7010 ACB/HCP4A
Hybrid Ceramic Super Precision Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
7010 ACB/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
25 °
Ball & Washer Dimensions
Ball diameter
5.556 mm
Ball quantity
27
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
2106 lbf
Radial static load rating
1654 lbf
Limiting speed
40 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:
$ 292.51
/ each
In Stock
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7010 ACB/HCP4A Bearing Product Overview & Core Advantages
The 7010 ACB/HCP4A is a precision angular contact ball bearing engineered for high-performance applications requiring exceptional rotational accuracy and rigidity. Designed to accommodate combined loads (simultaneous radial and axial loads), this single bearing features a 25° contact angle for superior axial load capacity. Its construction with ceramic balls and a phenolic cage enables outstanding high-speed performance, while the P4 (ABEC-7) tolerance class ensures ultra-precise operation. Preloaded and lubricated from the factory, it is ready for installation in demanding, high-reliability systems.
7010 ACB/HCP4A Bearing Model Code Explained, Specifications & Naming Convention
The model number 7010 ACB/HCP4A can be broken down as follows to reveal its technical specifications:
- 7010: Basic bearing series, indicating a 50 mm bore and 80 mm outside diameter.
- AC: Angular Contact design, optimized for combined loads.
- B: Denotes a 40° contact angle (Note: Specification sheet indicates 25°, the "B" suffix may refer to a specific internal design or preload class).
- HCP4A: A manufacturer-specific suffix group.
- P4: Identifies the tolerance class P4 (ABEC-7), signifying very high precision.
- A: Likely indicates a specific preload level or internal clearance.
7010 ACB/HCP4A Bearing Structural Features & Performance Benefits
- High Rigidity and Precision: Manufactured to P4 tolerance, this bearing provides exceptional running accuracy and minimal deflection under load, which is critical for precision spindles.
- Superior High-Speed Capability: The combination of ceramic (Si3N4) balls and a lightweight phenolic resin cage reduces centrifugal forces, lowers operating temperature, and allows for a high limiting speed of 40,000 rpm.
- Excellent Load Capacity: The 25° contact angle is optimized to handle significant axial loads in one direction alongside radial loads, making it ideal for applications with demanding combined load requirements.
- Preload & Ready-to-Install: Supplied with a preload, the bearing achieves immediate optimal stiffness and rotational accuracy upon installation, simplifying the assembly process.
7010 ACB/HCP4A Bearing Typical Application Areas
This high-precision, high-speed bearing is ideally suited for:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Robotics: Arm joints and spindle drives requiring high rigidity and accuracy.
- High-Frequency Motors and Spindles: Where minimal vibration and heat generation are paramount.
- Aerospace & Defense Systems: Gyroscopes, radar systems, and other critical rotating assemblies.
