MR82xzz
MR Series Miniature Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
MR82xzz
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
0.52 g
Tolerance class
ABEC1
Seal type
Shielded
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
Ball & Washer Dimensions
Ball diameter
1.588 mm
Ball quantity
6
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
107 lbf
Radial static load rating
32 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
300 Series Stainless Steel
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 1.72
/ each
In Stock
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MR82xzz Bearing Product Overview & Core Advantages
The MR82xzz is a single row deep groove ball bearing designed for applications requiring compact dimensions and reliable performance. This shielded bearing excels in handling radial loads and is engineered for high precision operation. Its miniature size (2.5mm bore) and ABEC1 tolerance class make it ideal for high-reliability, space-constrained applications. The combination of chrome steel rings and stainless steel cage ensures durability and consistent performance.
MR82xzz Bearing Model Code Explained, Specifications & Naming Convention
| Suffix | Technical Meaning | Advantage |
|---|---|---|
| zz | Non-contact steel shields on both sides | Protects against contamination while maintaining high limiting speed (60,000 rpm) |
| MC3 | Radial internal clearance group | Optimized clearance (0.002-0.013mm) for precision applications |
MR82xzz Bearing Structural Features & Performance Benefits
- High Precision Construction: Manufactured to ABEC1 tolerance class with a stainless steel cage for stable operation and reduced vibration.
- Optimized Load Capacity: Features a radial dynamic load rating of 107 lbf and static load rating of 32 lbf, providing reliable performance under radial stresses.
- Enhanced Contamination Protection: The 300 series stainless steel shields effectively exclude contaminants, extending bearing service life in demanding environments.
- Wide Temperature Range: Operates reliably from -30°C to 110°C, suitable for various industrial conditions.
MR82xzz Bearing Typical Application Areas
- Precision Instruments: Optical encoders, medical devices, and laboratory equipment
- Small Motors: Miniature DC motors, stepper motors, and fan motors
- Office Automation: Printers, scanners, and copiers
- Robotics: Small robotic joints and actuator mechanisms
- Electronics: Hard disk drives, cooling fans, and small gearboxes
