7001 CDGB/P4A
7000 Series Super Precision Angular Contact Ball Bearings
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7001 CDGB/P4A Bearing Product Overview & Core Advantages
The 7001 CDGB/P4A is a precision angular contact ball bearing designed for applications demanding exceptional rotational accuracy and high-speed performance. Manufactured to P4A tolerance class, this bearing delivers superior dimensional stability and running precision. Its 15° contact angle and Universal Matchable (SU) design enable it to efficiently handle combined radial and axial loads. Preloaded with a Light / Class B preload, it ensures high system rigidity and minimal axial play, making it ideal for high-precision spindles and other critical machinery where high rigidity and accuracy are paramount.
7001 CDGB/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7001 | Basic bearing designation indicating a metric angular contact ball bearing with a 12mm bore, 28mm OD, and 8mm width. |
| CD | Specifies a 15° contact angle, optimized for high-speed applications and combined load capacity. |
| GB | Indicates a Universal Matchable (SU) bearing, designed to be mounted in pairs (back-to-back, face-to-face, or tandem) to handle various load configurations. |
| P4A | Denotes a high-precision tolerance class with enhanced dimensional and running accuracy, suitable for the most demanding applications. |
7001 CDGB/P4A Bearing Structural Features & Performance Benefits
High-Precision Construction: Manufactured from Chrome Steel for both rings and balls, ensuring excellent wear resistance and durability. The Phenolic cage provides superior guidance at high speeds, contributing to the bearing's limiting speed of 100,000 rpm.
Optimized Load Capacity: The 15° contact angle enables efficient handling of combined radial and axial loads, with a dynamic load rating of 1010 lbf and static load rating of 428 lbf.
Enhanced System Rigidity: The Light preload (Class B) eliminates internal clearance, resulting in high rigidity and precise shaft positioning, critical for machining accuracy.
Pre-Lubricated Design: Comes factory-lubricated for immediate operation, supporting a temperature range of -30°C to 110°C.
7001 CDGB/P4A Bearing Typical Application Areas
This precision angular contact ball bearing is specifically engineered for high-performance applications including:
- Machine Tool Spindles: High-speed machining centers, grinding spindles
- Precision Instrumentation: Measuring equipment, optical devices
- High-Speed Motors: Servo motors, spindle motors
- Medical Equipment: Dental handpieces, laboratory instruments
- Aerospace Components: Guidance systems, auxiliary power units
