7010 CD/P4ADBB
7000 Series Super Precision Angular Contact Ball Bearings
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Basic Information
Main Dimensions
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7010 CD/P4ADBB Bearing Product Overview & Core Advantages
The 7010 CD/P4ADBB is a precision duplex angular contact ball bearing designed for applications requiring exceptional rotational accuracy and rigidity. This metric system bearing features a back-to-back (DB) matched arrangement and a P4A tolerance class, making it ideal for high-speed, high-precision spindles. Its primary advantage lies in its ability to handle combined loads (radial and axial) simultaneously while providing superior stiffness and operational stability. The light preload (Class B) ensures minimal deflection under load, contributing to enhanced machine tool performance and longevity.
7010 CD/P4ADBB Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| C | 15° Contact Angle |
| D | Duplex / Matched Set Bearing |
| P4A | High Precision Tolerance Class (exceeding ABEC 7) |
| DB | Back-to-Back Arrangement for high moment rigidity |
| B | Light Preload / Class B |
7010 CD/P4ADBB Bearing Structural Features & Performance Benefits
High Rigidity & Stability: The duplex back-to-back (DB) arrangement creates a wide effective spread between load centers, significantly increasing the bearing's resistance to moment loads and providing exceptional system stiffness. This is critical for maintaining precision under heavy combined loads.
Superior Load Capacity: With a 15° contact angle and optimized internal geometry, this bearing efficiently handles substantial radial loads and bidirectional axial loads. The dynamic load rating of 10,980 lbf and static load rating of 10,800 lbf ensure reliable performance in demanding applications.
High-Speed Performance: The phenolic resin cage offers excellent strength-to-weight ratio and smooth operation, contributing to the high limiting speed of 46,000 rpm. This makes the bearing suitable for high-speed spindle applications.
Precision Engineering: Manufactured to P4A tolerance class with tight dimensional control on bore, outside diameter, and width, this bearing guarantees minimal runout and consistent performance. The chrome steel rings and balls provide high hardness and wear resistance.
7010 CD/P4ADBB Bearing Typical Application Areas
- Machine Tool Spindles: High-precision milling, grinding, and turning centers
- High-Speed Machining Centers: Where rigidity and accuracy are paramount
- Precision Rotary Tables and Indexing Heads
- Industrial Pumps and Compressors requiring high-speed operation
- Medical Equipment and Dental handpieces
- Aerospace Actuation Systems
