KC250AR0
3/8" 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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KC250AR0 Bearing Product Overview & Core Advantages
The KC250AR0 is a thin-section angular contact ball bearing designed for applications requiring high precision and space optimization. As part of the Reali-Slim Open Bearings series with a 30° contact angle, it excels at handling combined radial and axial loads simultaneously. Its single-row construction and compact cross-section (0.375" width) make it ideal for lightweight, high-rigidity systems. Manufactured to ABEC-1 precision standards with chrome steel components, this bearing delivers reliable performance in demanding operational environments.
KC250AR0 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| KC | Kaydon® Reali-Slim bearing series |
| 250 | Bore diameter: 25.0 inches |
| A | Angular contact design |
| R | Radial internal clearance specification |
| 0 | Open design (no seals) |
KC250AR0 Bearing Structural Features & Performance Benefits
Thin-Section Design: With only 0.375" width and minimal cross-section, this bearing enables compact machinery design while maintaining structural integrity.
High Load Capacity: The 30° contact angle and optimized raceway geometry provide exceptional combined load handling with radial dynamic load rating of 3,233 lbf and axial static load rating of 9,010 lbf.
Precision Performance: Manufactured to ABEC-1 tolerance class with tight dimensional controls (bore/OD tolerance: -0.0018" to 0") ensures consistent performance in precision applications.
Enhanced Rigidity: Brass cage construction provides superior guidance and stability, while chrome steel rings and balls deliver high stiffness and durability.
Optimized Internal Clearance: Radial internal clearance of 0.0000-0.0005" allows for precise preload adjustment and optimal performance under operational conditions.
KC250AR0 Bearing Typical Application Areas
- Robotics and automation systems requiring compact, high-precision rotary joints
- Aerospace and defense equipment including radar platforms and gimbal systems
- Medical imaging devices such as CT scanners and MRI systems
- Semiconductor manufacturing equipment for precise positioning applications
- Industrial automation including rotary tables and indexing mechanisms
- Optical and instrumentation systems requiring high angular accuracy
