China Professional W2 W2X for Sliding Guide Rail Bearing RM2 Zz RM2 2RS V Groove Bearing wheel bearing

Product Description

W2 W2X for sliding CZPT rail bearing RM2 RM2 2RS V groove bearing


W series RM series V groove bearing size:


      A1 A2 Chamfer r/min   Weight
Bore O.D. Width mm Load
mm mm mm    
  D1 D B A1 A2 R/min Cw(KN) Cow(KN) Kg
W1 4.763 19.56 7.87 7.9. 11.86 0.3 2.2 1 11
W1X 4.763 19.56 7.87 7.93 11.86 0.3 2.2 1 11
W2 9.525 30.73 11.1 12.7 18.24 0.3 4.9 2.5 38
W2X 9.525 30.73 11.1 12.7 18.24 0.3 4.9 2.5 38
W3 12 45.72 15.88 19.05 26.98 0.6 9.4 4.9 130
W3X 12 45.72 15.88 19.05 26.98 0.6 9.4 4.9 130
W4 15 59.94 19.05 25.4 34.93 1 14.8 8.2 280
W4X 15 59.94 19.05 25.4 34.93 1 14.8 8.2 280
RM1ZZ 4.763 19.56 7.87 7.9. 11.86 0.3 2.2 1 11
RM1 2RS 4.763 19.56 7.87 7.93 11.86 0.3 2.2 1 11
RM2ZZ 9.525 30.73 11.1 12.7 18.24 0.3 4.9 2.5 38
RM2 2RS 9.525 30.73 11.1 12.7 18.24 0.3 4.9 2.5 38
RM3ZZ 12 45.72 15.88 19.05 26.98 0.6 9.4 4.9 130
RM3 2RS 12 45.72 15.88 19.05 26.98 0.6 9.4 4.9 130
RM4ZZ 15 59.94 19.05 25.4 34.93 1 14.8 8.2 280
RM4 2RS 15 59.94 19.05 25.4 34.93 1 14.8 8.2 280

1. Cheap and high quality bearing
2. OEM service offered
3. Low noise, long life
4. Ease of assembly
5. Stock available

Packaging & Delivery
A. According to customer’s requirements.
B.The outer is color polybag + box + carton, industrial standard packaging.
Delivery Detail: 1-3 working days after order confirmed. (depend on the amount)

Our company are specialized in manufacturing various types of bearings and we also accept OEM service with CZPT CZPT CZPT NTN NMB etc brand.
We can produce the bearings accordingly to the customers’ Samples or Drawings.

Any need,please kindly contact us
Ivy wang

For mounting wherever axial and radial loads are expected
For most parts for torque transmission
Home appliances, electric motors, automotive component

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Rolling Body: Roller Bearings
The Number of Rows: Double
Outer Dimension: 10-60mm
Material: Bearing Steel
Spherical: Non-Aligning Bearings
Load Direction: Radial Bearing
US$ 0.1/Piece
1 Piece(Min.Order)

Request Sample



Customized Request

sliding bearing

Considerations for Selecting Appropriate Sliding Bearings

Choosing the right type and size of sliding bearing is crucial for ensuring optimal performance and longevity in various applications. Here are key considerations to keep in mind:

Load and Application: Determine the specific load and application requirements. Different sliding bearings are designed to handle varying loads, speeds, and operating conditions. Consider whether the bearing will experience radial, axial, or combined loads, as well as the expected range of motion.

Material Compatibility: Select materials that are compatible with the operating environment. Consider factors such as corrosion resistance, temperature tolerance, and exposure to chemicals or contaminants. Common bearing materials include bronze, steel, and self-lubricating polymers.

Lubrication: Proper lubrication is essential for reducing friction and wear in sliding bearings. Choose a lubrication method that suits the application, whether it’s grease, oil, or self-lubricating materials. Some sliding bearings are designed for maintenance-free operation.

Design and Configuration: Determine the appropriate bearing design, such as bushings, thrust washers, or linear guides. Consider the bearing’s dimensions, including inner and outer diameter, length, and width. The bearing’s configuration should match the available space and mounting requirements.

Load Distribution: Ensure that the selected sliding bearing can evenly distribute the applied load across its surface. This helps prevent premature wear and ensures the bearing’s longevity. Consider the bearing’s load capacity and how it aligns with the actual load demands.

Friction and Wear: Evaluate the bearing’s coefficient of friction and wear characteristics. Lower friction and wear rates contribute to longer bearing life and improved efficiency. Consider whether the bearing requires initial running-in to reach optimal performance.

Maintenance and Service Life: Consider the maintenance requirements and expected service life of the sliding bearing. Some applications may benefit from bearings with extended maintenance intervals or self-lubricating properties, while others may prioritize easy replacement.

Cost-Efficiency: Balancing performance with cost is essential. While high-performance materials and features can enhance bearing performance, they may also increase the upfront cost. Choose a solution that aligns with your budget and long-term operational goals.

Environmental Conditions: Factor in the environmental conditions the bearing will operate in. For example, marine environments may require bearings with exceptional corrosion resistance, while high-temperature applications demand materials with thermal stability.

Supplier Expertise: Partner with reputable suppliers who offer technical expertise and a range of sliding bearing solutions. Suppliers with a strong track record can provide guidance in selecting the most suitable bearing for your specific application.

By carefully considering these factors, you can confidently choose the appropriate type and size of sliding bearing that meets your application’s requirements and ensures optimal performance and reliability.

sliding bearing

Signs of Wear or Damage in Sliding Bearings and Replacement Timing

Recognizing signs of wear or damage in sliding bearings is crucial for maintaining the performance and integrity of machinery and equipment. Here are the common signs to look for and the appropriate timing for replacement:

Increased Friction and Heat: If you notice higher levels of friction or heat around the bearing area, it could indicate that the bearing surfaces are experiencing excessive wear. Over time, this can lead to reduced efficiency and potentially cause further damage to the bearing and surrounding components.

Abnormal Noise: Unusual noises, such as grinding, squeaking, or knocking sounds, can indicate wear or damage within the sliding bearings. These noises are often caused by metal-to-metal contact or irregular movement of the bearing surfaces.

Uneven Wear Patterns: Inspect the bearing surfaces for uneven wear patterns, pitting, or scoring. These signs suggest that the bearing is not distributing the load properly, leading to localized damage and reduced performance.

Reduced Performance: If you notice a decline in the overall performance of the machinery or equipment, such as decreased output, slower operation, or reduced precision, it could be due to compromised sliding bearings.

Excessive Vibration: Excessive vibration can be a result of misaligned or damaged sliding bearings. Vibrations can affect the stability of the machinery and lead to premature wear of other components.

Visible Debris or Contamination: If you observe signs of debris, contaminants, or metal particles in the lubricant or around the bearing area, it could indicate wear or damage. Contaminants can accelerate wear and cause abrasive damage to the bearing surfaces.

Leakage of Lubricant: Sliding bearings often require proper lubrication to function effectively. If you notice a significant amount of lubricant leakage or seepage, it might be a sign that the bearing seals are compromised, which can lead to inadequate lubrication and accelerated wear.

Replacement Timing: It’s essential to replace sliding bearings as soon as signs of wear or damage are detected. Delaying replacement can lead to further deterioration, increased downtime, and potential damage to other components. Regular maintenance and inspections can help catch these issues early and prevent costly breakdowns.

Overall, monitoring the condition of sliding bearings through routine inspections and addressing signs of wear promptly can help ensure the longevity, efficiency, and reliability of machinery and equipment.

sliding bearing

Sliding Bearings and Their Applications

Sliding bearings, also known as plain bearings or journal bearings, are a type of bearing that operate on the principle of sliding friction between two surfaces. They are utilized in various applications where rotational or linear movement needs to be facilitated while minimizing friction and wear. Here are some common applications of sliding bearings:

  • Automotive Industry: Sliding bearings are widely used in engines and transmissions of vehicles to support rotating shafts and provide low-friction movement.
  • Industrial Machinery: They are employed in industrial equipment such as pumps, compressors, and turbines, where they help in reducing friction and ensuring smooth operation.
  • Aerospace: Sliding bearings are crucial components in aircraft engines, landing gear systems, and various aerospace mechanisms to provide reliable and low-wear motion.
  • Power Generation: In power plants, sliding bearings are found in turbines, generators, and other rotating equipment to facilitate movement with minimal energy loss.
  • Marine Applications: They are used in ship engines, propellers, and other marine equipment, providing durability in harsh marine environments.
  • Construction Equipment: Sliding bearings are used in construction machinery like cranes and excavators to support heavy loads and ensure smooth movement.
  • Heavy Industry: Various heavy industries, including mining and steel production, rely on sliding bearings for their robustness and ability to handle heavy loads.
  • Home Appliances: Sliding bearings are found in appliances like washing machines and refrigerators, facilitating the movement of rotating parts.
  • Medical Devices: Some medical devices use sliding bearings for their precision and low friction, ensuring accurate movement in equipment like medical scanners and robotic surgical systems.

Sliding bearings are chosen for applications where simplicity, cost-effectiveness, and reliable performance are essential. They come in different designs, such as plain cylindrical bearings, thrust bearings, and spherical bearings, to suit various motion requirements. Regular maintenance and proper lubrication are necessary to ensure the longevity and optimal performance of sliding bearings in their respective applications.

China Professional W2 W2X for Sliding Guide Rail Bearing RM2 Zz RM2 2RS V Groove Bearing   wheel bearingChina Professional W2 W2X for Sliding Guide Rail Bearing RM2 Zz RM2 2RS V Groove Bearing   wheel bearing
editor by CX 2024-02-07