7010 CE/HCP4ADBB
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
7010 CE/HCP4ADBB
Basic Information
System of measurement
Metric
Weight
0.46 kg
Tolerance class
P4A
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
50 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
80 mm
Outside diameter tolerance
-0.004mm to 0
Width
32 mm
Width tolerance
-0.2mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
7.938 mm
Ball quantity
21
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
5738 lbf
Radial static load rating
4770 lbf
Limiting speed
41 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
Light / Class B
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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7010 CE/HCP4ADBB Bearing Product Overview & Core Advantages
The 7010 CE/HCP4ADBB is a precision angular contact ball bearing configured as a duplex back-to-back (DB) matched pair. Engineered for applications demanding exceptional rotational accuracy and rigidity, this bearing excels at handling combined loads (simultaneous radial and axial forces). Its P4A tolerance class ensures ultra-precise dimensions and running accuracy, while the ceramic ball and phenolic cage construction contribute to superior high-speed performance and reduced weight. This pre-lubricated and preloaded set is designed for high reliability in demanding operational environments.
7010 CE/HCP4ADBB Bearing Model Code Explained, Specifications & Naming Convention
The model number 7010 CE/HCP4ADBB provides detailed technical specifications through its suffixes:
- 7010: Basic designation indicating a 50 mm bore and 80 mm outside diameter.
- C: Denotes a 15° contact angle, optimized for high axial load capacity.
- E: Signifies a reinforced cage design for enhanced structural integrity.
- HC: Indicates the use of Hybrid Ceramic balls (steel rings with ceramic balls).
- P4A: Specifies an ultra-precision tolerance class exceeding ABEC 7 standards.
- DB: Designates the bearings are supplied as a Duplex Back-to-Back matched pair.
- B: Indicates a specific Light preload (Class B) is applied to the set.
7010 CE/HCP4ADBB Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The duplex back-to-back (DB) arrangement creates a rigid, moment-resisting system capable of supporting substantial combined radial and axial loads from both directions.
- Superior High-Speed Performance: The combination of silicon nitride ceramic balls (lower density, reduced centrifugal force) and a lightweight phenolic resin cage allows for a high limiting speed of 41,000 rpm. This also reduces friction and heat generation.
- Precision Operation: Manufactured to P4A tolerance class, this bearing ensures minimal runout and vibration, which is critical for applications requiring high rotational accuracy.
- Preloaded & Ready-to-Install: The set is supplied with a light preload (Class B), eliminating internal clearance and providing immediate, precise shaft positioning without requiring complex adjustment during installation.
7010 CE/HCP4ADBB Bearing Typical Application Areas
This high-precision, high-speed bearing set is ideally suited for:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Spindles: PCB drilling and routing equipment.
- High-Frequency Motors: Spindles for electric vehicles and industrial automation.
- Aerospace & Defense Systems: Gyroscopes, radar systems, and auxiliary power units.
