706 ACE/P4A
Miniature Super Precision Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
706 ACE/P4A
Basic Information
System of measurement
Metric
Weight
0.006 kg
Tolerance class
P4 (ABEC-7)
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
6 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
17 mm
Outside diameter tolerance
-0.004mm to 0
Width
6 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
3.175 mm
Ball quantity
8
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
340 lbf
Radial static load rating
110 lbf
Limiting speed
195 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:
$ 99.74
/ each
In Stock
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706 ACE/P4A Bearing Product Overview & Core Advantages
The 706 ACE/P4A is a single-row angular contact ball bearing designed for applications demanding high precision and exceptional rotational accuracy. Manufactured to P4 (ABEC-7) tolerance class, this bearing is engineered to accommodate combined loads, primarily handling significant axial loads in one direction while supporting radial loads. Its compact design and phenolic cage contribute to stable operation at high speeds, making it an ideal choice for high-performance spindles and precision machinery where rigidity and accuracy are paramount.
706 ACE/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 706 | Standard bearing series designation. |
| ACE | Indicates a 25° contact angle and specific internal design optimized for high-speed performance. |
| P4A | Denotes the P4 (ABEC-7) tolerance class, signifying extremely tight dimensional and running accuracy for precision applications. |
706 ACE/P4A Bearing Structural Features & Performance Benefits
- High Precision & Rigidity: The P4 tolerance class ensures minimal runout and vibration, providing the dimensional stability required for ultra-precise positioning. The 25° contact angle offers an optimal balance between axial load capacity and speed capability.
- High-Speed Capability: The lightweight and robust phenolic resin cage ensures excellent guidance of the balls and stable operation, contributing to the high limiting speed of 195,000 rpm. The open design facilitates efficient lubrication management.
- Superior Load Capacity: Engineered to handle combined radial and axial loads simultaneously. The dynamic load rating of 340 lbf and static load rating of 110 lbf ensure reliable performance under demanding conditions.
- Pre-Lubricated & Ready-to-Use: The bearing is pre-lubricated with high-quality grease, suitable for the specified temperature range of -30°C to 110°C, ensuring immediate operation and reducing initial setup complexity.
706 ACE/P4A Bearing Typical Application Areas
This high-precision angular contact bearing is ideally suited for:
- High-Frequency Spindles in PCB drilling and milling machines
- Precision Grinding Spindles
- High-Speed Machine Tool Applications
- Instrumentation and Medical Device Rotational Components
- High-Performance Electric Motors and encoders
