71936 CDGC/P4A
71900 Series Super Precision Angular Contact Ball Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
Performance
Materials
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71936 CDGC/P4A Bearing Product Overview & Core Advantages
The 71936 CDGC/P4A is a single-row angular contact ball bearing engineered for high-precision applications requiring exceptional rotational accuracy and rigidity. Designed to accommodate primarily axial loads in one direction, combined with moderate radial loads, this bearing features a 15° contact angle and P4A super-precision tolerance class for superior running accuracy. Its phenolic resin cage and universal matching capability (SU) enable optimal performance in demanding configurations, making it ideal for high-speed spindle systems and precision machinery where dimensional stability and minimal runout are critical.
71936 CDGC/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 71936 | Basic bearing designation indicating size series and bore diameter (180mm) |
| CD | Contact angle designation (15° nominal) |
| GC | Preload classification (Moderate / Class C) |
| P4A | Tolerance class designation (Super precision, enhanced running accuracy) |
71936 CDGC/P4A Bearing Structural Features & Performance Benefits
High Precision Construction: Manufactured to P4A tolerance class with extremely tight dimensional tolerances (bore/OD tolerance: -0.004mm to 0) ensuring exceptional running accuracy and minimal vibration.
Optimized Load Capacity: The 15° contact angle provides excellent axial load carrying capacity in one direction while maintaining good radial load performance, with dynamic load rating of 37,800 lbf and static load rating of 47,700 lbf.
High-Speed Capability: The phenolic resin cage offers superior strength-to-weight ratio, enabling operation at limiting speeds up to 11,000 rpm while maintaining dimensional stability.
Universal Matching Design: As a Universal Matchable (SU) bearing, it can be paired with other identical bearings in various arrangements (back-to-back, face-to-face, or tandem) to create optimized bearing sets for specific application requirements.
Premium Material Selection: Constructed from chrome steel for both rings and balls, providing excellent wear resistance and durability under demanding operating conditions.
71936 CDGC/P4A Bearing Typical Application Areas
- Machine Tool Spindles - High-precision machining centers, grinding spindles
- Precision Gearboxes - Industrial transmission systems requiring high accuracy
- Aerospace Components - Flight control systems, auxiliary power units
- Medical Equipment - High-speed dental handpieces, surgical tools
- Robotics - Precision joints and rotary actuators
- Test & Measurement Equipment - Coordinate measuring machines, optical instruments
