S7022 ACD/P4ATBTA
Sealed Super Precision Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
S7022 ACD/P4ATBTA
Basic Information
System of measurement
Metric
Weight
5.99 kg
Tolerance class
P4A
Seal type
Sealed
For load direction
Angular Contact
Main Dimensions
Bore diameter
110 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
170 mm
Outside diameter tolerance
-0.004mm to 0
Width
84 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
19.05 mm
Ball quantity
20
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
50625 lbf
Radial static load rating
69750 lbf
Limiting speed
16 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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S7022 ACD/P4ATBTA Bearing Product Overview & Core Advantages
The S7022 ACD/P4ATBTA is a high-precision angular contact ball bearing designed for demanding industrial applications requiring exceptional rigidity and accuracy. This triplex back-to-back (TBT) matched set configuration provides superior stability and load-carrying capacity, making it ideal for applications subjected to complex combined loads. Manufactured to P4A tolerance class, it ensures minimal runout and consistent performance in high-speed, high-precision environments. Its sealed design and pre-lubrication offer long-term reliability and reduced maintenance needs.
S7022 ACD/P4ATBTA Bearing Model Code Explained, Specifications & Naming Convention
The model designation S7022 ACD/P4ATBTA provides detailed technical specifications:
- S7022: Basic bearing series and size designation (Bore: 110mm, OD: 170mm, Width: 84mm)
- ACD: Angular Contact design with a 25° contact angle
- P4A: Indicates ultra-precision tolerance class exceeding ABEC 7 standards
- TB: Denotes Triplex Back-to-Back arrangement of three bearings
- TA: Specifies Extra light preload (Class A) for optimal rigidity
S7022 ACD/P4ATBTA Bearing Structural Features & Performance Benefits
- Exceptional Rigidity: The triplex back-to-back arrangement of three bearings creates an extremely rigid bearing system capable of withstanding heavy combined loads and moments.
- High Load Capacity: With a dynamic load rating of 50,625 lbf and static load rating of 69,750 lbf, it handles significant radial and axial loads simultaneously.
- Precision Performance: Manufactured to P4A tolerance class with tight dimensional tolerances (bore/OD: -0.004mm to 0), ensuring minimal vibration and high running accuracy.
- Optimized High-Speed Operation: The phenolic resin cage reduces friction and weight, contributing to a limiting speed of 16,000 rpm while maintaining dimensional stability.
- Maintenance-Free Design: Factory-sealed and pre-lubricated with grease, providing protection against contamination and ensuring consistent performance across the temperature range of -30°C to 110°C.
S7022 ACD/P4ATBTA Bearing Typical Application Areas
This precision bearing set is specifically engineered for high-performance applications including:
- Machine tool spindles for milling, grinding, and turning centers
- High-speed machining centers requiring extreme precision and rigidity
- Precision gearboxes and transmission systems
- Industrial pumps and compressors operating at high speeds
- Robotic arm joints and precision positioning systems
- Aerospace components and navigation systems
