7014 ACDGB/P4A
7000 Series Super Precision Angular Contact Ball Bearings
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Main Dimensions
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7014 ACDGB/P4A Bearing Product Overview & Core Advantages
The 7014 ACDGB/P4A is a single-row angular contact ball bearing engineered for applications demanding high precision and superior performance. Positioned in the P4A tolerance class, it delivers exceptional dimensional accuracy and running precision. Its key advantage lies in its ability to accommodate combined loads (radial and axial) simultaneously, making it ideal for high-speed spindles and precision machinery. The light preload (Class B) ensures minimal deflection under operational stresses, while the universal matching (SU) capability allows for flexible bearing arrangements in complex setups.
7014 ACDGB/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
| 7014 | Basic bearing designation: 70mm bore, 110mm OD, 20mm width |
| AC | Angular Contact design with 25° contact angle |
| DGB | Universal Matchable bearing for duplex arrangements |
| P4A | High Precision Tolerance Class with enhanced running accuracy |
7014 ACDGB/P4A Bearing Structural Features & Performance Benefits
Precision Engineering: Manufactured to P4A tolerance class with bore and OD tolerances of -0.004mm to 0, ensuring exceptional dimensional stability and running accuracy.
Optimized Contact Design: The 25° contact angle provides superior axial load capacity while maintaining excellent radial load performance, making it ideal for combined load applications.
High-Speed Capability: Featuring a phenolic cage and optimized internal geometry, the bearing achieves a limiting speed of 29,000 rpm, suitable for high-speed spindle applications.
Superior Material Construction: Both rings and balls are made from chrome steel, providing high hardness, wear resistance, and durability under demanding conditions.
Flexible Arrangement Capability: The universal matching (SU) feature allows bearings to be supplied in sets of three for back-to-back, face-to-face, or tandem arrangements without additional machining.
7014 ACDGB/P4A Bearing Typical Application Areas
- Machine Tool Spindles - High-speed machining centers and precision grinding machines
- Precision Instrumentation - Measuring equipment and laboratory instruments
- High-Speed Motors - Industrial motors and servo drives requiring precise positioning
- Aerospace Components - Guidance systems and flight control mechanisms
- Medical Equipment - Dental handpieces and surgical tool drives
