SMF63 2rs
SMF Series Stainless Steel Flanged Miniature Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
SMF63 2rs
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
0.26 g
Tolerance class
ABEC1
Seal type
Sealed
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
Nitrile Rubber
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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SMF63 2rs Bearing Product Overview & Core Advantages
The SMF63 2RS is a miniature metric ball bearing designed for applications requiring compact dimensions and reliable performance. This single row deep groove ball bearing features integral rubber seals (2RS) on both sides, providing effective protection against contaminants. Constructed entirely from stainless steel, it offers excellent corrosion resistance. Its key advantages include a high limiting speed of 63,900 rpm and the ability to handle radial loads efficiently, making it ideal for high-speed, precision mechanisms where space is limited and reliability is critical.
SMF63 2rs Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| SMF63 | Indicates the bearing series and size. '63' denotes a 3mm bore, 6mm outside diameter, and 2.5mm width. |
| 2RS | Signifies that the bearing is equipped with Nitrile Rubber (NBR) Contact Seals on both sides. These seals provide superior protection against dust, moisture, and other contaminants compared to non-contact shields. |
SMF63 2rs Bearing Structural Features & Performance Benefits
- Compact & Robust Design: The single-row deep groove geometry and miniature bearing dimensions (3x6x2.5 mm) allow for integration into highly space-constrained assemblies without sacrificing performance.
- High-Speed Capability: The bearing is engineered for high-speed operation, with a limiting speed of 63,900 rpm, supported by a stable stainless steel cage and optimized internal geometry.
- Effective Sealing: The 2RS rubber seals not only protect the internal components from contamination but also help to retain lubricant, extending service life and enabling operation in less-than-ideal environments.
- Corrosion Resistance: Manufactured from stainless steel for rings, balls, and cage, this bearing is suitable for applications exposed to moisture or corrosive agents, ensuring long-term reliability.
- Precision Grade: Manufactured to ABEC1 tolerance class, ensuring consistent running accuracy and smooth operation for general precision applications.
SMF63 2rs Bearing Typical Application Areas
- Small Precision Motors: Ideal for spindle support in miniature DC motors, stepper motors, and coreless motors.
- Medical and Dental Devices: Used in handheld surgical tools, dental handpieces, and small pumps where corrosion resistance and reliability are paramount.
- Office Automation Equipment: Suitable for scanners, printers, and copiers, particularly in paper feed and scanner carriage mechanisms.
- Instrumentation and Gauges: Provides precise rotational support in various measuring devices and precision instruments.
- Radio Control Models & Drones: Used in high-speed motor shafts and gearboxes for hobbyist and professional-grade models.
