SMF82x 2rs
SMF Series Stainless Steel Flanged Miniature Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
SMF82x 2rs
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
0.42 g
Tolerance class
ABEC1
Seal type
Sealed
For load direction
Radial
Main Dimensions
Bore diameter
2.5 mm
Bore diameter tolerance
-0.008mm to 0
Outside diameter
8 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
9.2 mm
Flange thickness
0.6 mm
Ball & Washer Dimensions
Ball diameter
3.969 mm
Ball quantity
7
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
36 lbf
Radial static load rating
14 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:
$ 2.76
/ each
In Stock
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SMF82x 2rs Bearing Product Overview & Core Advantages
The SMF82x 2rs is a miniature metric ball bearing designed for precision applications requiring compact dimensions and reliable performance. Featuring a single row construction and integral rubber seals (2RS), this bearing is engineered to handle radial loads effectively while providing excellent protection against contamination. Its stainless steel construction throughout (rings, balls, cage) ensures superior corrosion resistance, making it ideal for applications demanding high reliability and long service life in challenging environments.
SMF82x 2rs Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| SMF82x | Series designation indicating a flanged miniature bearing with specific bore and outside diameters. |
| 2RS | Signifies contact Rubber Seals on both sides. This provides superior protection from dust and moisture ingress, enhancing bearing life and reliability. |
SMF82x 2rs Bearing Structural Features & Performance Benefits
- Compact & Robust Flange Design: The integrated flange (OD: 9.2mm) facilitates secure and simplified mounting, providing excellent axial location and increasing assembly rigidity.
- High-Speed Capability: The stainless steel cage and optimized internal geometry contribute to a high limiting speed of 63,900 rpm, suitable for demanding miniature drive systems.
- Effective Sealing & Contamination Resistance: The Nitrile rubber (2RS) seals effectively shield the internal components from contaminants, making the bearing suitable for a wide range of environments.
- Precision Performance: Manufactured to ABEC1 tolerance class with a controlled radial internal clearance (MC3: 0.002mm to 0.013mm), ensuring smooth and consistent operation.
- Corrosion Resistance: Full stainless steel construction (AISI 440C equivalent) for rings, balls, and cage provides excellent resistance to rust and corrosion.
SMF82x 2rs Bearing Typical Application Areas
This miniature flanged bearing is ideally suited for applications where space is limited and reliability is critical. Key sectors include:
- Small Precision Motors (e.g., stepper motors, coreless motors)
- Medical and Dental Handpieces
- Office Automation Equipment (e.g., printers, scanners)
- Instrumentation and Gauging Devices
- Robotics and Small Actuators
- Radio-Controlled Models and Drones
