KF180AR0
3/4" 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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KF180AR0 Bearing Product Overview & Core Advantages
The KF180AR0 is a high-precision thin section angular contact ball bearing designed for applications demanding exceptional rigidity and precise motion control. Engineered with a 30° contact angle and single row construction, this bearing excels at supporting combined loads, including significant axial thrust in one direction. Its inch-series dimensions (18" bore, 19.5" OD) and compact cross-section (0.75" width) make it an ideal solution for space-constrained, high-performance machinery. Manufactured to ABEC-1 precision tolerances, it ensures reliable operation and long service life in demanding industrial environments.
KF180AR0 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| KF | Kaydon® Reali-Slim® thin section bearing series |
| 180 | Bore diameter: 18 inches |
| A | Angular contact design with 30° contact angle |
| R | Radial internal clearance specification |
| 0 | Open (unsealed) construction |
KF180AR0 Bearing Structural Features & Performance Benefits
This bearing's performance is defined by its specialized construction. The angular contact geometry and 30° contact angle are optimized to handle substantial axial static loads (21,210 lbf) while simultaneously supporting high radial dynamic loads (8,103 lbf). The brass cage ensures stable ball guidance and is suitable for high-speed applications. Manufactured from chrome steel for both rings and balls, it delivers high durability and wear resistance. The ABEC-1 precision rating guarantees consistent running accuracy, while the tight radial internal clearance (0.0000 – 0.0005") minimizes vibration and noise. The open design allows for custom lubrication schemes to optimize performance for specific operating conditions within its temperature range of -30°C to 110°C.
KF180AR0 Bearing Typical Application Areas
- Robotics and automation systems (rotary joints, robotic arms)
- Aerospace components (radar bases, gimbal systems)
- Medical equipment (CT scanners, MRI machines)
- Semiconductor manufacturing equipment (wafer handling robots)
- Precision rotary tables and indexing systems
- Industrial machinery requiring large bore, compact cross-section bearings
