71948 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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71948 CDGC/P4A Bearing Product Overview & Core Advantages
The 71948 CDGC/P4A is a single-row angular contact ball bearing designed for applications requiring high precision and moderate preload. Engineered to P4A tolerance class, this bearing delivers exceptional running accuracy and dimensional stability. Its 15° contact angle provides optimal performance for combined loads, effectively handling both radial and axial forces in one direction. The Universal Matchable (SU) design allows for precise pairing in sets of two, enabling simplified mounting and enhanced system rigidity in demanding applications.
71948 CDGC/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Performance Impact |
|---|---|---|
| CDGC | Contact angle designation and cage type | Specifies 15° contact angle and phenolic cage construction |
| P4A | Tolerance class designation | Indicates high precision grade with tight dimensional tolerances |
71948 CDGC/P4A Bearing Structural Features & Performance Benefits
High Precision Construction: Manufactured to P4A tolerance class with bore and outside diameter tolerances of -0.004mm to 0, ensuring exceptional dimensional accuracy and running precision.
Optimized Load Capacity: With a radial dynamic load rating of 51,525 lbf and radial static load rating of 73,125 lbf, this bearing delivers reliable performance under significant combined loads.
Enhanced Speed Performance: The phenolic cage and optimized design enable a limiting speed of 7,500 rpm, suitable for high-speed applications.
Precision Matching Capability: As a Universal Matchable (SU) bearing designed for sets of two, it provides simplified installation and consistent preload characteristics in matched arrangements.
Superior Material Quality: Constructed from chrome steel for both rings and balls, ensuring high durability and wear resistance in demanding operating conditions.
71948 CDGC/P4A Bearing Typical Application Areas
- Machine tool spindles requiring high precision and moderate preload
- Precision grinding equipment where dimensional accuracy is critical
- High-speed machining centers demanding both speed and accuracy
- Industrial pumps and compressors with combined load requirements
- Robotic positioning systems requiring precise motion control
- Aerospace positioning mechanisms where reliability and precision are paramount
