KB120XP0
5/16" 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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KB120XP0 Bearing Product Overview & Core Advantages
The KB120XP0 is a premium thin section four-point contact ball bearing designed for applications requiring exceptional precision and space optimization. Engineered with inch system measurements, this single row bearing delivers outstanding performance in compact envelopes. Its four-point contact design enables it to simultaneously handle combined loads including radial, axial, and moment loads with high efficiency. The ABEC-1 precision class ensures reliable operation in demanding applications where accuracy and repeatability are critical.
KB120XP0 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Performance Benefit |
| KB120 | Bore diameter: 12 inches | Large bore capacity in compact design |
| XP0 | Extra Precision configuration | Enhanced running accuracy and smooth operation |
| Open | No seals - open construction | Allows for custom lubrication schemes |
KB120XP0 Bearing Structural Features & Performance Benefits
Four-Point Contact Design: The unique raceway geometry enables the bearing to support combined radial and axial loads simultaneously, along with significant moment loads. This eliminates the need for multiple bearing arrangements, simplifying system design.
Thin Section Construction: With a cross-section of only 0.3125" and large 12" bore diameter, this bearing provides maximum space utilization while maintaining structural integrity and high rigidity.
Premium Material Selection: Constructed with chrome steel rings and balls combined with a brass cage, the bearing delivers excellent durability, corrosion resistance, and stable operation across the temperature range of -30°C to 110°C.
Precision Engineering: The ABEC-1 tolerance class and tight dimensional controls ensure consistent performance, reduced vibration, and extended service life in precision applications.
KB120XP0 Bearing Typical Application Areas
- Robotics and Automation: Robot joints, rotary actuators, and precision positioning systems
- Aerospace Systems: Aircraft control mechanisms, satellite positioning systems
- Medical Equipment: CT scanners, MRI machines, and surgical robotics
- Semiconductor Manufacturing: Wafer handling equipment, precision stages
- Industrial Machinery: Rotary tables, indexing heads, and precision gearboxes
