China Custom CNC Block Track Roller Linear Guide Needle Rail Tapered Motion Slide Ball Wheel Bearing bearing bronze

Product Description

Product Description

Introduction:

Linear CZPT is consisted of rail, block, rolling elements, retainer, recirculator, end seal etc. By using the rolling elements, such as balls or rollers between the rail and block, the linear CZPT can achieve high precision linear motion.Linear CZPT block is divied to flange type and square type without flange.or Seal type block, Standard type block, Double bearing type block, Short type block. Also,linear block is divided to high load capacity with standard block lenth and ultra high load capacity with longer block length.

 

Catalogue of Linear Xihu (West Lake) Dis.ways:
1.CDH SERIES IS A HIGH ASSEMBLED BALL LINEAR XIHU (WEST LAKE) DIS. RAIL;
2.CDG SERIES IS A LINEAR XIHU (WEST LAKE) DIS. WITH ROLLERS ROLLER TPYE BLOCK,WHICH CAN AFFORD HIGH LOAD;

Structure of Linear Xihu (West Lake) Dis.ways:
1.Rolling cycle system: slider, CZPT rail, end cover, steel ball, ball holder;
2.Lubrication system: oil nozzle and tubing joint;
3.Dust-proof system: oil scraper, negative dust seal dust-proof sheet, CZPT rail bolt cover, metal scrap

Advantages of Linear Xihu (West Lake) Dis.ways:
1.Easy to install ,direct locking with screw and worktable;
2.Design of the ball arrange to upgrade weight bearing capacity;
3.Long life with high speed,high accuracy and linear motion;
4.High speed, low noise;
5.High rigidity ,multiple precision

Applicable Industries:
Building Material Shops, Manufacturing Plant, Machinery Repair Shops, Retail, Printing Shops, Construction works , Advertising Company, Others.

Product Data

CDG-B/CDG-BL                                        
Model No Dimensions of Assembly Dimensions of block(mm) Dimensions of Rail Load Rating Static permissible Moment Weight
  H H1 N W B1   B*C L1 L M*L T WR HR D d h P C C0 MR MP MY Block Rail
  kN kN kN-m kN-m kN-m kg kg/m
CDG30B 45 6 16 60 10   40*40 71 109.8 M8*10 9.5 28 28 14 9 12 40 39.1 82.1 1.445 1.06 1.06 0.9 4.41
CDG30BL   40*60 93 131.8 48.1 105 1.846 1.712 1.712 1.16
CDG35B 55 6.5 18 70 10   50*50 79 124 M8*12 12 34 30.2 14 9 12 40 57.9 105.2 2.17 1.44 1.44 1.57 6.06
CDG35BL   50*72 106.5 151.5 73.1 142 2.93 2.6 2.6 2.06
CDG45B 70 8 20.5 86 13   60*60 106 153.2 M10*17 16 45 38 20 14 17 52.5 92.6 178.8 4.52 3.05 3.05 3.18 9.97
CDG45BL   60*80 139.8 187 116 230.9 6.33 5.47 5.47 4.13
CDG55B 80 10 23.5 100 12.5   75*75 125.5 183.7 M12*18 17.5 53 44 23 16 20 60 130.5 252 8.01 5.4 5.4 4.89 13.98
CDG55BL   75*95 173.8 232 167.8 348.00 11.15 10.25 10.25 6.68
CDG65B 90 12 31.5 126 25   76*70 160 232 M16*20 25 63 53 26 18 22 75 213 411.6 16.20 11.59 11.59 8.89 20.22
CDG65BL   76*120 223 295 275.3 572.7 22.55 22.17 22.17 12.13

CDG-A/CDG-AL                                        
Model No Dimensions of Assembly Dimensions of block(mm) Dimensions of Rail Load Rating Static permissible Moment Weight
  H H1 N W B1 C1 B*C L1 L M T1 WR HR D d h P C C0 MR MP MY Block Rail
kN kN kN-m kN-m kN-m kg kg/m
CDG30A 42 6 31 90 9 44 72*52 71 109.8 M10 10 28 28 14 9 12 40 39.1 82.1 1.445 1.06 1.06 1.16 4.41
CDG30AL 93 131.8 48.1 105 1.846 1.712 1.712 1.52
CDG35A 48 6.5 33 100 9 52 82*62 79 124 M10 13 34 30.2 14 9 12 40 57.9 105.2 2.17 1.44 1.44 1.75 6.06
CDG35AL 106.5 151.5 73.1 142 2.93 2.6 2.6 2.40
CDG45A 60 8 37.5 120 10 60 100*80 106 153.2 M12 15 45 38 20 14 17 52.5 92.6 178.8 4.52 3.05 3.05 3.43 9.97
CDG45AL 139.8 187 116 230.9 6.33 5.47 5.47 4.57
CDG55A 70 10 43.5 140 12 70 116*95 125.5 183.7 M14 17 53 44 23 16 20 60 130.5 252 8.01 5.4 5.4 5.43 13.98
CDG55AL 173.8 232 167.8 348.00 11.15 10.25 10.25 7.61
CDG65A 90 12 53.4 170 14 82 142*110 160 232 M16 23 63 53 26 18 22 75 213 411.6 16.20 11.59 11.59 11.63 20.22
CDG65AL 223 295 275.3 572.7 22.55 22.17 22.17 16.58

About Us
         HangZhou Chaode Machinery Co., Ltd. is located in HangZhou City, ZheJiang Province, the hometown of the beautiful “Legend of Xihu (West Lake) Dis. Yong”. It is 180 kilometers away from ZheJiang and has convenient transportation. It belongs to the 2-hour economic circle of Yangtze River Delta. The high-speed railway from ZheJiang to HangZhou takes only 1 hour. It is our aim to produce first-class and high-precision products. The company has advanced professional processing, production and testing equipment for rolling functional components at home and abroad, and strictly requires every processing procedure to keep up with the world’s leading trend in the industry. With an open mind, learn from leading enterprises at home and abroad, jointly update new technologies and materials in the industry, provide necessary parts for accelerating the replacement of foreign equivalent

 

 


/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Application: Warehouse Crane, Shipboard Crane, Goods Yard Crane, Building Crane, Workshop Crane, CNC Machining Center
Material: Steel
Structure: CNC Machining Center
Installation: All-Terrain Crane
Driven Type: Rack&Pinion
Carrying Capacity: Weight Level
Samples:
US$ 20/Bag
1 Bag(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

roller bearing

Can you describe the various types of seals and shields used with roller bearings for contamination prevention?

Roller bearings are often equipped with seals and shields to prevent contamination from entering the bearing and to retain lubrication. These protective devices help maintain the performance, reliability, and longevity of the bearings in various applications. Here’s a description of the various types of seals and shields commonly used with roller bearings:

  • Contact Seals:

Contact seals, also known as lip seals or radial seals, are designed to create a physical barrier between the bearing and its external environment. They consist of a flexible lip made of elastomeric material, such as nitrile rubber or fluoroelastomer, which makes contact with the inner or outer ring of the bearing. Contact seals provide an effective seal against solid and liquid contaminants, preventing their ingress into the bearing. They also retain the lubricating grease inside the bearing, minimizing the need for frequent relubrication. Contact seals are commonly used in applications where moderate sealing performance is required, such as electric motors, pumps, and automotive wheel bearings.

  • Non-Contact Seals:

Non-contact seals, also known as labyrinth seals or gap seals, do not make physical contact with the bearing surfaces. They feature a series of labyrinth-like channels or grooves that create a tortuous path for contaminants, effectively blocking their entry into the bearing. Non-contact seals provide less friction compared to contact seals, which can be beneficial for applications that require high-speed operation. However, they may offer slightly lower sealing performance in extremely dusty or wet environments. Non-contact seals are commonly used in applications such as machine tools, industrial gearboxes, and high-speed rotating equipment.

  • Metal Shields:

Metal shields, also known as metal covers or metal shields, are rigid plates made of metal, typically steel, that are attached to the bearing outer ring. They provide a physical barrier against larger contaminants, such as dirt and debris, while allowing for limited lubricant flow. Metal shields offer good protection in applications where the primary concern is preventing large solid particles from entering the bearing. They are commonly used in applications such as electric motors, fans, and agricultural machinery.

  • Rubber Shields:

Rubber shields, also known as rubber seals or non-metallic shields, are made of synthetic rubber materials and are attached to the bearing outer ring. They provide effective protection against both solid and liquid contaminants, ensuring a high degree of sealing performance. Rubber shields offer better sealing capabilities compared to metal shields but may introduce slightly more friction. They are commonly used in applications that require enhanced sealing performance, such as automotive wheel bearings, conveyor systems, and food processing equipment.

  • Felt Seals:

Felt seals are made of compressed or impregnated felt material and are used for light-duty sealing applications. They provide a barrier against larger solid contaminants and certain types of liquid contaminants. Felt seals are commonly used in low-speed applications, such as pillow block bearings and lightly loaded machinery.

In summary, roller bearings can be equipped with various types of seals and shields to prevent contamination. Contact seals, non-contact seals, metal shields, rubber shields, and felt seals are commonly used depending on the specific application requirements. These protective devices play a vital role in maintaining the cleanliness and lubrication of the bearing, ensuring optimal performance, reliability, and longevity.

roller bearing

Can you explain the maintenance and installation considerations for roller bearings?

Maintenance and proper installation are crucial for ensuring the optimal performance, longevity, and reliability of roller bearings. Following appropriate maintenance practices and installation procedures helps to prevent premature failure, minimize downtime, and maximize the operational efficiency of roller bearings. Here’s a detailed explanation of the maintenance and installation considerations for roller bearings:

  • Inspection and Cleaning:

Prior to installation, it is essential to inspect roller bearings for any signs of damage, wear, or contamination. This includes checking for cracks, dents, or other visible defects. Additionally, the bearing surfaces should be thoroughly cleaned to remove any dirt, debris, or old lubricant residues that may affect performance. Proper cleaning techniques, such as using appropriate solvents or cleaning agents, should be employed to avoid damaging the bearing components.

  • Proper Lubrication:

Applying the correct lubricant in the appropriate quantity is vital for the smooth operation and extended lifespan of roller bearings. Lubrication helps to reduce friction, dissipate heat, prevent wear, and protect against corrosion. It is important to follow the manufacturer’s recommendations regarding the type of lubricant to use and the lubrication interval. Over- or under-lubrication can have detrimental effects on bearing performance. Lubrication should be performed with clean tools and equipment to avoid introducing contaminants into the bearing.

  • Correct Handling and Storage:

Roller bearings should be handled and stored with care to prevent damage. They should be stored in clean, dry, and vibration-free environments to avoid contamination and the potential for rust or corrosion. When handling, gloves should be worn to prevent the transfer of oils and moisture from the skin to the bearing surfaces. Bearings should be kept in their original packaging until the time of installation to protect them from dust, dirt, and other contaminants.

  • Proper Mounting and Alignment:

During installation, it is crucial to ensure proper mounting and alignment of roller bearings. The following considerations should be taken into account:

  • Fitting and Clearance: Roller bearings should be properly fitted onto the shaft or in the housing to achieve the specified clearance or preload. Excessive interference or insufficient clearance can lead to increased friction, premature wear, and reduced performance.
  • Mounting Tools: The appropriate tools and equipment should be used for mounting roller bearings to avoid damaging the bearing components. Specialized mounting tools, such as induction heaters or hydraulic presses, may be required for certain applications to ensure accurate and controlled installation.
  • Alignment: Roller bearings should be aligned properly to ensure that the load is distributed evenly across the bearing surfaces. Misalignment can result in increased stress, vibration, and premature failure. Alignment techniques, such as using dial indicators or laser alignment tools, should be employed to achieve the desired alignment.
  • Regular Inspection and Monitoring:

Once roller bearings are installed, regular inspection and monitoring should be carried out to identify any signs of wear, damage, or abnormal operating conditions. This includes checking for unusual noise, excessive heat, vibration, or leakage. Regular maintenance intervals should be established to perform necessary cleaning, lubrication, and re-greasing. Monitoring techniques, such as vibration analysis or temperature measurement, can be employed to detect early signs of bearing deterioration and schedule maintenance activities proactively.

In summary, maintenance and installation considerations play a vital role in ensuring the optimal performance and lifespan of roller bearings. Proper inspection, cleaning, lubrication, handling, storage, mounting, alignment, and regular monitoring are key factors in maintaining the reliability and efficiency of roller bearings. Adhering to recommended maintenance practices and following proper installation procedures contribute to minimizing downtime, preventing premature failure, and maximizing the operational effectiveness of roller bearings in various industrial applications.

roller bearing

How do roller bearings compare to other types of bearings, like ball bearings?

Roller bearings and ball bearings are two common types of bearings used in various applications. While both types serve the same purpose of facilitating smooth and efficient rotational motion, there are distinct differences between them. Here’s a detailed comparison of roller bearings and ball bearings:

  • Design and Construction:

Ball bearings have rolling elements in the shape of spheres (balls) sandwiched between an inner and outer raceway. The rolling elements make point contact with the raceways, distributing the load evenly. Roller bearings, on the other hand, have cylindrical or tapered rolling elements (rollers) that make line contact with the raceways. The line contact allows roller bearings to distribute higher loads over a larger surface area compared to ball bearings. Roller bearings can handle radial, axial, and combined loads more effectively, making them suitable for applications with heavy loads or high thrust forces.

  • Load Capacity:

Due to their design and larger contact area, roller bearings have a higher load-carrying capacity than ball bearings. The line contact of roller bearings allows them to distribute the load more evenly, reducing localized stresses. This makes roller bearings well-suited for applications that involve significant radial or axial loads, such as conveyor systems, heavy machinery, or automotive wheel bearings. Ball bearings, while having lower load capacity compared to roller bearings, are typically used in applications with lighter loads or high-speed requirements, such as electric motors, fans, and small machinery.

  • Friction and Speed:

Ball bearings generally have lower friction compared to roller bearings due to the point contact between the rolling elements and raceways. The lower friction results in reduced energy consumption and heat generation, making ball bearings more suitable for high-speed applications. Roller bearings, with their line contact, have slightly higher friction but offer better load distribution. However, advancements in bearing technology have led to the development of low-friction roller bearings, such as tapered roller bearings with optimized designs, for improved efficiency and reduced friction at high speeds.

  • Alignment and Misalignment:

Ball bearings are more forgiving when it comes to misalignment between the shaft and the housing. Their point contact allows for some angular misalignment without significantly affecting performance. Roller bearings, particularly spherical roller bearings, can also accommodate misalignment but to a lesser extent compared to ball bearings. Cylindrical roller bearings, on the other hand, are less forgiving and require precise alignment for optimal performance. Proper alignment is crucial for both types of bearings to ensure even load distribution and prevent premature wear or failure.

  • Application Specificity:

The choice between roller bearings and ball bearings depends on the specific application requirements. Roller bearings excel in heavy-duty applications where high load capacity and durability are essential. They are commonly used in industries such as mining, construction, and heavy machinery. Ball bearings, with their lower friction and suitability for high-speed operation, are preferred in applications that prioritize speed, precision, and efficiency, such as electric motors, machine tools, and automotive components.

In conclusion, roller bearings and ball bearings have distinct characteristics and are suitable for different types of applications. Roller bearings offer higher load capacity and better load distribution, making them ideal for heavy-duty applications. Ball bearings, with their lower friction and ability to accommodate misalignment, are well-suited for high-speed and precision applications. The choice between roller bearings and ball bearings depends on factors such as load requirements, speed, application specificity, and alignment considerations.

China Custom CNC Block Track Roller Linear Guide Needle Rail Tapered Motion Slide Ball Wheel Bearing   bearing bronzeChina Custom CNC Block Track Roller Linear Guide Needle Rail Tapered Motion Slide Ball Wheel Bearing   bearing bronze
editor by CX 2024-05-07

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