SMF84 2rs
SMF Series Stainless Steel Flanged Miniature Bearings
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Basic Information
Main Dimensions
Inner Ring Dimensions
Outer Ring Dimensions
Ball & Washer Dimensions
Performance
Materials
Environment & Compliance
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SMF84 2rs Bearing Product Overview & Core Advantages
The SMF84 2RS is a metric miniature ball bearing designed for applications demanding compact size, reliable performance, and corrosion resistance. As a single row deep groove ball bearing, it is primarily engineered to support significant radial loads. Its sealed construction (2RS) with nitrile rubber contact seals effectively shields the bearing from contaminants and retains lubrication, making it a robust, low-maintenance solution for a wide operational temperature range. Manufactured entirely from stainless steel, it offers excellent corrosion resistance, enhancing its longevity in demanding environments.
SMF84 2rs Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Benefit |
|---|---|---|
| SMF84 | Standard bearing designation indicating a 4mm bore, 8mm OD, and 3mm width. | Defines the compact bearing dimensions for space-constrained designs. |
| 2RS | Bearing is fitted with two (2) Nitrile Rubber (RS) contact seals, one on each side. | Provides superior protection against dust, moisture, and other contaminants. Retains lubricant for long service life, supporting the low-maintenance characteristic. |
SMF84 2rs Bearing Structural Features & Performance Benefits
- Deep Groove Raceway & Single Row Design: The geometry of the raceways is optimized to handle not only high radial loads but also moderate axial loads in both directions, offering versatile load capacity.
- Full Stainless Steel Construction: Both rings, balls, and cage are made from stainless steel, providing excellent resistance to rust and corrosion, which is critical for applications exposed to harsh or washdown environments.
- Sealed & Lubricated for Life: The dual RS seals are low-friction contact seals that create an effective barrier. The bearing is pre-lubricated, ensuring smooth operation from the start and contributing to its maintenance-free operation within its specified speed and temperature limits.
- Precision & Stability: Manufactured to ABEC1 tolerance class with a controlled radial internal clearance (MC3), this bearing provides consistent and reliable performance for a wide range of general-purpose applications.
SMF84 2rs Bearing Typical Application Areas
The SMF84 2RS is ideally suited for small, precision mechanisms requiring reliable, long-life performance. Common applications include:
- Small Electric Motors: Used in miniature DC motors, stepper motors, and fans.
- Precision Instruments & Optical Devices: Suitable for scanners, encoders, and gauges.
- Office Automation Equipment: Found in printers, copiers, and scanners.
- Medical Devices & Dental Handpieces: Where compact size, corrosion resistance, and reliability are paramount.
- Radio Control Models & Robotics: Used in small gearboxes, wheels, and joints.
