7015 ACE/HCP4A
Hybrid Ceramic Super Precision Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
7015 ACE/HCP4A
Basic Information
System of measurement
Metric
Weight
0.59 kg
Tolerance class
P4 (ABEC-7)
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
75 mm
Bore diameter tolerance
-0.007mm to 0
Outside diameter
115 mm
Outside diameter tolerance
-0.008mm to 0
Width
20 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
9.525 mm
Ball quantity
26
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
5558 lbf
Radial static load rating
4590 lbf
Limiting speed
27 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:
$ 603.43
/ each
In Stock
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7015 ACE/HCP4A Bearing Product Overview & Core Advantages
The 7015 ACE/HCP4A is a high-precision angular contact ball bearing engineered for demanding applications requiring exceptional accuracy and performance. This single-row bearing is distinguished by its 25° contact angle and P4 (ABEC-7) tolerance class, ensuring superior running accuracy. Its core advantages include the ability to accommodate combined radial and axial loads simultaneously, high limiting speeds up to 27,000 rpm, and availability with preload for enhanced system rigidity. The combination of a phenolic cage and ceramic balls contributes to its high-speed capability and reduced weight.
7015 ACE/HCP4A Bearing Model Code Explained, Specifications & Naming Convention
The model number 7015 ACE/HCP4A provides detailed technical specifications through its suffixes:
- 7015: Standard designation for a metric series bearing with a 75mm bore and 115mm outside diameter.
- A: Indicates a 25° contact angle, optimized for high axial load capacity.
- CE: Signifies the use of Hybrid Ceramic components, specifically ceramic balls with steel rings.
- HCP4A: Denotes a P4 (ABEC-7) tolerance class and the application of a specific preload grade for high rigidity and precision.
7015 ACE/HCP4A Bearing Structural Features & Performance Benefits
- High-Speed Performance & Reduced Weight: The lightweight phenolic resin cage and low-density silicon nitride (Si3N4) ceramic balls significantly reduce centrifugal forces, enabling the high limiting speed of 27,000 rpm and lower operating temperatures.
- Superior Rigidity & Precision: The 25° contact angle and available preload provide high axial and radial stiffness, minimizing deflection under load. Manufactured to a P4 tolerance class, it guarantees exceptional running accuracy.
- High Load Capacity: Designed to support substantial combined loads, with a dynamic load rating of 5558 lbf and a static load rating of 4590 lbf.
- Extended Service Life: Ceramic balls offer superior wear resistance, lower friction, and electrical insulation properties, leading to longer service life in challenging environments.
7015 ACE/HCP4A Bearing Typical Application Areas
This precision bearing is ideally suited for high-performance machinery where speed, accuracy, and reliability are critical. Key applications include:
- Machine Tool Spindles: High-speed machining centers, grinding spindles.
- Precision Medical Equipment: Dental handpieces, laboratory centrifuges.
- Aerospace & Defense Systems: Gyroscopes, navigation systems, UAV motors.
- High-Frequency Motors and Spindles: PCB drilling spindles, high-speed routers.
- Robotics: Precision joints and actuators.
