7016 CD/P4ATBTB
7000 Series Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
7016 CD/P4ATBTB
Basic Information
System of measurement
Metric
Weight
2.56 kg
Tolerance class
P4A
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
80 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
125 mm
Outside diameter tolerance
-0.004mm to 0
Width
66 mm
Width tolerance
-0.2mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
14.288 mm
Ball quantity
20
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
31500 lbf
Radial static load rating
41175 lbf
Limiting speed
28 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Triplex Back-to-Back (TBT)
Number of bearings in matched set
3
Universal matching bearing
No (Standard)
Preload
Light / Class B
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Phenolic
Technical Drawings
No drawings available at the moment, will be launched soon
In Stock
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7016 CD/P4ATBTB Bearing Product Overview & Core Advantages
The 7016 CD/P4ATBTB is a super-precision angular contact ball bearing designed for the most demanding applications requiring exceptional rotational accuracy and rigidity. This triplex matched set, arranged in a Back-to-Back (TBT) configuration, is engineered to handle combined radial and axial loads simultaneously. Manufactured to an ultra-precise P4A tolerance class, it delivers superior running accuracy and high-speed capability. Its light preload (Class B) ensures optimal stiffness and minimal deflection under operational stresses, making it an ideal choice for high-performance spindles and precision machinery.
7016 CD/P4ATBTB Bearing Model Code Explained, Specifications & Naming Convention
The model number 7016 CD/P4ATBTB provides detailed technical specifications:
- 7016: Basic bearing series, with 80 mm bore, 125 mm OD, and 66 mm width.
- C: Denotes a 15° contact angle, optimized for high-speed operation and moderate axial load capacity.
- D: Indicates the bearing is supplied with a light preload (Class B) for enhanced rigidity.
- P4A: Specifies an ultra-high-precision tolerance class, exceeding ABEC 7/ISO P4 standards for exceptional running accuracy.
- TBT: Identifies the bearing as a Triplex Back-to-Back matched set, consisting of three individual bearings for maximum stiffness and moment load capacity.
7016 CD/P4ATBTB Bearing Structural Features & Performance Benefits
- High Rigidity & Stability: The triplex back-to-back arrangement creates an extremely rigid bearing system that effectively resists moment loads and shaft deflection, crucial for maintaining precision in machining operations.
- Superior Load Capacity: With a dynamic load rating of 31,500 lbf and static load rating of 41,175 lbf, this bearing set is engineered to handle significant combined loads while maintaining performance.
- Optimized High-Speed Performance: The 15° contact angle and phenolic resin cage reduce friction and centrifugal forces, enabling a high limiting speed of 28,000 rpm. The open design allows for efficient lubrication management.
- Precision Engineering: Manufactured to P4A tolerance standards with tight dimensional controls on bore, OD, and width, ensuring predictable performance and easy installation in precision assemblies.
- Premium Materials: Constructed from chrome steel for rings and balls, providing excellent durability and fatigue resistance under high-stress conditions.
7016 CD/P4ATBTB Bearing Typical Application Areas
This high-precision triplex bearing set is specifically designed for applications requiring the utmost in accuracy, speed, and rigidity:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers
- Precision Grinding Spindles: Internal and external grinding applications
- High-Frequency Motor Spindles: PCB drilling and precision machining
- Industrial Pumps & Compressors: High-performance applications requiring precise shaft guidance
- Aerospace & Defense Systems: Gyroscopes, radar systems, and navigation equipment
