7010 CB/HCP4A
Hybrid Ceramic Super Precision Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
7010 CB/HCP4A
Basic Information
System of measurement
Metric
Weight
0.28 kg
Tolerance class
P4 (ABEC-7)
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
50 mm
Bore diameter tolerance
-0.006mm to 0
Outside diameter
80 mm
Outside diameter tolerance
-0.007mm to 0
Width
16 mm
Width tolerance
-0.2mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
5.556 mm
Ball quantity
27
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
2239 lbf
Radial static load rating
1755 lbf
Limiting speed
45 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:
$ 292.64
/ each
In Stock
- Fast delivery
- Free shipping on orders over $200
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
7010 CB/HCP4A Bearing Product Overview & Core Advantages
The 7010 CB/HCP4A is a single-row angular contact ball bearing engineered for high-precision and high-speed applications. Its defining feature is the 15° contact angle and P4 (ABEC-7) tolerance class, ensuring exceptional running accuracy and rotational stability. This bearing is preloaded from the factory, delivering superior rigidity and minimizing axial and radial play under operational conditions. The combination of a ceramic ball set and a phenolic cage enables outstanding performance at the limiting speed of 45,000 rpm, making it an ideal solution for demanding, high-velocity spindles and machinery.
7010 CB/HCP4A Bearing Model Code Explained, Specifications & Naming Convention
The model number 7010 CB/HCP4A is decoded as follows:
- 7010: Standard designation for a metric series bearing with a 50mm bore and 80mm outside diameter.
- C: Denotes a 15° contact angle, optimized for high-speed operation and moderate axial loads.
- B: Indicates an increased internal clearance or a specific internal design for preload.
- HCP4A: A composite suffix where:
- P4: Specifies the P4 (ABEC-7) tolerance class for ultra-precision.
- A: Signifies that the bearing is supplied preloaded.
7010 CB/HCP4A Bearing Structural Features & Performance Benefits
- High Rigidity & Preload: The bearing is supplied with a factory-set preload, which significantly increases system stiffness, reduces deflection under load, and improves rotational accuracy.
- High-Speed Capability: The lightweight phenolic resin cage and low-density ceramic (Si3N4) balls reduce centrifugal forces, allowing for a very high limiting speed and lower operating temperatures.
- Precision Performance: Manufactured to P4 tolerance, this bearing guarantees minimal runout and vibration, which is critical for applications requiring extreme precision.
- Optimized Lubrication: The bearing comes pre-lubricated, ensuring immediate readiness for operation and reliable performance within its specified temperature range.
7010 CB/HCP4A Bearing Typical Application Areas
This precision angular contact bearing is ideally suited for:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Spindles: PCB drilling, semiconductor manufacturing equipment.
- High-Frequency Motors: Spindles for routers and high-speed electric motors.
- Medical Equipment: High-speed centrifuges and dental handpieces.
- Aerospace Instrumentation: Gyroscopes and other precision navigation systems.
