KG065AR0
1" 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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KG065AR0 Bearing Product Overview & Core Advantages
The KG065AR0 is a thin-section angular contact ball bearing engineered for applications requiring high precision and space optimization. As part of the Reali-Slim Open Bearings series with inch measurements, it delivers exceptional performance in compact envelopes. Its single-row design with a 30° contact angle is optimized to handle significant combined loads, including radial loads and substantial thrust loads in one direction. Manufactured to ABEC-1 precision tolerances, this bearing ensures reliable operation in high-accuracy systems while maintaining minimal cross-section dimensions relative to its bore diameter.
KG065AR0 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| KG | Manufacturer series designation for thin-section bearings |
| 065 | Bore diameter: 6.5 inches |
| A | Angular contact design with 30° contact angle |
| R | Reali-Slim thin section construction |
| 0 | Open design (no seals or shields) |
KG065AR0 Bearing Structural Features & Performance Benefits
Thin-Section Design: With only 1" width and minimal cross-section, this bearing enables space-saving solutions in weight-critical applications while maintaining large bore capacity.
High Load Capacity: The 30° contact angle and optimized raceway geometry provide exceptional axial static load rating of 17,870 lbf and radial dynamic load rating of 7,761 lbf, making it suitable for demanding combined loading conditions.
Precision Engineering: Manufactured to ABEC-1 tolerance class with tight dimensional control (bore/OD tolerance: -0.0010" to 0") ensures smooth operation and precise positioning in high-accuracy systems.
Premium Materials: Constructed with chrome steel rings and balls combined with a brass cage for superior strength, durability, and reliable performance under various operating conditions.
Optimized Internal Clearance: The controlled radial internal clearance (0.0000" - 0.0005") ensures proper preload conditions and thermal stability during operation.
KG065AR0 Bearing Typical Application Areas
The KG065AR0 thin-section angular contact ball bearing is ideally suited for:
- Robotics and automation systems requiring compact, high-precision rotary joints
- Aerospace and defense equipment where weight savings and reliability are critical
- Medical imaging devices and precision medical equipment
- Semiconductor manufacturing equipment demanding high accuracy and minimal deflection
- Industrial rotary tables and precision positioning systems
- Radar and satellite communication systems with large diameter requirements
