Bearings
Ball Bearings
Imperial Ball Bearings
Quick Code: BB-114187
RMS20 SKF Imperial Open Ball Bearing 63.5mm x 139.7mm x 31.75mm


The RMS20 SKF Imperial Open Ball Bearing is a robust, high-performance bearing designed for industrial and mechanical applications requiring precise imperial measurements. As an open-type bearing, it offers unique advantages for machinery that demands optimal lubrication and maintenance flexibility.
Key Features:
- Single row deep groove ball bearing design
- Open configuration allowing unrestricted grease circulation
- Standard clearance for consistent performance
- Imperial sizing (made in inches) ideal for British and American machinery
Technical Specifications:
- Inside Diameter: 63.5mm (2.1/2 inch)
- Outside Diameter: 139.7mm (5.1/2 inch)
- Width: 31.75mm (1.1/4 inch)
- Dynamic Load Rating: 96,500N
- Static Load Rating: 60,000N
- Maximum RPM (Grease Lubrication): 5,300
- Maximum RPM (Oil Lubrication): 7,100
Typical Applications:
- Heavy industrial machinery
- Agricultural equipment
- Construction machinery
- Material handling systems
- Automotive and transportation equipment
- Precision mechanical engineering
The open design provides significant maintenance advantages, allowing easy lubrication and free grease circulation. This makes the bearing particularly suitable for environments requiring frequent regreasing and rigorous performance monitoring. Its precise imperial measurements ensure seamless compatibility with traditional British and American machinery.
Note: Recommended for professional installation and use in appropriate mechanical environments. Regular maintenance and proper lubrication are essential to ensure optimal performance and longevity.