KG045AR0
1" 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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KG045AR0 Bearing Product Overview & Core Advantages
The KG045AR0 is a high-performance thin section angular contact ball bearing designed for applications demanding precision and space optimization. Manufactured to ABEC-1 precision standards, this inch-series bearing features a 30° contact angle, enabling it to efficiently support combined radial and axial loads simultaneously. Its Reali-Slim Open construction provides a superior stiffness-to-cross-section ratio, making it ideal for compact, weight-sensitive designs requiring high rotational accuracy and reliability in industrial automation and robotics.
KG045AR0 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| KG045 | Bore diameter designation (4.5 inches) |
| A | Angular Contact design with 30° contact angle |
| R | Reali-Slim thin section construction |
| 0 | Open design (no seals/shields) |
KG045AR0 Bearing Structural Features & Performance Benefits
Optimized Thin Section Design: The single row angular contact configuration with brass cage provides stable operation while maintaining minimal cross-section dimensions (1" width), crucial for space-constrained applications.
High Load Capacity: Engineered with chrome steel rings and balls, this bearing delivers exceptional radial dynamic load rating of 6,562 lbf and axial static load rating of 14,530 lbf, ensuring reliable performance under significant combined loading conditions.
Precision Performance: The ABEC-1 tolerance class and controlled radial internal clearance (0.0000 – 0.0005") guarantee consistent running accuracy and minimal vibration, essential for precision positioning systems.
Thermal Stability: Operating temperature range of -30°C to 110°C accommodates various industrial environments while maintaining dimensional stability and performance characteristics.
KG045AR0 Bearing Typical Application Areas
- Robotics and Automation: Robot arm joints, rotary actuators, and precision positioning systems
- Aerospace and Defense: Guidance systems, radar platforms, and aircraft control mechanisms
- Medical Equipment: CT scanners, surgical robots, and diagnostic imaging devices
- Semiconductor Manufacturing: Wafer handling equipment, precision stages, and inspection machinery
- Industrial Machinery: Rotary tables, indexing heads, and precision spindles requiring thin section bearings
