K30008AR0
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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K30008AR0 Bearing Product Overview & Core Advantages
The K30008AR0 is a metric thin-section angular contact ball bearing engineered for applications demanding high precision and space optimization. This single-row bearing excels at handling combined loads, supporting significant axial loads in one direction due to its specific 30° contact angle. Manufactured to ABEC-1 precision tolerances, it offers reliable performance in compact designs where radial space is limited. Its lubricated construction ensures immediate operational readiness across a wide temperature range.
K30008AR0 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| K | Metric Reali-Slim® thin-section bearing series |
| 30008 | Bore diameter: 300 mm, Cross-section: 8 mm |
| A | 30° contact angle, optimized for axial load capacity |
| R0 | Radial internal clearance designation |
K30008AR0 Bearing Structural Features & Performance Benefits
Thin-Section Design: With an 8mm cross-section and 300mm bore, this bearing provides maximum space savings while maintaining structural integrity. The optimized bearing dimensions enable compact machine designs.
High Load Capacity: The 30° contact angle and chrome steel construction deliver exceptional axial static load rating of 5582 lbf while maintaining substantial radial load capacity (2202 lbf dynamic).
Precision Performance: Manufactured to ABEC-1 tolerance class with controlled radial internal clearance (0.0000 – 0.0005"), ensuring consistent running accuracy and minimal vibration.
Durable Construction: The brass cage provides excellent guidance and stability, while chrome steel rings and balls ensure long service life under demanding conditions.
K30008AR0 Bearing Typical Application Areas
- Robotics and automation systems - where compact design and precise motion control are critical
- Aerospace components - requiring lightweight, high-precision bearings for control mechanisms
- Medical equipment - particularly in imaging systems and surgical robots demanding space-efficient solutions
- Semiconductor manufacturing equipment - where precision positioning and compact bearing arrangements are essential
- Rotary tables and indexing heads - benefiting from the combination of axial load capacity and thin-section design
