7008 ACE/P4AL
7000 Series Super Precision Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
7008 ACE/P4AL
Basic Information
System of measurement
Metric
Weight
0.19 kg
Tolerance class
P4A
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
40 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
68 mm
Outside diameter tolerance
-0.004mm to 0
Width
15 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
7.144 mm
Ball quantity
19
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
2632 lbf
Radial static load rating
1620 lbf
Limiting speed
41 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Single
Number of bearings in matched set
2
Universal matching bearing
No (Standard)
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
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
7008 ACE/P4AL Bearing Product Overview & Core Advantages
The 7008 ACE/P4AL is a high-precision angular contact ball bearing designed for demanding applications requiring exceptional accuracy and rigidity. Engineered to a P4A tolerance class, this bearing is preloaded and optimized to handle combined loads with high reliability. Its compact design and superior material composition make it an ideal choice for high-speed spindles and precision machinery where uncompromising performance is critical.
7008 ACE/P4AL Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| ACE | Indicates a 25° contact angle and a specific internal design optimized for high rigidity and speed. |
| P4A | Denotes an ultra-precision tolerance class with enhanced running accuracy, suitable for the most demanding applications. |
| Open (Seal Type) | No integral seals, allowing for higher limiting speeds and custom lubrication schemes in clean environments. |
7008 ACE/P4AL Bearing Structural Features & Performance Benefits
- High Rigidity and Precision: Manufactured to P4A tolerances with a 25° contact angle, this bearing provides exceptional dimensional stability and stiffness, minimizing deflection under load for superior machining accuracy.
- Optimized Load Capacity: The angular contact design efficiently supports combined radial and axial loads in one direction. The high dynamic load rating of 2632 lbf ensures long service life under demanding conditions.
- High-Speed Capability: The lightweight phenolic resin cage and open design contribute to a high limiting speed of 41,000 rpm, reducing centrifugal forces and enabling smooth operation.
- Premium Materials: Constructed from chrome steel for both rings and balls, ensuring high durability, wear resistance, and consistent performance across its operating temperature range.
7008 ACE/P4AL Bearing Typical Application Areas
This precision bearing is ideally suited for:
- Machine Tool Spindles (High-speed machining centers, grinding spindles)
- Precision Grinding Equipment
- High-Frequency Motors
- Medical and Dental Equipment
- Aerospace Instrumentation
