7010 ACDGB/P4A
7000 Series Super Precision Angular Contact Ball Bearings
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Basic Information
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7010 ACDGB/P4A Bearing Product Overview & Core Advantages
The 7010 ACDGB/P4A is a single-row angular contact ball bearing designed for high-precision applications requiring exceptional rotational accuracy and rigidity. Engineered to a P4A tolerance class, it delivers superior running precision and dimensional stability. Its primary function is to support combined loads—simultaneously handling significant radial loads and axial loads in one direction. The bearing features a 25° contact angle and a Light preload (Class B), making it ideal for arrangements requiring high rigidity and minimal deflection, such as in precision spindles. Its phenolic cage and optimized internal geometry contribute to its high-speed capabilities and smooth operation.
7010 ACDGB/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| AC | Angular Contact design with a 25° contact angle. |
| DGB | Universal Matchable (SU) bearing, supplied in a set of 3 for duplex arrangements (e.g., DB, DF, DT). |
| P4A | High precision tolerance class with enhanced dimensional and running accuracy, tighter than ABEC 7. |
7010 ACDGB/P4A Bearing Structural Features & Performance Benefits
- High Rigidity and Precision: The P4A tolerance class and light preload ensure minimal runout and high system stiffness, critical for applications demanding extreme accuracy.
- Superior Load Capacity: The 25° contact angle and robust chrome steel construction enable the bearing to handle high combined radial and axial loads efficiently.
- Optimized High-Speed Performance: The lightweight phenolic cage reduces centrifugal forces, allowing for a high limiting speed of 46,000 rpm, making it a true high-speed bearing.
- Universal Matching Capability: Designed as a Universal Matchable (SU) bearing, it can be flexibly arranged in pairs (back-to-back, face-to-face, or tandem) to support complex load conditions and moments.
7010 ACDGB/P4A Bearing Typical Application Areas
- Machine Tool Spindles (High-speed milling, grinding)
- Precision Gearboxes
- High-Frequency Motors
- Medical and Dental Equipment Spindles
- Aerospace Actuation Systems
