KF400XP0
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
KF400XP0 Bearing Product Overview & Core Advantages
The KF400XP0 is a Four Point Contact Ball Bearing from the Reali-Slim Open Bearings series, engineered for applications demanding high load capacity in a compact, thin-section design. This inch-series bearing is characterized by its ability to simultaneously support combined radial and axial loads from any direction, making it an ideal solution for space-constrained, high-performance machinery. Manufactured to ABEC-1 precision tolerances, it delivers reliable performance in applications requiring smooth operation and precise motion control.
KF400XP0 Bearing Model Code Explained, Specifications & Naming Convention
| Model Segment | Technical Meaning |
|---|---|
| KF | Series designation for Kaydon® Reali-Slim bearings |
| 400 | Bore diameter code (40") |
| XP | Cross section code (0.75" width) |
| 0 | Open design (no seals or shields) |
KF400XP0 Bearing Structural Features & Performance Benefits
The KF400XP0's Four Point Contact design is its defining structural feature, enabling the bearing to handle combined moment loads efficiently. The optimized raceway geometry allows a single bearing to replace more complex bearing arrangements, providing superior moment load capacity with a Static Load Moment of 937,100 lbf and Dynamic Load Moment of 229,832 lbf. The brass cage ensures stable ball guidance and smooth operation across the entire temperature range of -30°C to 110°C. With chrome steel rings and balls, this bearing offers excellent durability and wear resistance, while the precise radial internal clearance of 0.0000 – 0.0005" contributes to consistent performance and minimal vibration.
KF400XP0 Bearing Typical Application Areas
The KF400XP0 finds extensive use in applications where space optimization and high moment load capacity are critical. Typical applications include: robotic joints and actuators, aerospace control systems, medical imaging equipment, semiconductor manufacturing machinery, precision rotary tables, and industrial automation systems. Its thin-section design makes it particularly suitable for applications where weight reduction and compact envelope dimensions are essential performance criteria.
