7001 CD/P4ADBA
7000 Series Super Precision Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Basic Information
Main Dimensions
Ball & Washer Dimensions
Performance
Materials
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
7001 CD/P4ADBA Bearing Product Overview & Core Advantages
The 7001 CD/P4ADBA represents a precision duplex angular contact ball bearing designed for applications demanding exceptional rotational accuracy and rigidity. This metric system bearing features a Back-to-Back (DB) matched arrangement of two bearings, enabling it to withstand combined radial and axial loads from both directions. Manufactured to the stringent P4A tolerance class, it offers superior running accuracy, making it ideal for high-speed spindles and other high-precision machinery where minimal runout and high system rigidity are critical.
7001 CD/P4ADBA Bearing Model Code Explained, Specifications & Naming Convention
- 7001: Basic series designation, indicating a 12mm bore and 28mm outside diameter.
- C: Signifies a 15° contact angle, optimized for high-speed operation and moderate axial load capacity.
- D: Indicates the bearing is part of a Duplex (matched pair) set.
- P4A: Denotes a very high precision tolerance class, exceeding ABEC 7 standards, for exceptional dimensional and running accuracy.
- DB: Specifies the Back-to-Back arrangement of the matched pair, which provides high moment rigidity and stability.
- A: Indicates an Extra Light preload is applied to the matched set, minimizing axial and radial play for precise shaft positioning.
7001 CD/P4ADBA Bearing Structural Features & Performance Benefits
High Rigidity & Load Capacity: The duplex back-to-back (DB) configuration creates a rigid support system that effectively resists moment loads and tilting. This setup allows the bearing set to handle significant combined radial and axial loads from both directions, making it suitable for complex loading conditions.
Precision Performance: Manufactured to P4A tolerance class, this bearing ensures minimal dimensional variation and superior running accuracy. The 15° contact angle is optimized for high-speed applications while maintaining good axial load capacity.
High-Speed Capability: The phenolic resin cage provides excellent strength-to-weight ratio and operates effectively at high rotational speeds, contributing to the bearing's limiting speed of 110,000 rpm. The open design facilitates efficient lubrication and heat dissipation.
Premium Materials: Constructed from chrome steel for both rings and balls, the bearing offers high hardness, wear resistance, and durability under demanding operating conditions.
7001 CD/P4ADBA Bearing Typical Application Areas
The 7001 CD/P4ADBA is engineered for high-performance applications requiring exceptional precision and speed, including:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers
- Precision Instrumentation: Measuring devices, optical equipment, and laboratory apparatus
- High-Speed Motors: Spindle motors and other precision rotary systems
- Medical Equipment: Dental handpieces and surgical tools
- Aerospace Components: Gyroscopes, navigation systems, and auxiliary power units
