7001 CE/HCP4ADBA
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
7001 CE/HCP4ADBA
Basic Information
System of measurement
Metric
Weight
0.038 kg
Tolerance class
P4A
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
12 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
28 mm
Outside diameter tolerance
-0.004mm to 0
Width
16 mm
Width tolerance
-0.2mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
3.969 mm
Ball quantity
12
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
1170 lbf
Radial static load rating
596 lbf
Limiting speed
100 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Duplex Back-to-Back (DB)
Number of bearings in matched set
2
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
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7001 CE/HCP4ADBA Bearing Product Overview & Core Advantages
The 7001 CE/HCP4ADBA is a precision angular contact ball bearing designed for demanding applications requiring exceptional accuracy and performance. This duplex back-to-back (DB) matched set offers superior high rigidity and can accommodate combined radial and axial loads. Manufactured to a P4A tolerance class, it features a ceramic ball and phenolic cage construction, making it ideal for high-speed operation and applications where low friction and minimal heat generation are critical. The pre-lubricated design ensures immediate operation and long service life.
7001 CE/HCP4ADBA Bearing Model Code Explained, Specifications & Naming Convention
The model number 7001 CE/HCP4ADBA provides detailed technical specifications:
- 7001: Basic bearing series, indicating a 12mm bore, 28mm outside diameter, and 16mm width.
- C: Denotes a 15° contact angle, optimized for high-speed applications with axial loads.
- E: Signifies a high-precision P4A tolerance class for exceptional running accuracy.
- HC: Indicates the use of Hybrid Ceramic components (ceramic balls with steel rings).
- P4A: Reinforces the ultra-precision tolerance class designation.
- DB: Specifies the bearing set is Duplex Back-to-Back matched, providing high moment rigidity.
- A: Identifies the Extra Light preload level within the matched set.
7001 CE/HCP4ADBA Bearing Structural Features & Performance Benefits
The design of the 7001 CE/HCP4ADBA delivers distinct performance advantages:
- High Rigidity & Stability: The duplex back-to-back (DB) arrangement creates a rigid bearing system that effectively resists moment loads, ensuring precise shaft positioning and minimal deflection under load.
- Superior High-Speed Performance: The combination of ceramic balls (lower density, reduced centrifugal force) and a lightweight phenolic resin cage allows for significantly higher limiting speeds (up to 100,000 rpm) with less friction and heat generation compared to all-steel bearings.
- Precision & Accuracy: Manufactured to P4A tolerance standards, this bearing guarantees extremely tight dimensional and running accuracy, which is essential for applications like high-speed spindles.
- Extended Service Life: The hybrid ceramic construction offers excellent wear resistance and is less susceptible to lubrication starvation, contributing to a longer operational lifespan, especially in challenging environments.
7001 CE/HCP4ADBA Bearing Typical Application Areas
This high-precision, high-speed bearing is ideally suited for:
- Machine Tool Spindles: High-speed machining centers, grinding spindles, and PCB drilling machines.
- Precision Instruments: Optical scanners, coordinate measuring machines (CMM), and laboratory equipment.
- High-Speed Motors: Spindles for routers, dental handpieces, and small turbochargers.
- Aerospace & Defense: Gyroscopes, navigation systems, and other critical guidance mechanisms.
