MR83 2rs
MR Series Miniature Bearings
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Part No.
Part No.
MR83 2rs
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
0.51 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
8 mm
Outside diameter tolerance
-0.008mm to 0
Width
3 mm
Width tolerance
-0.12mm to 0
Inner Ring Dimensions
Inner ring type
Standard
Ball & Washer Dimensions
Ball diameter
1.2 mm
Ball quantity
7
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
76 lbf
Radial static load rating
25 lbf
Limiting speed
60 X 1000 rpm
Lubrication
Required
Radial internal clearance
MC3
Radial internal clearance
0.002mm to 0.013mm
Materials
Ring material
Chrome Steel
Ball material
Chrome 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:
$ 1.13
/ each
In Stock
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MR83 2rs Bearing Product Overview & Core Advantages
The MR83 2RS is a metric single row deep groove ball bearing designed for high-performance applications requiring reliable operation. Engineered with sealed construction and manufactured to ABEC1 precision standards, this bearing delivers excellent performance in compact spaces. Its primary advantage lies in its ability to handle radial loads efficiently while offering protection against contamination, making it ideal for applications demanding durability and consistent operation.
MR83 2rs Bearing Model Code Explained, Specifications & Naming Convention
| Suffix | Technical Meaning | Advantage |
|---|---|---|
| MR83 | Standard bearing series designation with 3mm bore, 8mm OD | Compact dimensions for space-constrained applications |
| 2RS | Double rubber contact seals on both sides | Superior contamination protection and lubricant retention |
MR83 2rs Bearing Structural Features & Performance Benefits
- Deep Groove Geometry: Optimized raceway design enables smooth operation and efficient radial load distribution across all seven precision balls
- Double Rubber Seals (2RS): Nitrile rubber contact seals provide excellent protection against dust, moisture, and other contaminants while retaining lubrication
- Stainless Steel Cage: Ensures proper ball spacing and guidance, contributing to stable operation at the limiting speed of 60,000 rpm
- Precision Manufacturing: ABEC1 tolerance class and MC3 radial clearance (0.002-0.013mm) ensure consistent performance and minimal vibration
- Chrome Steel Construction: Rings and balls made from chrome steel provide excellent wear resistance and durability across the operating temperature range of -30°C to 110°C
MR83 2rs Bearing Typical Application Areas
- Small Electric Motors: Ideal for miniature DC motors, drone motors, and precision servo motors
- Medical Devices: Suitable for surgical tools, dental handpieces, and laboratory equipment
- Office Automation: Used in printers, scanners, and copiers where compact size and reliability are critical
- Precision Instruments: Applications in optical devices, measuring instruments, and small mechanical assemblies
- Consumer Electronics: Suitable for small fans, computer peripherals, and portable devices
