211SFF-HYB#1
High-Performance Custom Hybrid Ceramic Bearings (#1 Series)
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Part No.
Part No.
211SFF-HYB#1
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
0.66 kg
Tolerance class
ABEC 1 | ISO P0
Seal type
Open
For load direction
Radial
Main Dimensions
Bore diameter
55 mm
Bore diameter tolerance
-0.015mm to 0
Outside diameter
100 mm
Outside diameter tolerance
-0.015mm to 0
Width
21 mm
Width tolerance
-0.15mm to 0
Performance
Temperature range
-30°to 120 °C
Radial dynamic load rating
10881 lbf
Radial static load rating
9892 lbf
Limiting speed
7 X 1000 rpm
Lubrication
None
Radial internal clearance
CN
Materials
Ring material
Chrome Steel
Ball material
Ceramic
Cage material
Chrome Steel
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 111.07
/ each
In Stock
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211SFF-HYB#1 Bearing Product Overview & Core Advantages
The 211SFF-HYB#1 is a precision single row deep groove ball bearing engineered for demanding applications requiring high reliability and consistent performance. This metric bearing features a unique hybrid ceramic ball construction, combining chrome steel rings with silicon nitride balls for superior operational characteristics. Its primary advantages include extended service life, the ability to operate at higher speeds compared to all-steel equivalents, and reduced friction. Designed to primarily handle radial loads, its open design allows for versatile lubrication options and easy maintenance access in high-performance systems.
Model Code Breakdown
| Code Segment | Technical Meaning |
|---|---|
| 211 | Basic bearing series designation, indicating the boundary dimensions (55mm bore, 100mm OD, 21mm width). |
| SFF | Manufacturer-specific code, typically denoting special features or a specific product line. |
| HYB | Indicates Hybrid construction, featuring steel rings and ceramic balls (silicon nitride). |
| #1 | Variant or revision identifier for the specific hybrid configuration. |
211SFF-HYB#1 Bearing Structural Features & Performance Benefits
- Hybrid Ceramic Design: The use of silicon nitride balls significantly reduces friction and heat generation, enabling a limiting speed of 7,000 rpm. This construction also provides superior electrical resistance and reduced weight compared to all-steel bearings.
- High Precision & Rigidity: Manufactured to ABEC 1 / ISO P0 tolerance class with strict dimensional tolerances, ensuring precise shaft positioning and high operational rigidity.
- Robust Load Capacity: With a dynamic load rating of 10,881 lbf and a static load rating of 9,892 lbf, it offers reliable performance under significant radial loads.
- Wide Operating Range: The chrome steel and ceramic components allow for a broad temperature range from -30°C to 120°C, suitable for various industrial environments.
- Standard Internal Clearance: The CN radial internal clearance is the standard group, making it suitable for a wide array of common applications and mounting conditions.
211SFF-HYB#1 Bearing Typical Application Areas
This bearing is ideally suited for applications demanding high speed, reduced friction, and extended life. Key industries and equipment include:
- High-Speed Spindles in machining centers and precision grinding machines
- Electric Motors and generators, particularly where electrical insulation is beneficial
- Turbochargers and other high-rotational-speed automotive or aerospace components
- Medical Equipment such as dental handpieces and high-speed centrifuges
- Cleanroom and Semiconductor Manufacturing Equipment where low outgassing and high reliability are critical
