KG140AR0
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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KG140AR0 Bearing Product Overview & Core Advantages
The KG140AR0 is a thin-section angular contact ball bearing designed for applications requiring high precision and space optimization. As part of the Reali-Slim Open Bearings series with an inch system of measurement, it excels in handling combined loads through its optimized 30° contact angle. This single-row construction delivers exceptional static load capacity and rotational accuracy, making it ideal for compact, high-performance machinery where weight and space are critical constraints.
KG140AR0 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| KG140 | Bearing series designation for thin-section angular contact bearings |
| A | Angular contact design with 30° contact angle |
| R0 | Standard radial internal clearance designation |
KG140AR0 Bearing Structural Features & Performance Benefits
Optimized Thin-Section Design: With a cross-section of only 1" width between 14" bore and 16" outside diameter, this bearing provides maximum space savings while maintaining structural integrity.
High Load Capacity: The 30° contact angle enables superior handling of combined radial and axial loads, with exceptional static load ratings (28,430 lbf radial, 28,360 lbf axial) and static load moment capacity of 82,080 lbf.
Precision Performance: Manufactured to ABEC-1 tolerance class with tight dimensional tolerances (±0.0014") and minimal radial internal clearance (0.0000-0.0005") for precise positioning applications.
Premium Material Construction: Features chrome steel rings and balls with brass cage for durability, corrosion resistance, and stable operation across a wide temperature range (-30°C to 110°C).
KG140AR0 Bearing Typical Application Areas
- Robotics and automation systems requiring compact, high-precision rotary joints
- Aerospace components including gimbal mechanisms and control surfaces
- Medical equipment such as CT scanners and surgical robotics
- Semiconductor manufacturing equipment for precise positioning stages
- Industrial machinery with space-constrained rotary applications
