S71906 CE/HCP4A
Hybrid Ceramic Super Precision Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
S71906 CE/HCP4A
Basic Information
System of measurement
Metric
Weight
0.043 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
47 mm
Outside diameter tolerance
-0.006mm to 0
Width
9 mm
Width tolerance
-0.2mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
4.762 mm
Ball quantity
18
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
1258 lbf
Radial static load rating
731 lbf
Limiting speed
49 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Single
Preload
Available
Materials
Ring material
Chrome Steel
Ball material
Ceramic
Cage material
Phenolic
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 283.95
/ each
In Stock
- Fast delivery
- Free shipping on orders over $200
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
S71906 CE/HCP4A Bearing Product Overview & Core Advantages
The S71906 CE/HCP4A is a high-precision angular contact ball bearing engineered for demanding applications requiring exceptional rotational accuracy and rigidity. This sealed single bearing features a 15° contact angle and is supplied with a preload, making it ideal for setups requiring minimal deflection under combined loads. Its compact design, utilizing ceramic balls and a phenolic cage, delivers superior high-speed performance, reduced weight, and extended service life in precision machinery.
S71906 CE/HCP4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Advantage |
|---|---|---|
| CE | Hybrid Ceramic Balls | Reduced weight, lower friction, and superior performance at high speeds and temperatures. |
| HC | Phenolic Resin Cage | Excellent strength-to-weight ratio and guidance for smooth operation at high RPM. |
| P4A | ABEC-7 / P4 Tolerance Class | Guarantees ultra-precise running accuracy and dimensional stability for critical applications. |
S71906 CE/HCP4A Bearing Structural Features & Performance Benefits
- High Rigidity and Preload: The bearing is supplied with a preload, significantly increasing system stiffness to minimize axial and radial displacement under combined loads.
- Superior High-Speed Capability: The combination of ceramic balls and a lightweight phenolic cage reduces centrifugal forces, enabling a high limiting speed of 49,000 rpm.
- Optimized Load Capacity: The 15° contact angle is engineered to efficiently support substantial axial loads in one direction alongside radial loads.
- Sealed and Lubricated for Life: As a sealed bearing pre-lubricated for its entire operating temperature range (-30° to 110°C), it offers a maintenance-free, long-service-life solution, protecting against contamination.
S71906 CE/HCP4A Bearing Typical Application Areas
This bearing is specifically designed for high-performance applications, including:
- High-Frequency CNC Spindles
- Precision Grinding Machine Spindles
- High-Speed Robotic Drives
- Advanced Medical and Dental Equipment
- Aerospace Instrumentation and Actuators
