7001 ACE/P4A
7000 Series Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
7001 ACE/P4A
Basic Information
System of measurement
Metric
Weight
0.021 kg
Tolerance class
P4 (ABEC-7)
Seal type
Open
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
112 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:
$ 68.36
/ each
In Stock
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7001 ACE/P4A Bearing Product Overview & Core Advantages
The 7001 ACE/P4A is a single-row angular contact ball bearing engineered for high-precision applications requiring exceptional rotational accuracy and rigidity. Designed to accommodate combined loads (simultaneous radial and axial loads), this bearing features a 25° contact angle for optimal axial load capacity. Manufactured to P4 (ABEC-7) tolerance class, it delivers superior running accuracy and is preloaded for enhanced system stiffness, making it ideal for high-speed spindles and precision machinery where minimal deflection is critical.
7001 ACE/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7001 | Basic bearing series designation, indicating a metric series angular contact bearing with a 12mm bore. |
| ACE | Designates a 25° contact angle and specific internal design optimized for high-speed operation and preload. |
| P4A | Indicates the P4 (ABEC-7) super-precision tolerance class and specific preload grouping for matched mounting. |
7001 ACE/P4A Bearing Structural Features & Performance Benefits
- High Rigidity & Preload: The bearing is supplied with a preload, which eliminates internal clearance and significantly increases system stiffness, reducing vibration and improving positional accuracy under load.
- Superior Load Capacity: The 25° contact angle provides excellent performance for combined radial and axial loads, making it suitable for applications with significant thrust forces.
- High-Speed Performance: The phenolic resin cage is lightweight and ensures stable operation at the high limiting speed of 112,000 rpm, reducing centrifugal forces and friction.
- Precision Engineering: Manufactured to P4 tolerance with tight dimensional control on bore, outside diameter, and width, ensuring consistent performance and interchangeability.
- Optimized Lubrication: Comes pre-lubricated for immediate operation, suitable for the specified temperature range of -30°C to 110°C.
7001 ACE/P4A Bearing Typical Application Areas
This precision angular contact ball bearing is ideally suited for:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Robotics: Arm joints and rotary actuators requiring high rigidity.
- Medical Equipment: High-speed dental handpieces and surgical drill spindles.
- Semiconductor Manufacturing: Wafer handling robots and precision stages.
- High-Frequency Motors & Spindles: Applications demanding minimal runout and high rotational accuracy.
