SMF63zz
SMF Series Stainless Steel Flanged Miniature Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
SMF63zz
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
0.34 g
Tolerance class
ABEC1
Seal type
Shielded
For load direction
Radial
Main Dimensions
Bore diameter
3 mm
Bore diameter tolerance
-0.008mm to 0
Outside diameter
6 mm
Outside diameter tolerance
-0.008mm to 0
Width
2.5 mm
Width tolerance
-0.12mm to 0
Inner Ring Dimensions
Inner ring type
Standard
Outer Ring Dimensions
Flange outer diameter
7.2 mm
Flange thickness
0.6 mm
Ball & Washer Dimensions
Ball diameter
0.8 mm
Ball quantity
8
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
36 lbf
Radial static load rating
12 lbf
Limiting speed
63.9 X 1000 rpm
Lubrication
Required
Radial internal clearance
MC3
Radial internal clearance
0.002mm to 0.013mm
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
- Fast delivery
- Free shipping on orders over $200
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
SMF63zz Bearing Product Overview & Core Advantages
The SMF63zz is a miniature single row deep groove ball bearing designed for precision applications requiring compact dimensions and reliable performance. Constructed entirely from stainless steel, it offers excellent corrosion resistance. Its key advantages include the ability to handle radial loads efficiently, a high limiting speed of 63,900 rpm, and a lightweight design ideal for space-constrained assemblies. The inclusion of shielded seals helps protect the bearing's interior from contaminants, enhancing its operational lifespan.
SMF63zz Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| zz | Indicates the bearing is equipped with non-contact shields on both sides. This provides effective protection against dust and other particulate contaminants while minimizing friction, which is crucial for maintaining high-speed performance. |
| No Lubricant Suffix | The model code does not include a specific lubricant suffix, meaning lubrication is required by the user based on the specific application's speed, load, and temperature requirements. |
SMF63zz Bearing Structural Features & Performance Benefits
- Compact & Lightweight Design: With a 3 mm bore, 6 mm outer diameter, and a weight of only 0.34 g, this bearing is engineered for miniature and portable devices where space and weight are critical factors.
- Corrosion Resistance: All components, including rings, balls, cage, and shields, are made from stainless steel, making it suitable for applications exposed to moisture or corrosive environments.
- High-Speed Capability: The combination of a stainless steel cage, precision ABEC1 tolerances, and optimized internal geometry allows for a high limiting speed, making it ideal for small motors and spindles.
- Shielded Protection: The zz shields help retain lubricant and exclude contaminants, contributing to a more consistent performance and longer service life in dirty operating conditions.
SMF63zz Bearing Typical Application Areas
This miniature deep groove ball bearing is commonly used in:
- Small Precision Motors (e.g., in drones, RC models, and miniature fans)
- Medical and Dental Handpieces
- Optical Encoders and Precision Instruments
- Office Automation Equipment (e.g., printers, scanners)
- Small Power Tools and Instrumentation
