RMS 7
RMS Series Single Row Deep Groove Ball Bearings
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Basic Information
Main Dimensions
Performance
Materials
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RMS 7 Bearing Product Overview & Core Advantages
The RMS 7 is a precision single row deep groove ball bearing manufactured to inch dimensions, delivering exceptional performance in demanding industrial applications. Engineered with P6 tolerance class and CN radial internal clearance, this bearing provides high running accuracy and reliable operation. Its open design and chrome steel construction make it ideal for applications requiring high-speed capability, with a limiting speed of 18,000 rpm. The RMS 7 excels in handling radial loads with a dynamic load rating of 4181 lbf, making it a robust solution for various mechanical systems.
RMS 7 Bearing Model Code Explained, Specifications & Naming Convention
| Code | Technical Meaning |
|---|---|
| RMS 7 | Standard inch series single row deep groove ball bearing |
| Open | No seals or shields, allowing for maximum speed capability and easy relubrication |
| P6 | Enhanced tolerance class for improved running accuracy |
| CN | Normal radial internal clearance for general operating conditions |
RMS 7 Bearing Structural Features & Performance Benefits
High-Precision Construction: Manufactured to P6 tolerance standards with tight dimensional control on bore diameter (0.875" ±0.00019") and outside diameter (2.25" -0.00098"/-0.00051"), ensuring exceptional running accuracy and minimal vibration.
Optimized Material Selection: Features chrome steel rings and balls combined with a stainless steel cage, providing excellent wear resistance and corrosion protection for extended service life.
High-Speed Capability: The open design and precision manufacturing enable operation at limiting speeds up to 18,000 rpm, making it suitable for high-speed applications.
Robust Load Capacity: With a radial dynamic load rating of 4181 lbf and static load rating of 2091 lbf, this bearing delivers reliable performance under significant radial loads.
Wide Temperature Range: Operates effectively in temperatures from -30°C to 120°C, accommodating various industrial environments.
RMS 7 Bearing Typical Application Areas
The RMS 7 precision ball bearing finds extensive use in:
- Electric Motors and Generators - High-speed rotor support
- Industrial Pumps and Compressors - Shaft support in fluid handling equipment
- Machine Tool Spindles - Precision rotating components
- Material Handling Equipment - Conveyor system rollers and pulleys
- Agricultural Machinery - Implement drives and PTO shafts
- Automotive Components - Auxiliary systems and accessories
