SF624zz
SF Series Stainless Steel Flanged Miniature Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
SF624zz
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
3.54 g
Tolerance class
ABEC1
Seal type
Shielded
For load direction
Radial
Main Dimensions
Bore diameter
4 mm
Bore diameter tolerance
-0.008mm to 0
Outside diameter
13 mm
Outside diameter tolerance
-0.008mm to 0
Width
5 mm
Width tolerance
-0.12mm to 0
Inner Ring Dimensions
Inner ring type
Standard
Outer Ring Dimensions
Flange outer diameter
15 mm
Flange thickness
1 mm
Ball & Washer Dimensions
Ball diameter
2.381 mm
Ball quantity
7
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
224 lbf
Radial static load rating
79 lbf
Limiting speed
36 X 1000 rpm
Lubrication
Required
Radial internal clearance
0.002mm to 0.013mm
Radial internal clearance
MC3
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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SF624zz Bearing Product Overview & Core Advantages
The SF624zz is a miniature deep groove ball bearing engineered for precision applications requiring compact design and reliable performance. As a single row radial bearing, it efficiently handles moderate radial loads. Its stainless steel construction provides excellent corrosion resistance, making it suitable for demanding environments. The bearing is shielded (ZZ) on both sides to protect against contamination while being pre-lubricated for long-term operation. With its small bore diameter of 4 mm and lightweight design, it is ideal for applications where space and weight are critical constraints.
SF624zz Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Benefit |
|---|---|---|
| zz | Shielded on both sides | Provides effective protection against dust and debris, enhancing bearing life and reliability. |
SF624zz Bearing Structural Features & Performance Benefits
- Compact & Lightweight Design: With a width of only 5 mm and a weight of just 3.54 grams, this bearing is optimized for miniature and portable devices.
- Corrosion Resistance: Manufactured entirely from stainless steel (rings, balls, cage, and shields), it offers superior performance in humid or corrosive environments.
- Radial Load Capacity: Features a radial dynamic load rating of 224 lbf and a static load rating of 79 lbf, providing reliable support for various applications.
- High-Speed Capability: The limiting speed of 36,000 rpm and optimized stainless steel cage ensure stable operation at high rotational velocities.
- Precision & Stability: Built to ABEC1 tolerance class with a controlled radial internal clearance (MC3 group), ensuring smooth and consistent performance.
SF624zz Bearing Typical Application Areas
- Small Electric Motors and Gearboxes
- Precision Instruments and Optical Encoders
- Computer Cooling Fans and Disk Drives
- Medical Devices and Laboratory Equipment
- Radio-Controlled Models and Drones
- Office Automation Equipment
