S7012 ACD/P4ATBTB
Sealed Super Precision Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
S7012 ACD/P4ATBTB
Basic Information
System of measurement
Metric
Weight
1.22 kg
Tolerance class
P4A
Seal type
Sealed
For load direction
Angular Contact
Main Dimensions
Bore diameter
60 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
95 mm
Outside diameter tolerance
-0.004mm to 0
Width
54 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
11.112 mm
Ball quantity
19
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
18720 lbf
Radial static load rating
22500 lbf
Limiting speed
32.5 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
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
Price available upon request.
Our sales team will respond within 24 hours with a competitive quote tailored to your requirements.
REQUEST A QUOTE
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
S7012 ACD/P4ATBTB Bearing Product Overview & Core Advantages
The S7012 ACD/P4ATBTB is a super-precision angular contact ball bearing supplied as a triplex back-to-back (TBT) matched set. Engineered to the exacting P4A tolerance class, this configuration delivers exceptional rotational accuracy, high system rigidity, and superior performance under combined loads. Its design is optimized for high-speed spindles and other demanding applications requiring maximum precision and reliability.
S7012 ACD/P4ATBTB Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| S7012 | Precision bearing series with 60 mm bore, 95 mm OD. |
| ACD | Angular Contact design with a 25° contact angle. |
| P4A | High precision tolerance class exceeding ABEC 7, ensuring minimal runout and vibration. |
| TBT | Triplex Back-to-Back arrangement. A set of three bearings pre-matched for optimal load sharing and preload. |
S7012 ACD/P4ATBTB Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The triplex back-to-back arrangement creates an extremely rigid bearing system capable of supporting high combined radial and axial loads from both directions.
- Super-Precision Performance: Manufactured to P4A tolerance standards with a phenolic cage, this bearing ensures minimal vibration and exceptional running accuracy for ultra-precise applications.
- Optimized for High Speeds: The lightweight phenolic cage and precision-ground chrome steel components allow for a high limiting speed of 32,500 rpm.
- Pre-Configured Preload: The set is supplied with a Light / Class B preload applied, simplifying installation and ensuring immediate, optimal performance.
S7012 ACD/P4ATBTB Bearing Typical Application Areas
This bearing is ideally suited for high-performance machinery requiring the utmost precision and speed, including:
- Machine Tool Spindles (High-speed milling, grinding, and turning centers)
- Precision Grinding Spindles
- High-Frequency Machining Centers
- Other high-speed, high-accuracy rotary systems
