KD300AR0
1/2" 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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KD300AR0 Bearing Product Overview & Core Advantages
The KD300AR0 is a high-precision thin section angular contact ball bearing designed for applications requiring exceptional rigidity and accuracy within compact spaces. Engineered to simultaneously handle combined radial and axial loads, this bearing features a 30° contact angle optimized for high moment load capacity. Its ABEC-1 precision class and inch-system dimensions make it ideal for high-reliability applications where space constraints and precise motion control are critical.
KD300AR0 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Performance Benefit |
|---|---|---|
| KD300 | Basic bearing designation with 30" bore diameter | Standardized inch dimension system |
| A | Angular contact design | Optimized for combined loading conditions |
| R0 | Open construction without seals | Maximum speed capability and custom lubrication flexibility |
KD300AR0 Bearing Structural Features & Performance Benefits
Thin Section Design: With only 0.5" width and minimal cross-section, this bearing enables compact bearing arrangements while maintaining high load capacity.
High Rigidity Construction: The single row angular contact design with 30° contact angle provides exceptional moment load capacity (69,540 lbf static load moment) and axial stiffness.
Premium Materials: Chrome steel rings and balls combined with brass cage ensure long service life and reliable performance under demanding conditions.
Precision Engineering: ABEC-1 tolerance class and tight dimensional controls guarantee consistent performance in precision applications.
Optimized Load Distribution: The 30° contact angle efficiently distributes combined loads, supporting radial loads up to 5,397 lbf dynamic and handling significant axial static loads of 15,260 lbf.
KD300AR0 Bearing Typical Application Areas
- Robotics and automation systems requiring precise motion control
- Aerospace positioning mechanisms where weight and space are critical
- Medical equipment such as CT scanners and surgical robots
- Semiconductor manufacturing equipment demanding high precision
- Industrial rotary tables and indexing mechanisms
- Radar and satellite communication systems with precise positioning requirements
