71918 CD/P4ADGA
71900 Series Super Precision Angular Contact Ball Bearings
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Main Dimensions
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71918 CD/P4ADGA Bearing Product Overview & Core Advantages
The 71918 CD/P4ADGA is a high-precision angular contact ball bearing designed for applications demanding exceptional accuracy and reliability. Manufactured to P4A tolerance class, this bearing delivers superior running accuracy and rotational precision. Its universal matchable (SU) design allows for flexible mounting arrangements in pairs to handle combined loads efficiently. Preloaded to extra light (Class A) specifications, it ensures minimal deflection and optimal performance in high-speed operations. The phenolic cage and chrome steel construction contribute to its durability and suitability for precision machinery.
71918 CD/P4ADGA Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 71918 | Basic bearing designation indicating size series and bore diameter (90mm) |
| CD | Contact angle of 15° and specific internal design for optimized load distribution |
| P4A | High precision tolerance class with enhanced dimensional and running accuracy |
| DGA | Universal matchable bearing designed for paired mounting arrangements |
71918 CD/P4ADGA Bearing Structural Features & Performance Benefits
Precision Engineering: Manufactured to P4A tolerance standards, this bearing ensures minimal vibration and noise during operation, making it ideal for high-speed applications up to 15,000 rpm.
Optimized Load Capacity: With a 15° contact angle and 26 precision balls, the bearing efficiently handles both radial and axial loads, featuring a dynamic load rating of 17,122 lbf and static load rating of 22,950 lbf.
Advanced Cage Design: The phenolic resin cage provides excellent dimensional stability and reduced friction, contributing to the bearing's high-speed performance and temperature resistance.
Material Excellence: Chrome steel rings and balls ensure high hardness and wear resistance, while the open design allows for customized lubrication solutions based on application requirements.
71918 CD/P4ADGA Bearing Typical Application Areas
- Machine Tool Spindles: High-precision machining centers and grinding machines
- Precision Instrumentation: Measuring equipment and optical devices
- High-Speed Motors: Industrial motors and servo drives
- Aerospace Components: Guidance systems and control mechanisms
- Medical Equipment: Diagnostic imaging systems and surgical tools
