration load, but can not withstand the axial load. Spherical roller thrust bearings have good self-aligning properties and can compensate for the coaxiality error. 

Product Parameters

 

Product Name Spherical Roller Bearing
Precision Rating P6, P0, P5, P4, P2
Material Bearing Steel (GCr15)
Clearance C0 C1 C2 C3 C4 C5
Vibration & Noisy Z1, Z2, Z3 V1, V2, V3
Cage Brass, Nylon, Steel
Seal ZZ, 2RS
Features High Precision, High Speed, Long Life, High Reliability, Low Noise, Reduce Friction
Certification ISO 9001: 2008
Packing 1. Neutral Packing Bearing 2. Industrial Packing 3. Commercial Packing Bearing 4. Customize
Delivery Time 7 Days After The Order is Confirmed
Shippment 1. By Sea 2. By Air 3. By Express

Table list of Spherical Roller Bearing

Model Boundary Dimensions (mm) Basic Load Rating (KN) Mass
D D B C Co Kg
21307 21307K 21307W33 35 80 21 70.70 73.30 0.547
21308 21308K 21308W33 40 90 23 87.60 92.00 0.751
21309 21309K 21309W33 45 100 25 105.00 112.00 1.571
21310 21310K 21310W33 50 110 27 121.00 129.00 1.300
21311 21311K 21311W33 55 120 29 141.00 152.00 1.660
21312 21312K 21312W33 60 130 31 165.00 175.00 1.990
21313 21313K 21313W33 65 140 33 186.00 197.00 2.450
21314 21314K 21314W33 70 150 35 206.00 223.00 2.980
21315 21315K 21315W33 75 160 37 249.00 270.00 3.630
21316 21316K 21316W33 80 170 39 272.00 306.00 4.290
21317 21317K 21317W33 85 180 41 297.00 351.00 5.190
21318 21318K 21318W33 90 190 43 320.00 387.00 6.090
21319 21319K 21319W33 95 200 45 366.00 500.00 7.150
21320 21320K 21320W33 100 215 47 397.00 546.00 8.810
21322 21322K 21322W33 110 240 50 460.00 634.00 9.460

Dimensions Chamfer Basic Load Ratings Designation Weight Speed limited
mm r/min
d D B rmin Cr Cor Current Original Kgs Grease Oil
150 225 56 2.1 338 768 23030 305710 8.91 1700 2200
150 225 56 2.1 338 768 23030/W33 305710Y 8.85 1700 2200
150 225 75 2.1 564 1040 24030CC/W33   10.5 1300 1700
150 250 100 2.1 890 1600 24130C 457130 20.4 1000 1400
150 250 100 2.1 890 1600 24130C/W33 457130Y 20 1000 1400
150 270 73 3 738 1100 22230C 53530 18.9 1600 2000
150 270 96 3 935 1520 23230C/W33 357130Y 24.3 1100 1500
150 320 108 4 1270 1850 22330CA/W33 53630HY 41.7 1000 1400

Dimensions Chamfer Basic Load Ratings Designation Weight Speed limited
mm r/min
d D B rmin Cr Cor Current Original Kgs Grease Oil
160 240 60 2.1 376 825 23032 305712 13.5 1700 2200
160 240 60 2.1 376 825 23032/W33 305712Y 13.4 1700 2200
160 240 80 2.1 652 1230 24032C 457132 12.9 1100 1500
160 240 80 2.1 652 1230 24032C/W33 457132Y 12.8 1100 1500
160 270 109 2.1 1040 1880 24132C 457132 25.4 950 1300
160 270 109 2.1 1040 1880 24132C/W33 457132Y 25 950 1300
160 290 80 3 658 1140 22232 3532 22.2 1500 1900
160 290 80 3 658 1140 22232/W33 3532Y 22.1 1500 1900
160 340 114 4 1170 1730 22332/W33 3632Y 49.9 950 1300
                     
Dimensions Chamfer Basic Load Ratings Designation Weight Speed limited
mm r/min
d D B rmin Cr Cor Current Original Kgs Grease Oil
170 260 67 2.1 450 1571 23034 305714 14.7 1600 2000
170 260 67 2.1 450 1571 23034/W33 305714Y 14.6 1600 2000
170 280 109 2.1 700 1200 24134/W33 27 1300 1700
170 310 86 4     22234     1300  
170 310 86 4 730 1300 22234/W33 3534Y 27.2 1300 1700
170 310 110 4 1160 1835 23234CA 357134H 37.1 950 1300
170 360 120 4     22334     950  
170 360 120 4 1200 2060 22334/W33 3634Y 59.3 950 1300
                     
Dimensions Chamfer Basic Load Ratings Designation Weight Speed limited
mm r/min
d D B rmin Cr Cor Current Original Kgs Grease Oil
180 280 100 2.1 930 1820 24036 405716 22.5 950 1300
180 280 100 2.1 930 1820 24036/W33 405716Y 22.3 950 1300
180 300 96 3 695 1480 23136 305716 27.1 1100 1500
180 300 96 3 695 1480 23136/W33 305716Y 26.8 1100 1500
180 300 96 3 695 1480 23136/C9 305716U 27.1 1100 1500
180 300 96 3 695 1480 23136/W33YA2 305716KY 26.8 1100 1500
180 300 96 3 695 1480 23136N 325716 26.4 1100 1500
180 320 86 4 750 1370 22236 3536 28.6 1300 1700
180 320 86 4 750 1370 22236/W33 3536Y 28.3 1300 1700
180 320 112 4 1280 2170 23236CA 357136H 39.6 900 1200
180 320 112 4 1280 2170 23236CA/W33 357136HY 39.5 900 1200
180 320 112 4 1280 2170 23236CA/W33YA2 357136HKY 39.4 900 1200
180 380 126 4 1430 2210 22336 3636 80.7 900 1200
180 380 126 4 1430 2210 22336/W33 3636Y 79.9 900 1200

Dimensions Chamfer Basic Load Ratings Designation Weight Speed limited
mm r/min
d D B rmin Cr Cor Current Original Kgs Grease Oil
190 280 67 2.5 542 978 2638 3738 13.7 1000 1400
190 290 75 2.1 626 1230 23038 305718 20.5 1300 1700
190 290 75 2.1 626 1230 23038/W33 305718Y 20.3 1300 1700
190 320 128 3 1200 2100 24138CA/W33 42 850 1100
190 340 92 4 1070 1650 22238CA 53538H 36 1200 1600
190 340 120 4 1410 2490 23238CA 357138H 51 850 1100
190 400 132 5 1400 2530 22338 3638 80.6 850 1100
190 400 132 5 1400 2530 22338/W33 3638Y 79.7 850 1100

Dimensions Chamfer Basic Load Ratings Designation Weight Speed limited
mm r/min
d D B rmin Cr Cor Current Original Kgs Grease Oil
200 310 82 2.1 655 1310 23040 35710 26.2 1200 1600
200 310 82 2.1 655 1310 23040/W33 35710Y 26 1200 1600
200 310 109 2.1 900 1830 24040CA/W33 30.5 1100 1500
200 340 112 3 930 2571 23140 305710 50.9 950 1300
200 340 112 3 930 2571 23140/W33 305710Y 50.5 950 1300
200 340 140 3 1530 2950 24140C 457140 52 800 1000
200 340 140 3 1530 2950 24140C/W33 457140Y 51.9 800 1000
200 360 98 4 940 1740 22240 3540 44.7 1100 1500
200 360 98 4 940 1740 22240/W33 3540Y 44.2 1100 1500
200 360 128 4 1000 1800 23240/W33 3003240Y 56.5 950 1300
200 420 114 4 1600 2600 22246 3546 69.5 750 950
200 420 138 5 1530 2720 22340 3640 95.3 850 1100
200 420 138 5 1530 2720 22340/W33 3640Y 95 850 1100

Dimensions Chamfer Basic Load Ratings Designation Weight Speed limited
mm r/min
D B rmin Cr Cor Current Original Kgs Grease Oil
320 76 3 758 1280 2644 3844 21.6 1000 1400
370 120 4 1050 2350 23144 305714 54 900 1200
370 120 4 1050 2350 23144/W33 305714Y 53.5 900 1200
400 108 4 1200 2220 22244 3544 57.6 950 1300
400 108 4 1200 2220 22244/W33 3544Y 57.1 950 1300
400 144 4 2070 3620 23244 3003244 94.6 750 950
400 144 4 2070 3620 23244/W33 3003244Y 94.2 750 950
460 145 5 1700 3200 22344 3644 130 750 950
460 145 5 1700 3200 22344/W33 3644Y 129 750 950
mm Chamfer Basic Load Ratings Designation Weight r/min
D B rmin Cr Cor Current Original Kgs Grease Oil
420 114 4 1600 2600 22246 3546 69.5 750 950
Dimensions Chamfer Basic Load Ratings Designation Weight Speed limited
mm r/min
D B rmin Cr Cor Current Original Kgs Grease Oil
360 92 3 820 2060 23048 35718 37.6 1000 1400
360 92 3 820 2060 23048/W33 35718Y 37.4 1000 1400
360 118 3 1000 2200 24048CA/W33 41.7 900 1200
400 128 4 1200 2850 23148 305718 77.2 850 1100
400 128 4 1200 2850 23148/W33 305718Y 75.2 850 1100
400 160 4 2100 3980 24148/W33 405718Y 81.6 480 600
440 120 4 1870 2890 22248 3548 85 900 1200
440 160 4 2490 4490 23248 3003248 128 670 850
440 160 4 2490 4490 23248/W33 3003248Y 127 670 850
500 155 5 1780 3250 22348 3648 154 670 850
500 155 5 1780 3250 22348/W33 3648Y 153 670 850
Dimensions Chamfer Basic Load Ratings Designation Weight Speed limited
mm r/min
D B rmin Cr Cor Current Original Kgs Grease Oil
365 87 3 950 1650 2650 3750 32.2 1000 1400
Dimensions Chamfer Basic Load Ratings Designation Weight Speed limited
mm r/min
D B rmin Cr Cor Current Original Kgs Grease Oil
360 57 2.1 800 1500 23952CA/W33 22.5 1000 1400
400 104 4 1000 2450 23052 305712 51.5 900 1200
400 104 4 1000 2450 23052/W33 305712Y 51.2 900 1200
400 140 4 1300 3000 24052CA/W33 64.4 850 1100
440 144 4 1450 3320 23152 305712 96 800 1000
440 180 4 2660 5180 24152C/W33 457152Y 113 800 1000
480 130 5 2160 3400 22252CA 53552H 105 850 1100
480 174 5 2800 4550 23252C/W33 357152Y 140 630 800
480 174 5 2800 4550 23252CA 357152H 151 630 800
480 174 5 2800 4550 23252CA/W33 357152HY 151 630 800
490 153 4 2070 3650 2652 3752 140 670 850
540 165 6 2250 4190 22352 3652 193 630 800
540 165 6 2250 4190 22352/W33 3652Y 192 630 800
Dimensions Chamfer Basic Load Ratings Designation Weight Speed limited
mm r/min
D B rmin Cr Cor Current Original Kgs Grease Oil
380 75 2.1 800 1500 23956CA/W33 3113956Y 24.5 900 1200
420 106 4 1100 2680 23056 305716 62 850 1100
420 106 4 1100 2680 23056/W33 305716Y 61.5 850 1100
420 140 4 1200 2800 24056CA/W33 67.2 800 1000
460 146 5 1590 3630 23156 305716 95.5 750 950
460 180 5 2000 4100 24156CA/W33 119 750 950
500 130 5 1690 3380 22256 3556 126 800 1000
500 130 5 1690 3380 22256/W33 3556Y 124 800 1000
500 176 5 2880 4900 23256 3003256 153 600 750
500 176 5 2880 4900 23256/W33 3003256Y 152 600 750
580 175 6 3500 5150 22356 3656 238 600 750
580 175 6 3500 5150 22356/W33 3656Y 238 600 750
Dimensions Chamfer Basic Load Ratings Designation Weight Speed limited
mm r/min
D B rmin Cr Cor Current Original Kgs Grease Oil
460 118 4 1260 3070 23060 30 0571 0 75.2 800 1000
460 118 4 1260 3070 23060/W33 30 0571 0Y 74.6 800 1000
460 160 4 2360 5571 24060C/W33 457160Y 101 600 750
500 160 5 2670 4800 23160 30 0571 0 134 670 850
500 160 5 2670 4800 23160/W33 30 0571 0Y 133 670 850
500 200 5 3100 5800 24160C 457160 160 530 670
500 200 5 3100 580 24160C/W33 457160Y 159 530 670
540 140 5 2610 4250 22260 3560 143 750 950
Dimensions Chamfer Basic Load Ratings Designation Weight Speed limited
mm r/min
D B rmin Cr Cor Current Original Kgs Grease Oil
440 90 3 1060 2390 23964K 3113964 45.1 900 1200
480 121 4 1380 3260 23064 30 0571 4 81.5 800 1000
480 121 4 1380 3260 23064/W33 30 0571 4Y 80.9 800 1000
480 160 4 2440 5050 24064 40 0571 4 103 560 700
540 218 5 3550 6650 24164 40 0571 4 252 480 600
540 218 5 3550 6650 24164/W33 40 0571 4Y 251 480 600
580 208 5 3900 6900 23264 3003264 260 500 630
580 208 5 3900 6900 23264/W33 3003264Y 259 500 630
Dimensions Chamfer Basic Load Ratings Designation Weight Speed limited
mm r/min
D B rmin Cr Cor Current Original Kgs Grease Oil
460 90 3 1330 2840 23968 30 0571 8 50.5 900 1200
520 133 5 1580 3810 23068 30 0571 8 109 700 900
520 133 5 1580 3810 23068/W33 30 0571 8Y 109 700 900
520 180 5 2920 6050 24068/W33 40 0571 8Y 160 530 670
580 190 5 3200 6200 23168/W33 300368Y 207 500 630
Dimensions Chamfer Basic Load Ratings Designation Weight Speed limited
mm r/min
D B rmin Cr Cor Current Original Kgs Grease Oil
480 90 3 1130 2710 23972 3003972 49.1 850 1100
540 134 5 1750 4180 23072 30 0571 2 114 670 850
540 134 5 1750 4180 23072/W33 30 0571 2Y 114 670 850
540 180 5 2930 6100 24072C 457172 149 500 630
540 180 5 2930 6100 24072C/W33 457172Y 148 500 630
600 192 5 3800 7100 23172 305712 222 560 700
600 192 5 3800 7100 23172/W33 305712Y 221 560 700
600 243 5 4300 8000 24172 405712 333 430 530
600 243 5 4300 8000 24172CA/W33 405712HY 338 430 530
750 224 7.5 4180 7500 22372 3672 494 340 430
Dimensions Chamfer Basic Load Ratings Designation Weight Speed limited
mm r/min
D B rmin Cr Cor Current Original Kgs Grease Oil
520 106 4 1870 4100 23976 3003976 73.5 800 1000
560 135 5 2500 5100 23076 30 0571 6 122 630 800
620 194 5 2680 6240 23176 305716 244 400 500
620 194 5 2680 6240 23176/W33 305716Y 243 400 500
Dimensions Chamfer Basic Load Ratings Designation Weight Speed limited
mm r/min
D B rmin Cr Cor Current Original Kgs Grease Oil
590 142 6 2290 4420 2680 3880 145 400 500
600 148 5 2970 5900 23080 30 0571 0 165 600 750
600 148 5 2970 5900 23080/W33 30 0571 0Y 165 600 750
650 200 6 4150 7900 23180 305710 239 380 480
650 250 6 4500 8900 24180 326 340 430
650 200 6 4150 7900 23180/W33 305710Y 238 380 480
720 256 6 5800 10400 23280 3003280 530 340 430
720 256 6 5800 10400 23280/W33 3003280Y 530 340 430

About ZYS

HangZhou Bearing Research Institute Co., Ltd. is a high tech enterprise specializing in the development of “high rank, precise, advanced, unique, 
special” bearing products for the key units in various fields of national economic construction. Its predecessor, HangZhou Bearing Research Institute, 
was established in 1958. It is the only state level comprehensive research institute in China’s bearing industry. In 1999, it entered China National 
Machinery Industry Group Co., Ltd. and transformed into a science and technology enterprise.
We focus on developing high performance bearing products for key units of national economic construction. We perform batch production of various 
high rank bearing products and components with inner diameter of 0.6mm to outer diameter of 6.8m. We are mainly engaged in the research, 
development, production and sales of precision bearing, special bearing, high speed machine tool spindle, bearing special equipment, bearing 
testing instruments, bearing testing machine and bearing special materials, which are widely used in the fields of aerospace, machine tools, wind 
power generation, mine metallurgy, petrochemical, medical equipment, automobiles and rail transit, construction machinery, intelligent 
manufacturing services, etc.
We have total assets of 2.06 billion RMB, own one research and development center, three industrial bases and cover an area of more than 47 hectares. We have advanced bearing manufacturing equipments and world first class testing equipments and have solid strength in manufacturing, 
measuring and testing of bearing and related components with high precision and high reliability. We have more than 380 technical staff of bearing 
related disciplines, thus we maintain a leading position in the aspects of bearing design, basic theoretical research, lubrication technology, metallic 
and non-metallic materials, testing and industry standards.

Many scientific research centers, laboratory and service agencies are set in our company, including National Bearing Quality Supervision and 
Inspection Center, National Bearing Accreditation Laboratory, Industrial (Rolling Bearing) Product Quality Control and Technical Evaluation 
Laboratory, National Rolling Bearing Standardization Technical Committee, ISO/TC4 Domestic Technology Responsible Unit, China Bearing 
Industry Association Technical Committee, Machinery Industry Occupational Skill Identification Bearing Industry Sub-center, National Rolling Bearing 
Industry Technology Innovation Strategic Alliance, High-end Bearing Tribology Technology and Application National Local Joint Engineering 
Laboratory, State Key Laboratory of Shield Machine and Boring Technology (Bearing), Machinery Industry High speed Precision Bearing 
Engineering Research Center, ZheJiang  Province Machine Tool Spindle Unit Engineering Research Center, ZheJiang  Province High Performance 
Bearing Technology Key Laboratory, National Postdoctoral Research Workstation, ZheJiang  Province Bearing Generic Technology Academician 
Workstation, State Intellectual Property Office Patent Exchange Station and so on. We have so far achieved 908 major scientific research 
achievements, among which there are 31 awards of National Invention Awards and National Science and Technology Progress Awards, and 234 
awards of provincial scientific and technological achievement awards.We have attained 792 granted patents, among which there are 277 patents for
 inventions. In addition, we established and revised the bearing industry technical standards for over 670 times, and also issued 457 volumes of 
“Bearing” magazine.

 

Our Advantages

ZYS Precision Bearing Quality Control and Assurance:

Austrian AICHELIN heat treatment equipment and long-life heat treatment process provide a strong guarantee for the continuous and reliable operation of bearings.

ZYS MANUFACTURING CAPACITY

ZYS Quality assurance 

ZYS bearing products

 

Exhibition

Packaging & Shipping

 

 

FAQ

Q: Are you trading company or manufacturer?
A: CZPT is bearing manufacturer, the only first-class comprehensive research institute in China bearing industry.

Q: How do you control quality of bearing?
A: CZPT has established quality control systems for each kind of bearing and spindle. All products and services passed ISO9001-2008 Quality Certificate.

Q: What is the MOQ?
A: It depends on the bearing type. You can send inquiry or send e-mail  for more information.

Q: How about the package?
A: Industrial packing in general condition (Plastic tube+ carton+ pallet). Accept design package when OEM.

Q: How long is the delivery time?
A: It will take about 10 to 40 days, depends on the model and quantity.

Q: How about the shipping?
A: We can arrange the shipment or you may have the forwarder.

Q: Is sample avaiable?
A: Yes, sample order is acceptable.

Q: Can we use our own LOGO or design on bearings?
A: Yes. OEM is acceptable. We can design the bearing with your requirements and use your own LOGO and package design.

/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Breadth: 90mm
Inner Diameter: 170mm
Rated Load: Cr:865kn Cor:1420kn
Weight: 17.2kg
Outer Diameter: 260mm
Catogery: Industrial Equipment & Components
Samples:
US$ 9/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

roller bearing

What is the role of cage design and materials in roller bearing performance and durability?

The design and materials used in the cage of a roller bearing have a significant impact on its performance and durability. The cage, also known as the retainer or separator, holds and spaces the rolling elements within the bearing, ensuring their proper alignment and distribution. Here’s a detailed explanation of the role of cage design and materials in roller bearing performance and durability:

  • Rolling Element Guidance:

The primary role of the cage is to guide the rolling elements, such as balls or rollers, within the bearing. The design of the cage determines the spacing and orientation of the rolling elements, maintaining their proper alignment and preventing contact or interference. By guiding the rolling elements, the cage minimizes friction and wear, allowing for smooth and efficient operation of the bearing. It also prevents the rolling elements from skewing or tilting, which could lead to uneven load distribution and premature failure.

  • Load Distribution:

The cage plays a critical role in distributing the loads applied to the bearing evenly among the rolling elements. It helps prevent excessive stress on individual elements, reducing the risk of fatigue, brinelling, or premature wear. An optimally designed cage ensures that the loads are properly distributed, maximizing the bearing’s load-carrying capacity and enhancing its durability under various operating conditions.

  • Lubricant Retention:

The cage also assists in retaining the lubricant within the bearing. It helps create spaces or pockets for lubricant storage, allowing for proper lubrication of the rolling elements and raceways. Effective lubrication reduces friction, heat generation, and wear, promoting smoother operation and extending the bearing’s service life. The cage design should account for sufficient lubricant retention while minimizing excessive drag or churning losses.

  • Friction and Heat Generation:

The materials used in the cage can impact the frictional characteristics and heat generation of the bearing. The design and material selection should aim to minimize friction between the cage and the rolling elements, as well as between the cage and the bearing rings. This reduces energy losses and heat buildup, enhancing the overall efficiency of the bearing. Materials with low friction coefficients and good thermal conductivity, such as engineered plastics or certain types of metals, are commonly used for cage construction.

  • Strength and Durability:

Cage materials should possess sufficient strength and durability to withstand the operating conditions and loads imposed on the bearing. The cage must resist deformation or fatigue under normal operating loads, ensuring the stability and integrity of the rolling element arrangement. The choice of cage material depends on factors such as the application’s speed, temperature, and load requirements. Common cage materials include steel, brass, polyamide (nylon), and various engineered plastics.

  • Noise and Vibration:

The cage design and materials can also influence the noise and vibration characteristics of the bearing. Properly designed and well-matched cages help minimize cage-induced vibrations and rattling, which can contribute to undesirable noise levels. Additionally, certain cage materials with good damping properties can help reduce vibrations and noise generated by the rolling elements’ impacts or resonance phenomena, further improving the bearing’s performance and user experience.

In summary, the cage design and materials significantly impact the performance and durability of roller bearings. They play a vital role in guiding the rolling elements, distributing loads, retaining lubrication, minimizing friction and heat generation, ensuring strength and durability, and influencing noise and vibration levels. By carefully considering the cage design and selecting appropriate materials, manufacturers can optimize the bearing’s performance, improve its reliability, and extend its service life in various applications and operating conditions.

roller bearing

Can you provide examples of machinery or equipment that rely on precision roller bearings?

Precision roller bearings are indispensable components in various machinery and equipment that require high accuracy, tight tolerances, and smooth operation. These bearings are designed to provide exceptional precision and reliability in demanding applications. Here are some examples of machinery and equipment that rely on precision roller bearings:

  • Machine Tools:

Precision roller bearings are extensively used in machine tools such as milling machines, lathes, grinding machines, and machining centers. These bearings ensure precise movement and positioning of the tooling components, enabling accurate cutting, shaping, and machining operations. The high precision and rigidity of roller bearings contribute to superior machining quality and dimensional accuracy.

  • Robotics:

In robotics applications, precision roller bearings are crucial for achieving accurate and repeatable motion control. They are used in robot joints, arms, and end-effectors to ensure precise movement, positioning, and load handling. Precision bearings enable robots to perform tasks with high accuracy and reliability, making them ideal for industrial automation, assembly lines, and advanced robotic systems.

  • Optical and Imaging Equipment:

Precision roller bearings are employed in optical and imaging equipment, including cameras, telescopes, microscopes, and precision measurement instruments. These bearings support the moving components, such as lenses, mirrors, and stages, ensuring smooth and precise positioning. The high precision and low runout of roller bearings contribute to sharp imaging, accurate measurements, and stable optical performance.

  • Coordinate Measuring Machines (CMMs):

CMMs are used for precise dimensional measurement and inspection in manufacturing and quality control processes. Precision roller bearings are utilized in the moving axes and probe systems of CMMs to provide accurate and repeatable positioning. These bearings enable CMMs to achieve precise measurements with tight tolerances, ensuring the accuracy and reliability of dimensional inspection.

  • Semiconductor Manufacturing Equipment:

In the semiconductor industry, precision roller bearings are critical in wafer handling, lithography systems, and other semiconductor manufacturing processes. They contribute to the precise alignment and movement of components, such as wafer stages, reticles, and masks. The high precision and low runout of roller bearings are essential for achieving the stringent dimensional requirements in semiconductor fabrication.

  • High-Speed Spindles:

Precision roller bearings are employed in high-speed spindles used in various applications, including CNC machining, milling, and grinding operations. These bearings enable the spindles to operate at high rotational speeds while maintaining exceptional precision and stability. Precision bearings ensure minimal vibration, runout, and heat generation, allowing for efficient and high-quality machining processes.

These examples represent just a few of the many machinery and equipment types that rely on precision roller bearings. Other applications include printing presses, textile machinery, medical devices, aerospace systems, and more. Precision roller bearings contribute to the overall performance, accuracy, and reliability of these systems, enabling advanced manufacturing, automation, and technological advancements.

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 CZPT Cheap Price Auto Part Steel Cage or Brass Cage Self-Aligning Roller Bearing Spherical Roller Bearing 24030cc/W33 From China Bearing Factory   with Good qualityChina Professional CZPT Cheap Price Auto Part Steel Cage or Brass Cage Self-Aligning Roller Bearing Spherical Roller Bearing 24030cc/W33 From China Bearing Factory   with Good quality
editor by CX 2024-02-05

Roller Bearing

As one of the leading roller bearing manufacturers, suppliers, and exporters of mechanical products, We offer roller bearing and many other products.

Please get in touch with us for details.

Manufacturer supplier exporter of roller bearing.

Recent Posts