MR84zz
MR Series Miniature Bearings
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Basic Information
Main Dimensions
Inner Ring Dimensions
Ball & Washer Dimensions
Performance
Materials
Environment & Compliance
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MR84zz Bearing Product Overview & Core Advantages
The MR84zz is a metric miniature ball bearing featuring a single row design with shielded construction. Engineered for radial load applications, this precision component offers reliable performance in compact spaces. Its ABEC1 tolerance class ensures consistent operation, making it suitable for applications demanding high rotational accuracy and smooth motion control.
MR84zz Bearing Model Code Explained, Specifications & Naming Convention
| Suffix | Technical Meaning | Advantage |
|---|---|---|
| zz | Double Shielded (Both Sides) | Provides effective contamination protection while maintaining low torque characteristics |
| - | Standard Chrome Steel Construction | Offers excellent wear resistance and durability |
MR84zz Bearing Structural Features & Performance Benefits
Compact Design: With dimensions of 4mm bore × 8mm OD × 3mm width and weighing only 0.56g, this bearing is ideal for space-constrained applications.
Precision Engineering: The stainless steel cage and 7 precision balls (1.2mm diameter) ensure smooth operation and reduced vibration.
Shielded Protection: 300 series stainless steel shields provide contamination resistance while allowing for high-speed operation up to 56,000 rpm.
Load Capacity: Rated for radial dynamic load of 76 lbf and radial static load of 25 lbf, suitable for various mechanical applications.
Clearance Control: MC3 radial internal clearance (0.002mm to 0.013mm) ensures optimal performance across different operating conditions.
MR84zz Bearing Typical Application Areas
- Small DC Motors and precision motor applications
- Medical Devices and laboratory equipment
- Office Automation equipment including printers and scanners
- Robotics and miniature mechanical assemblies
- Instrumentation and measurement devices
- Consumer Electronics requiring compact bearing solutions
