S7006 ACB/P4A
Sealed Super Precision Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
S7006 ACB/P4A
Basic Information
System of measurement
Metric
Weight
0.13 kg
Tolerance class
P4 (ABEC-7)
Seal type
Sealed
For load direction
Angular Contact
Main Dimensions
Bore diameter
30 mm
Bore diameter tolerance
-0.005mm to 0
Outside diameter
55 mm
Outside diameter tolerance
-0.007mm to 0
Width
13 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
4.762 mm
Ball quantity
20
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
1390 lbf
Radial static load rating
878 lbf
Limiting speed
34 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:
$ 172.44
/ each
In Stock
- Fast delivery
- Free shipping on orders over $200
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
S7006 ACB/P4A Bearing Product Overview & Core Advantages
The S7006 ACB/P4A is a precision single-row angular contact ball bearing engineered for applications demanding exceptional rotational accuracy and high-speed performance. Manufactured to P4 (ABEC-7) tolerance class, it delivers superior running precision. Its key advantage lies in its ability to accommodate combined radial and axial loads simultaneously, making it ideal for high-rigidity, high-reliability installations where space is constrained. The bearing comes pre-lubricated and is available with a preload for immediate, optimized performance.
S7006 ACB/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Significance |
|---|---|---|
| ACB | Angular Contact Bearing, specific contact angle design | Denotes a 25° contact angle, optimized for handling high axial loads in one direction. |
| P4A | P4 (ABEC-7) Tolerance Class, with specific internal clearance/Preload | Guarantees extremely tight dimensional and running accuracy for high-precision applications. The "A" suffix typically indicates a specific preload category. |
S7006 ACB/P4A Bearing Structural Features & Performance Benefits
- High Rigidity and Precision: The single-row design, manufactured to P4 tolerance with a phenolic cage, ensures minimal runout and stable operation under load, providing the stiffness required for precision spindles.
- Superior Load Capacity: The 25° contact angle and robust construction of chrome steel rings and balls enable the bearing to support significant combined radial and axial loads.
- Optimized High-Speed Performance: The lightweight phenolic resin cage reduces centrifugal forces, while the optimized internal geometry contributes to a high limiting speed of 34,000 rpm.
- Sealed and Lubricated for Life: As a sealed and pre-lubricated bearing, it is protected from contamination and is ready for use, offering long-term, maintenance-free operation within its specified temperature range.
S7006 ACB/P4A Bearing Typical Application Areas
This bearing is ideally suited for high-performance machinery, including:
- Machine Tool Spindles
- High-Frequency Motors
- Precision Grinding Spindles
- High-Speed Pumps and Compressors
- Medical and Dental Equipment
