KF120BR0K
3/4" Constant Section Bearings
Image may differ from product. See technical specification for details.
Basic Information
Main Dimensions
Inner Ring Dimensions
Outer Ring Dimensions
Performance
Materials
Environment & Compliance
- Fast delivery
- Free shipping on orders over $200
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
KF120BR0K Bearing Product Overview & Core Advantages
The KF120BR0K is a high-performance **thin-section angular contact ball bearing** designed for applications requiring exceptional precision and load capacity. Engineered with a **30° contact angle**, this bearing excels at handling combined **radial and axial loads** simultaneously. Its **inch-dimension design** (12" bore, 13.5" OD) provides optimal space-saving solutions while maintaining **high rigidity** and rotational accuracy. Manufactured to **ABEC-1 precision** standards with chrome steel components and brass cage, it delivers reliable performance in demanding industrial environments.
KF120BR0K Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| KF | Kaydon Reali-Slim thin section bearing series |
| 120 | Cross-section size designation |
| BR | Angular contact configuration |
| 0K | Open construction without seals |
KF120BR0K Bearing Structural Features & Performance Benefits
Optimized Thin-Section Design: The bearing's compact cross-section (0.75" width) provides significant space and weight savings while maintaining high load capacity, making it ideal for applications with strict envelope constraints.
Superior Load Capacity: With a **radial dynamic load rating of 6487 lbf** and **axial static load rating of 16290 lbf**, this bearing effectively handles combined loading conditions. The **30° contact angle** ensures optimal distribution of both radial and axial forces.
Precision Engineering: Manufactured to **ABEC-1 tolerance class** with tight dimensional control (bore tolerance: -0.0014" to 0"), the bearing delivers consistent performance and smooth operation. The **brass cage** ensures stable ball guidance and reduced friction.
Material Excellence: Constructed from **chrome steel rings and balls**, the bearing offers excellent wear resistance and durability. The minimal **radial internal clearance** (0.0000 - 0.0005") provides precise rotational characteristics.
KF120BR0K Bearing Typical Application Areas
- Robotics and Automation: Robotic arms, rotary joints, and precision positioning systems requiring high moment capacity (static load moment: 49380 lbf)
- Aerospace Systems: Aircraft control mechanisms, radar positioning systems, and satellite tracking equipment
- Medical Equipment: CT scanners, MRI machines, and surgical robotics where precision and reliability are critical
- Industrial Machinery: Rotary tables, indexing heads, and precision gearboxes requiring thin-section bearings
- Defense Systems: Turret systems, targeting equipment, and military vehicle applications
