S7010 CD/P4ATBTA
Sealed Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
S7010 CD/P4ATBTA
Basic Information
System of measurement
Metric
Weight
0.77 kg
Tolerance class
P4A
Seal type
Sealed
For load direction
Angular Contact
Main Dimensions
Bore diameter
50 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
80 mm
Outside diameter tolerance
-0.004mm to 0
Width
48 mm
Width tolerance
-0.2mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
9.525 mm
Ball quantity
18
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
14332 lbf
Radial static load rating
16200 lbf
Limiting speed
46 X 1000 rpm
Lubrication
Grease
Matched arrangement
Triplex Back-to-Back (TBT)
Number of bearings in matched set
3
Universal matching bearing
No (Standard)
Preload
Extra light / Class A
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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S7010 CD/P4ATBTA Bearing Product Overview & Core Advantages
The S7010 CD/P4ATBTA is a metric system, P4A super-precision angular contact ball bearing designed for the most demanding applications. Its primary advantage lies in its triplex back-to-back (TBT) matched arrangement, providing exceptional system rigidity and stability. This configuration is optimized to handle combined radial and axial loads simultaneously with high accuracy, making it ideal for high-speed, high-precision machinery requiring maximum operational reliability and minimal runout.
S7010 CD/P4ATBTA Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| S7010 | Basic bearing series and size designation (50mm bore, 80mm OD). |
| C | 15° contact angle. |
| D | Indicates a duplex bearing (a pair). |
| P4A | High precision tolerance class, with enhanced running accuracy requirements. |
| TBT | Triplex Back-to-Back arrangement. A set of three bearings, with two pairs mounted back-to-back. |
| A | Extra light preload class for optimal stiffness and minimal heat generation. |
S7010 CD/P4ATBTA Bearing Structural Features & Performance Benefits
- Superior Rigidity and Stability: The triplex back-to-back (TBT) matched arrangement creates an extremely rigid bearing system that effectively resists moment loads and maintains shaft positioning under heavy combined loads.
- High-Speed Capability: The lightweight, durable phenolic resin cage and optimized internal geometry contribute to a high limiting speed of 46,000 rpm, reducing centrifugal forces and friction.
- Exceptional Load Capacity: Manufactured from high-grade chrome steel for both rings and balls, this bearing offers high dynamic and static load ratings (14,332 lbf and 16,200 lbf respectively), ensuring long service life under demanding conditions.
- Pre-optimized Performance: As a factory-matched set with a defined extra light preload, the bearing delivers consistent, predictable performance with simplified installation, eliminating the need for complex on-site adjustment.
- Sealed and Lubricated for Life: The sealed design with factory-applied grease lubrication protects against contamination and provides reliable operation within a temperature range of -30°C to 110°C, offering a maintenance-free solution.
S7010 CD/P4ATBTA Bearing Typical Application Areas
This high-precision, high-rigidity bearing is ideally suited for applications where supreme accuracy and stability are non-negotiable. Key industries and equipment include:
- Machine Tool Spindles: For high-speed milling, grinding, and turning centers.
- Precision Grinding Spindles: Where minimal runout and high rigidity are critical for surface finish.
- High-Frequency Motors and Spindles: Used in PCB drilling and other high-RPM applications.
- Industrial Pumps and Compressors: For handling significant axial and radial loads with high reliability.
