K18008AR0
8mm 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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K18008AR0 Bearing Product Overview & Core Advantages
The K18008AR0 is a metric thin-section angular contact ball bearing designed for applications demanding high precision and space optimization. As part of the Reali-Slim mm Metric series, it features a single-row design with a 30° contact angle, enabling it to support significant combined loads—handling both radial and axial loads simultaneously. Its compact cross-section, with a width of only 8 mm, makes it ideal for high-rigidity applications where space is at a premium. Manufactured to ABEC-1 precision standards, this bearing ensures reliable performance in precision mechanisms.
K18008AR0 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| K | Indicates a metric series thin-section bearing. |
| 18008 | Specifies the bore diameter (180 mm) and cross-section series. |
| A | Denotes a 30° contact angle, optimized for combined load capacity. |
| R0 | Specifies a standard radial internal clearance. |
K18008AR0 Bearing Structural Features & Performance Benefits
The K18008AR0 is engineered with specific structural features that deliver distinct performance advantages:
- High Rigidity & Load Capacity: The single-row angular contact design with a 30° contact angle provides excellent resistance to combined loads, supporting a radial dynamic load of 1636 lbf and an axial static load of 4003 lbf.
- Precision Performance: Manufactured to ABEC-1 tolerance class with a tight radial internal clearance of 0.0000 – 0.0005 inches, ensuring smooth operation and high rotational accuracy.
- Durable Construction: Features rings and balls made from Chrome Steel for high wear resistance, and a Brass cage for superior stability and guidance at moderate speeds.
- Wide Temperature Range: Operates effectively within a temperature range of -30°C to 110°C, suitable for various industrial environments.
K18008AR0 Bearing Typical Application Areas
The K18008AR0 is ideally suited for compact, high-precision applications across multiple industries, including:
- Robotics: Joint and actuator assemblies requiring high rigidity and precise movement.
- Aerospace: Control mechanisms, gyroscopes, and instrumentation where space and weight are critical.
- Medical Equipment: Scanning, imaging, and surgical devices demanding smooth, precise rotation.
- Semiconductor Manufacturing: Precision stages and handling equipment.
