KB140BR0M
5/16" Constant Section Bearings
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Basic Information
Main Dimensions
Inner Ring Dimensions
Outer Ring Dimensions
Performance
Materials
Environment & Compliance
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KB140BR0M Bearing Product Overview & Core Advantages
The KB140BR0M is a high-precision thin section angular contact ball bearing engineered for applications demanding exceptional rigidity and precise motion control. This single row bearing features a 30° contact angle, optimized to support combined radial and axial loads simultaneously. Manufactured to ABEC-1 precision tolerances, it delivers reliable performance in compact spaces with its slim 0.3125" width profile, making it an ideal solution for high-accuracy rotary systems.
KB140BR0M Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| KB140 | Bearing series designation for thin section angular contact bearings |
| B | Contact angle of 30° |
| R0 | Radial internal clearance specification (0.0000 – 0.0005") |
| M | Brass cage material for enhanced stability |
KB140BR0M Bearing Structural Features & Performance Benefits
High Rigidity & Load Capacity: The 30° contact angle and single row construction provide excellent stiffness, capable of handling combined loads with a radial dynamic load rating of 1767 lbf and axial static load rating of 4670 lbf.
Precision Engineering: Manufactured to ABEC-1 tolerance class with tight dimensional control (bore diameter: 14", outside diameter: 14.625"), ensuring smooth operation and minimal runout in precision applications.
Optimized Material Selection: Constructed from chrome steel rings and chrome steel balls with a brass cage for superior durability and consistent performance across the operating temperature range of -30°C to 110°C.
Space-Saving Design: As part of the Reali-Slim Open Bearings family, it offers a compact solution with a minimal cross-section while maintaining high load capacity.
KB140BR0M Bearing Typical Application Areas
- Robotics and automation systems requiring precise angular positioning
- Aerospace control mechanisms and gimbal systems
- Medical equipment including CT scanners and surgical robots
- Semiconductor manufacturing equipment for precise motion control
- Optical positioning systems and rotary tables
- Radar and satellite communication systems
