S7214 CD/HCP4A
Hybrid Ceramic Super Precision Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
S7214 CD/HCP4A
Basic Information
System of measurement
Metric
Weight
0.97 kg
Tolerance class
P4 (ABEC-7)
Seal type
Sealed
For load direction
Angular Contact
Main Dimensions
Bore diameter
70 mm
Bore diameter tolerance
-0.007mm to 0
Outside diameter
125 mm
Outside diameter tolerance
-0.009mm to 0
Width
24 mm
Width tolerance
-0.2mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
15.875 mm
Ball quantity
16
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
15502 lbf
Radial static load rating
13162 lbf
Limiting speed
14 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:
$ 867.08
/ each
In Stock
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S7214 CD/HCP4A Bearing Product Overview & Core Advantages
The S7214 CD/HCP4A is a high-precision angular contact ball bearing designed for demanding applications requiring exceptional accuracy and performance. Engineered to accommodate combined loads (simultaneous radial and axial loads), this single bearing features a 15° contact angle for optimal thrust capacity. Its construction with ceramic balls and a phenolic cage enables superior high-speed performance and reduced rotational mass. Pre-loaded and pre-lubricated from the factory, it offers high rigidity and is ready for immediate installation in high-reliability systems.
S7214 CD/HCP4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| S7214 | Basic bearing series and size designation. |
| CD | Indicates a duplex configuration with a specific preload level for high rigidity and precise rotational accuracy. |
| HC | Signifies the use of Hybrid Ceramic balls (silicon nitride), which reduce friction, heat generation, and allow for higher speeds. |
| P4A | Denotes an ABEC-7 / P4 tolerance class, ensuring extremely tight dimensional and running accuracy for precision applications. |
S7214 CD/HCP4A Bearing Structural Features & Performance Benefits
- High Rigidity and Precision: The duplex (CD) arrangement and factory-applied preload eliminate internal clearance, providing exceptional system stiffness and minimizing axial and radial runout for superior positioning accuracy.
- Enhanced Speed and Durability: The hybrid ceramic balls are lighter and harder than steel, significantly reducing centrifugal forces and wear. Combined with the lightweight, self-lubricating phenolic cage, this enables a high limiting speed of 14,000 rpm and extended service life.
- Superior Load Capacity: The 15° contact angle is optimized to handle significant combined loads, making it suitable for applications with substantial radial and axial force components.
- Sealed and Lubricated for Life: As a sealed bearing supplied with factory-applied lubrication, it is protected from contamination and is designed for long-term, maintenance-free operation within its specified temperature range.
S7214 CD/HCP4A Bearing Typical Application Areas
This bearing is ideal for high-performance machinery where precision, speed, and reliability are critical. Key applications include:
- High-Frequency Machine Tool Spindles
- Precision Grinding Spindles
- High-Speed Motors and Drives
- Advanced Robotics and Automation
- Aerospace Actuation Systems
