KD180AR0
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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KD180AR0 Bearing Product Overview & Core Advantages
The KD180AR0 is a precision thin-section angular contact ball bearing designed for applications requiring exceptional space efficiency and high performance. Manufactured to inch dimensions, this single-row bearing excels in handling combined radial and axial loads simultaneously, thanks to its defined 30° contact angle. Its ABEC-1 precision and optimized internal geometry ensure smooth operation and high positional accuracy, making it ideal for compact, high-reliability systems where weight and space are critical constraints.
KD180AR0 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| KD | Series designation for Reali-Slim® thin-section bearings |
| 180 | Bore diameter: 18 inches |
| A | Angular contact design with 30° contact angle |
| R | Radial internal clearance specification |
| 0 | Open design (no seals or shields) |
KD180AR0 Bearing Structural Features & Performance Benefits
Thin-Section Design: With a consistent 0.5" cross-section regardless of bore size, this bearing enables compact and lightweight machinery designs while maintaining structural integrity.
High Load Capacity: The angular contact geometry and 30° contact angle provide excellent capability for handling combined loads, including significant axial thrust in one direction. The brass cage ensures stable ball guidance under high-speed conditions.
Precision Performance: Manufactured to ABEC-1 tolerance class with tight dimensional control (bore and OD tolerance: -0.0016" to 0"), ensuring precise shaft positioning and smooth rotational characteristics.
Material Excellence: Constructed from chrome steel for both rings and balls, providing high hardness, wear resistance, and durability across the operating temperature range of -30°C to 110°C.
KD180AR0 Bearing Typical Application Areas
The KD180AR0 thin-section angular contact ball bearing is ideally suited for:
- Robotics and automation systems - where compact design and precise motion control are critical
- Aerospace components - including gimbal mechanisms and control surfaces requiring lightweight solutions
- Medical equipment - particularly in imaging systems and surgical robots demanding high precision
- Semiconductor manufacturing equipment - for wafer handling and positioning stages
- Radar and satellite communication systems - where large diameter, thin-section bearings are essential
