MR148 2rs
MR Series Miniature Bearings
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Part No.
Part No.
MR148 2rs
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
2.19 g
Tolerance class
ABEC1
Seal type
Sealed
For load direction
Radial
Main Dimensions
Bore diameter
8 mm
Bore diameter tolerance
-0.008mm to 0
Outside diameter
14 mm
Outside diameter tolerance
-0.008mm to 0
Width
4 mm
Width tolerance
-0.12mm to 0
Inner Ring Dimensions
Inner ring type
Standard
Ball & Washer Dimensions
Ball diameter
1.588 mm
Ball quantity
10
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
156 lbf
Radial static load rating
70 lbf
Limiting speed
38 X 1000 rpm
Lubrication
Required
Radial internal clearance
0.002mm to 0.013mm
Radial internal clearance
MC3
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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MR148 2rs Bearing Product Overview & Core Advantages
The MR148 2RS is a metric single row deep groove ball bearing designed for reliable performance in compact applications. This sealed bearing excels in handling radial loads and offers robust operation within its specified parameters. Its key advantages include a compact design with a 8 mm bore, making it ideal for space-constrained assemblies, and integrated sealing for enhanced contamination protection, contributing to high reliability in demanding environments.
MR148 2rs Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| MR148 | Standard bearing designation indicating specific dimensions (8mm bore, 14mm OD, 4mm width). |
| 2RS | Signifies contact seals on both sides, providing superior protection against contaminants and retaining lubrication. |
MR148 2rs Bearing Structural Features & Performance Benefits
- Robust Construction & Load Capacity: Built with chrome steel rings and balls and a stainless steel cage, this bearing offers a dynamic load rating of 156 lbf and a static load rating of 70 lbf, ensuring dependable performance under radial stresses.
- Enhanced Sealing & Service Life: The Nitrile Rubber (NBR) contact seals (2RS) effectively exclude contaminants like dust and moisture while retaining lubricant. This design significantly extends service life and supports maintenance-free operation in many applications.
- Precision & Stability: Manufactured to ABEC1 tolerance class with a controlled radial internal clearance (MC3 group: 0.002mm to 0.013mm), it provides consistent running accuracy and smooth operation.
- Optimized for Compact Designs: With a minimal cross-section (4mm width) and low weight (2.19 g), it is the ideal solution for lightweight and miniaturized equipment.
MR148 2rs Bearing Typical Application Areas
- Small Electric Motors and Gearboxes
- Precision Instruments and Optical Devices
- Office Automation Equipment (e.g., Printers, Scanners)
- Medical Devices and Laboratory Equipment
- Small Fans and Blowers
- Radio-Controlled Models and Hobbyist Projects
