S7001 ACE/P4A
Sealed Super Precision Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
S7001 ACE/P4A
Basic Information
System of measurement
Metric
Weight
0.021 kg
Tolerance class
P4 (ABEC-7)
Seal type
Sealed
For load direction
Angular Contact
Main Dimensions
Bore diameter
12 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
28 mm
Outside diameter tolerance
-0.005mm to 0
Width
8 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
3.969 mm
Ball quantity
12
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
691 lbf
Radial static load rating
286 lbf
Limiting speed
73 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Single
Preload
Available
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Phenolic
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 80.99
/ each
In Stock
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S7001 ACE/P4A Bearing Product Overview & Core Advantages
The S7001 ACE/P4A is a precision angular contact ball bearing designed for applications demanding exceptional rotational accuracy and high-speed performance. As a single-row bearing with a 25° contact angle, it is engineered to support significant combined loads—handling both radial and axial loads simultaneously. Its P4 (ABEC-7) tolerance class ensures ultra-precise running, making it ideal for high-reliability, high-rigidity applications. The bearing comes pre-lubricated and sealed, offering a maintenance-free solution with a wide operating temperature range.
S7001 ACE/P4A Bearing Model Code Explained, Specifications & Naming Convention
The model designation S7001 ACE/P4A provides detailed technical specifications:
- S: Denotes a bearing manufactured to super precision standards.
- 7001: Standard series designation indicating the bearing's internal geometry and size.
- ACE: Signifies specific internal design optimizations for high-speed operation and low torque.
- P4A: Indicates the tolerance class P4 (ABEC-7), guaranteeing extremely tight dimensional and running accuracy.
S7001 ACE/P4A Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The 25° contact angle and robust construction provide excellent stiffness, enabling the bearing to effectively support combined radial and axial loads.
- Superior High-Speed Performance: The phenolic resin cage is lightweight and strong, contributing to lower centrifugal forces and enabling a high limiting speed of 73,000 rpm. The optimized internal geometry further enhances high-speed capability.
- Precision & Accuracy: Manufactured to a P4 tolerance class, this bearing ensures minimal runout and vibration, which is critical for applications requiring high positional accuracy.
- Sealed & Lubricated for Life: The sealed design protects against contamination and retains lubricant, resulting in a long service life and maintenance-free operation within the specified temperature range.
S7001 ACE/P4A Bearing Typical Application Areas
The S7001 ACE/P4A is ideally suited for high-performance applications, including:
- Machine Tool Spindles
- High-Speed Motors and Spindles
- Precision Instrumentation
- Robotic Drives and Rotary Tables
- Medical and Dental Equipment
- Aerospace Actuators
