SFRW1-4zz
SFRW Series Stainless Steel Extended Inner Ring Flanged Miniature Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
SFRW1-4zz
Basic Information
Bearing type
Ball
System of measurement
Inch
Construction
Single Row
Weight
0.2 g
Tolerance class
ABEC1
Seal type
Shielded
For load direction
Radial
Main Dimensions
Bore diameter
0.07813"
Bore diameter tolerance
-0.0003" to 0"
Outside diameter
0.25"
Outside diameter tolerance
-0.0003" to 0"
Width
0.1406"
Width tolerance
-0.005" to 0"
Inner Ring Dimensions
Inner ring type
Extended
Inner ring width
0.1719"
Shoulder diameter inner ring
0.122"
Outer Ring Dimensions
Flange outer diameter
0.296"
Flange thickness
0.031"
Ball & Washer Dimensions
Ball diameter
0.0394"
Ball quantity
7
Performance
Temperature range
-86 to 230 °F
Radial dynamic load rating
49 lbf
Radial static load rating
15 lbf
Limiting speed
99 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:
$ 5.12
/ each
In Stock
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SFRW1-4zz Bearing Product Overview & Core Advantages
The SFRW1-4zz is a single row ball bearing designed for precision applications requiring reliable performance in a compact form factor. Manufactured entirely from stainless steel, it offers excellent corrosion resistance. This bearing is optimized for radial load applications and features shielded construction on both sides to protect against contamination. Its extended inner ring facilitates easier mounting and secure positioning, making it an ideal choice for applications demanding high reliability and a long service life.
SFRW1-4zz Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| SFRW1-4 | Specifies the bearing series and bore diameter (0.07813" / ~1.984 mm). |
| zz | Denotes shielded construction on both sides. The shields help retain lubricant and exclude larger contaminants. |
SFRW1-4zz Bearing Structural Features & Performance Benefits
- Compact & Robust Design: The single-row design with a stainless steel cage provides a compact and durable solution for space-constrained applications.
- Radial Load Capacity: Engineered to handle radial dynamic loads up to 49 lbf, making it suitable for a variety of light to moderate duty applications.
- Shielded Protection: The non-contact stainless steel shields (zz) protect the internal components from dust and debris, enhancing bearing life without significantly impacting the limiting speed of 99,000 rpm.
- Precision & Stability: Built to ABEC1 tolerance class with an MC3 radial internal clearance (0.00008" to 0.0005"), ensuring smooth and consistent operation.
- Extended Inner Ring: The extended inner ring design simplifies axial location and mounting, improving assembly accuracy and system rigidity.
SFRW1-4zz Bearing Typical Application Areas
This bearing is commonly used in:
- Precision Instruments and small medical devices
- Small Motors and miniature gearboxes
- Office automation equipment such as printers and scanners
- Radio-controlled models and drones
- Various low-torque, high-speed spindle applications
