KF300AR0
3/4" 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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KF300AR0 Bearing Product Overview & Core Advantages
The KF300AR0 is a high-precision thin section angular contact ball bearing designed for applications requiring exceptional rigidity and accurate rotational performance. Engineered with a single row construction and a 30° contact angle, it efficiently handles combined radial and axial loads simultaneously. Manufactured to ABEC-1 tolerance standards, this bearing ensures reliable operation in compact spaces while offering high dynamic load capacity. Its open design allows for custom lubrication schemes, making it ideal for precision machinery where space and weight are critical constraints.
KF300AR0 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| KF300 | Base model designation for thin section angular contact bearing series |
| A | 30° contact angle design for optimal axial load capacity |
| R0 | Standard radial internal clearance designation |
KF300AR0 Bearing Structural Features & Performance Benefits
High Rigidity & Load Capacity: The single row design with 30° contact angle provides superior stiffness and can withstand significant combined loads, including substantial axial forces in one direction. With a radial dynamic load rating of 10,533 lbf and axial static load rating of 29,430 lbf, it delivers reliable performance under demanding conditions.
Precision Engineering: Manufactured from chrome steel for both rings and balls, and featuring a brass cage, the bearing maintains dimensional stability and smooth operation. The ABEC-1 tolerance class ensures consistent performance in precision applications.
Optimized Design: The thin section construction (0.75" width) with precise bearing dimensions (30" bore, 31.5" OD) enables space-saving integration while maintaining high load capacity. The controlled radial internal clearance (0.0000 – 0.0005") ensures optimal preload conditions for enhanced system rigidity.
KF300AR0 Bearing Typical Application Areas
This precision bearing is ideally suited for:
- Robotics and automation systems requiring compact, high-rigidity solutions
- Aerospace components and aircraft control systems
- Medical equipment such as CT scanners and surgical robots
- Semiconductor manufacturing equipment demanding precise motion control
- Optical positioning systems and precision instrumentation
- Industrial machinery with space-constrained, high-precision requirements
