7034 CDGB/P4A
7000 Series Super Precision Angular Contact Ball Bearings
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Main Dimensions
Ball & Washer Dimensions
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7034 CDGB/P4A Bearing Product Overview & Core Advantages
The 7034 CDGB/P4A is a high-precision angular contact ball bearing designed for demanding applications requiring exceptional rotational accuracy and rigidity. Manufactured to P4A tolerance class, this bearing delivers superior running accuracy and dimensional stability. Its 15° contact angle and light preload (Class B) are optimized for high-speed operation while providing excellent resistance to combined loads. The phenolic cage ensures smooth operation at high rotational speeds, making it an ideal solution for high-performance spindles and precision machinery where reliability is critical.
7034 CDGB/P4A Bearing Model Code Explained, Specifications & Naming Convention
- 7034: Basic bearing designation (170mm bore, 260mm OD, 42mm width)
- C: 15° contact angle design
- D: Light preload (Class B)
- GB: Universal Matchable bearing (SU designation)
- P4A: High-precision tolerance class exceeding ABEC 7 standards
7034 CDGB/P4A Bearing Structural Features & Performance Benefits
High Precision & Rigidity: Manufactured to P4A tolerance class with tight dimensional tolerances (bore/OD tolerance: -0.004mm to 0), ensuring minimal runout and vibration for precision applications.
Optimized for High-Speed Operation: The phenolic cage material and 15° contact angle enable stable performance at limiting speeds up to 16,250 rpm, while the light preload reduces friction and heat generation.
Superior Load Capacity: With a dynamic load rating of 47,700 lbf and static load rating of 55,125 lbf, this bearing reliably handles significant radial and axial loads simultaneously.
Universal Matching Capability: Designed as Universal Matchable (SU), these bearings can be mounted in various preloaded configurations (DB, DF, DT) without performance degradation.
7034 CDGB/P4A Bearing Typical Application Areas
The 7034 CDGB/P4A excels in high-precision, high-speed applications including:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers
- Precision Industrial Pumps: Chemical processing and high-pressure applications
- Aerospace Systems: Gyroscopes, navigation equipment, and flight control systems
- Medical Equipment: High-speed dental handpieces and surgical tools
- Robotics & Automation: Precision robotic joints and CNC positioning systems
