S7010 ACD/P4AQBTC
Sealed Super Precision Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
S7010 ACD/P4AQBTC
Basic Information
System of measurement
Metric
Weight
1.02 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
64 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
9.525 mm
Ball quantity
18
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
16672 lbf
Radial static load rating
20925 lbf
Limiting speed
41 X 1000 rpm
Lubrication
Grease
Matched arrangement
Quadruplex Tandem Back-to-Back (QBT)
Number of bearings in matched set
4
Universal matching bearing
No (Standard)
Preload
Moderate / Class C
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
S7010 ACD/P4AQBTC Bearing Product Overview & Core Advantages
The S7010 ACD/P4AQBTC is a precision angular contact ball bearing designed for demanding applications requiring exceptional rigidity and accuracy. This matched quadruplex set in a Tandem Back-to-Back (QBT) arrangement is preloaded to Moderate / Class C standards, delivering superior system stability and resistance to complex combined loads. Its P4A tolerance class ensures high running accuracy, making it ideal for high-speed spindles and other precision machinery where uncompromising performance is critical.
S7010 ACD/P4AQBTC Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| ACD | Angular Contact Design with a 25° contact angle. |
| P4A | High precision tolerance class, exceeding ABEC 7/ISO P4 standards for superior running accuracy. |
| QBT | Quadruplex Tandem Back-to-Back matched set arrangement. This configuration provides maximum axial rigidity and moment load capacity. |
| Sealed | Integrated seals protect against contamination and retain lubricant, enhancing bearing life and reliability. |
S7010 ACD/P4AQBTC Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The quadruplex back-to-back arrangement creates an exceptionally rigid bearing system capable of withstanding heavy combined radial and axial loads and significant moment loads.
- Precision & High-Speed Performance: Manufactured to P4A tolerance class with a phenolic cage, this bearing ensures smooth operation, low vibration, and excellent performance at high speeds, with a limiting speed of 41,000 rpm.
- Optimized for Reliability: The sealed design and pre-applied grease lubrication provide long-term, maintenance-free operation within a wide temperature range of -30°C to 110°C.
- Superior Materials: Constructed from chrome steel for both rings and balls, ensuring high durability and fatigue resistance under demanding conditions.
S7010 ACD/P4AQBTC Bearing Typical Application Areas
This high-precision, high-rigidity bearing set is engineered for the most demanding applications, including:
- Machine Tool Spindles (High-speed milling, grinding, and turning centers)
- Precision Grinding Spindles
- High-Frequency Machining Centers
- Industrial Pumps and Compressors
- Other precision rotary equipment requiring maximum stiffness and accuracy.
