KB045XP0
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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KB045XP0 Bearing Product Overview & Core Advantages
The KB045XP0 is a high-performance thin-section four-point contact ball bearing designed for applications demanding maximum load capacity in a minimal cross-section. Engineered with inch system measurements, this single-row bearing excels in handling complex combined loads, including significant radial, axial, and moment loads simultaneously. Its Reali-Slim Open construction provides a compact and lightweight solution without compromising strength, making it ideal for precision machinery and space-constrained applications requiring high rigidity and reliability.
KB045XP0 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Advantage |
|---|---|---|
| KB | Kaydon® Reali-Slim® Bearing Series | Industry-leading thin-section bearing platform |
| 045 | Bore Diameter (4.5 inches) | Standard inch sizing for compatibility |
| X | Extra Light Cross Section | Maximum space and weight savings |
| P | Four-Point Contact Design | Superior moment load capacity |
| 0 | Open Construction | Allows for custom sealing/lubrication solutions |
KB045XP0 Bearing Structural Features & Performance Benefits
Four-Point Contact Geometry: The optimized raceway design enables the bearing to support substantial radial loads (1165 lbf dynamic), axial loads (1850 lbf dynamic), and moment loads (2103 lbf dynamic) through a single bearing row, eliminating the need for multiple bearing arrangements.
High Rigidity & Precision: Manufactured to ABEC-1 tolerance class with tight dimensional controls (bore/OD tolerance: -0.0008" to 0"), ensuring precise rotational accuracy and system stability under load.
Premium Material Construction: Utilizing chrome steel for both rings and balls, combined with a brass cage, provides excellent durability, wear resistance, and smooth operation across the specified temperature range (-30°C to 110°C).
Optimized Thin-Section Design: With a minimal cross-section (0.3125" width) relative to its bore diameter, this bearing delivers significant weight reduction (0.33 lbs) while maintaining high load capacity, crucial for aerospace and robotics applications.
KB045XP0 Bearing Typical Application Areas
- Robotics & Automation: Robot joints, rotary actuators, and precision positioning stages
- Aerospace & Defense: Radar systems, gimbal mechanisms, and satellite positioning systems
- Medical Equipment: CT scanners, MRI systems, and surgical robot arms
- Semiconductor Manufacturing: Wafer handling robots, precision stages, and inspection equipment
- Industrial Machinery: Rotary tables, indexing heads, and precision gearboxes
