SFR2-5zz
SFR Series Stainless Steel Flanged Miniature Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
SFR2-5zz
Basic Information
Bearing type
Ball
System of measurement
Inch
Construction
Single Row
Weight
0.84 g
Tolerance class
ABEC1
Seal type
Shielded
For load direction
Radial
Main Dimensions
Bore diameter
0.125"
Bore diameter tolerance
-0.0003" to 0"
Outside diameter
0.3125"
Outside diameter tolerance
-0.0003" to 0"
Width
0.1406"
Width tolerance
-0.005" to 0"
Inner Ring Dimensions
Inner ring type
Standard
Outer Ring Dimensions
Flange outer diameter
0.359"
Flange thickness
0.031"
Ball & Washer Dimensions
Ball diameter
0.06252"
Ball quantity
6
Performance
Temperature range
-86 to 230 °F
Radial dynamic load rating
96 lbf
Radial static load rating
29 lbf
Limiting speed
54 X 1000 rpm
Lubrication
Required
Radial internal clearance
MC3
Radial internal clearance
0.00008" to 0.0005"
Materials
Ring material
Stainless Steel
Ball material
Stainless Steel
Cage material
Stainless Steel
Shield material
300 Series Stainless Steel
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 1.59
/ each
In Stock
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SFR2-5zz Bearing Product Overview & Core Advantages
The SFR2-5zz is a precision miniature ball bearing designed for demanding applications requiring high reliability in compact spaces. As a single row deep groove ball bearing, it excels at handling radial loads while also accommodating moderate axial loads. Manufactured entirely from stainless steel and featuring integral shields, this bearing offers excellent corrosion resistance and is ideal for high-speed, low-torque operations where precision and longevity are critical.
SFR2-5zz Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Advantage |
|---|---|---|
| zz | Shielded on both sides | Provides effective contamination protection, retaining lubrication and extending service life in dusty environments. |
| (Implied) | Stainless Steel Construction | Offers superior corrosion resistance, making it suitable for harsh or washdown environments. |
SFR2-5zz Bearing Structural Features & Performance Benefits
- High-Speed Capability: The optimized stainless steel cage and balanced design contribute to a high limiting speed of 54,000 rpm, enabling smooth operation in demanding applications.
- Robust Load Capacity: With a dynamic load rating of 96 lbf and a static load rating of 29 lbf, this bearing provides reliable performance under significant radial loads.
- Precision Engineering: Manufactured to ABEC1 tolerance class with a controlled radial internal clearance (MC3), ensuring consistent running accuracy and low vibration.
- Compact & Lightweight Design: The miniature bearing dimensions (0.125" bore x 0.3125" OD) and low weight of 0.84 grams make it ideal for space-constrained applications.
- Flanged Option: The integrated flange (0.359" OD) simplifies mounting and positioning, enhancing design flexibility and assembly accuracy.
SFR2-5zz Bearing Typical Application Areas
- Precision Instruments: Optical encoders, medical devices, and laboratory equipment.
- Small Motors & Drives: Stepper motors, miniature DC motors, and fan motors.
- Office Automation: Printers, scanners, and copiers.
- Robotics & Automation: Small robotic joints, conveyor system guides, and positioning stages.
- Consumer Electronics: Durable goods requiring reliable, long-life miniature bearings.
