SB045XP0
5/16" Stainless Steel 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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SB045XP0 Bearing Product Overview & Core Advantages
The SB045XP0 is a Four Point Contact Ball Bearing from the Reali-Slim Stainless Steel Bearings series, designed for applications requiring ultra-thin cross-sections without compromising performance. This single row bearing is engineered to simultaneously handle combined radial and axial loads from any direction, making it exceptionally versatile. Its stainless steel construction provides excellent corrosion resistance, while the ABEC-1 precision class ensures reliable operation in demanding, compact assemblies where space and weight are critical constraints.
SB045XP0 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| SB | Reali-Slim Stainless Steel Bearing Series |
| 045 | Bore Diameter: 4.5 inches |
| XP | Extra Precision (ABEC-1 Tolerance Class) |
| 0 | Open (Unsealed) Construction |
SB045XP0 Bearing Structural Features & Performance Benefits
Four Point Contact Design: The unique raceway geometry allows the bearing to support combined loads (radial, axial, and moment loads) efficiently in a single, compact unit, reducing the need for multiple bearing arrangements.
Thin Section Construction: With a consistent cross-section of 0.3125" across all sizes, this bearing enables lightweight and space-saving designs, crucial for robotics, aerospace, and medical equipment.
Stainless Steel Material: Both rings and balls are manufactured from stainless steel, offering superior corrosion resistance and suitability for harsh environments, including cleanrooms and food processing.
High Load Capacity: Despite its slim profile, it delivers a radial dynamic load rating of 1165 lbf and an axial dynamic load rating of 1850 lbf, ensuring durability under significant stress.
Precision Performance: The ABEC-1 tolerance class and tight radial internal clearance (0.0000 – 0.0005") contribute to smooth, precise rotation with minimal runout.
SB045XP0 Bearing Typical Application Areas
- Robotics: Rotary joints, actuator arms, and manipulators requiring high precision and compact dimensions.
- Aerospace & Defense: Guidance systems, gimbal mechanisms, and control surfaces where weight savings are critical.
- Medical Equipment: MRI scanners, surgical robots, and diagnostic devices demanding corrosion resistance and reliability.
- Optical & Instrumentation: Precision rotary stages, mirror mounts, and measuring instruments.
- Food & Beverage Machinery: Conveyor rollers and processing equipment in wash-down environments.
