7017 CE/HCP4AQBCA
Hybrid Ceramic Super Precision Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
7017 CE/HCP4AQBCA
Basic Information
System of measurement
Metric
Weight
3.24 kg
Tolerance class
P4A
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
85 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
130 mm
Outside diameter tolerance
-0.004mm to 0
Width
88 mm
Width tolerance
-0.2mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
11.112 mm
Ball quantity
26
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
20768 lbf
Radial static load rating
26550 lbf
Limiting speed
28 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Quadruplex Back-to-Back (QBC)
Number of bearings in matched set
4
Universal matching bearing
No (Standard)
Preload
Extra light / Class A
Materials
Ring material
Chrome Steel
Ball material
Ceramic
Cage material
Phenolic
Technical Drawings
No drawings available at the moment, will be launched soon
In Stock
Price available upon request.
Our sales team will respond within 24 hours with a competitive quote tailored to your requirements.
REQUEST A QUOTE
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
7017 CE/HCP4AQBCA Bearing Product Overview & Core Advantages
The 7017 CE/HCP4AQBCA is a high-precision quadruplex matched angular contact ball bearing designed for demanding applications requiring exceptional rigidity and accuracy. This P4A tolerance class bearing features a back-to-back (QBC) arrangement of four bearings, enabling it to withstand combined radial and axial loads from multiple directions simultaneously. Its construction with ceramic balls and an extra light preload (Class A) makes it ideally suited for high-speed operation and high-rigidity support systems where minimal deflection and thermal stability are critical.
7017 CE/HCP4AQBCA Bearing Model Code Explained, Specifications & Naming Convention
The model number 7017 CE/HCP4AQBCA is decoded as follows:
- 7017: Basic bearing series and size designation (85mm bore, 130mm OD).
- C: Represents a 15° contact angle, optimized for high-speed applications.
- E: Indicates the use of Ceramic (Si3N4) balls for reduced centrifugal force, lower friction, and higher speed capability.
- HC: Stands for High Capacity internal geometry, increasing the load rating.
- P4A: Denotes a super-precision tolerance class with running accuracy requirements stricter than ABEC 7.
- QBC: Specifies a Quadruplex (4 bearings) matched set in a Back-to-Back arrangement, providing high moment stiffness.
7017 CE/HCP4AQBCA Bearing Structural Features & Performance Benefits
- Ultra-High Rigidity & Stability: The quadruplex back-to-back (QBC) arrangement creates a highly rigid bearing system that effectively resists moment loads and shaft deflection, ensuring precise rotational alignment under heavy combined loads.
- Superior High-Speed Performance: The combination of lightweight ceramic balls and a phenolic resin cage significantly reduces centrifugal forces and friction, allowing for a high limiting speed of 28,000 rpm. The 15° contact angle further enhances high-speed suitability.
- Exceptional Load Capacity: Engineered with a High Capacity (HC) internal design, this bearing offers a substantial dynamic load rating of 20,768 lbf and a static load rating of 26,550 lbf, making it capable of handling severe operational demands.
- Precision and Thermal Management: Manufactured to P4A super-precision tolerances and supplied with an extra light preload, the set ensures smooth, quiet running with minimal heat generation, which is critical for maintaining accuracy in precision machinery.
7017 CE/HCP4AQBCA Bearing Typical Application Areas
This bearing is specifically engineered for the most demanding applications in:
- High-Speed Machine Tool Spindles for milling, grinding, and turning centers.
- Precision Robotics and automation equipment requiring high rigidity and accuracy.
- Aerospace & Defense Systems such as gyroscopes and radar positioning units.
- High-Performance Pumps and Compressors operating at extreme speeds.
