Product Description
The MR105 miniature deep groove ball bearing delivers precision engineering and reliable performance for compact mechanical applications. This bearing provides a dynamic load rating of 498 N and AISI 52100 steel construction for durability and extended service life. Available with steel or ceramic ball options, the MR105 is a direct replacement bearing compatible with major bearing manufacturers including NSK, NTN, and EZO product lines.
Specifications
Material & Construction
| Inner/Outer Ring Material | AISI 52100 bearing steel |
| Ball Material | AISI 52100 steel or Si3N4 ceramic (optional) |
| Cage Material | Steel |
Dimensions & Performance
| Dynamic Load Rating | 498 N |
Part Numbers & Compatibility
| Part Number | MR105 |
| Cross-Reference Part Numbers | MR105ZZ (double shielded); compatible with NSK MR105, NTN MR105, EZO MR105 |
| Compatible Bearing Manufacturers | NSK, NTN, EZO, NSK Micro Precision |
Frequently Asked Questions
Q: What are the key specifications of the MR105 bearing?
A: The MR105 is a miniature deep groove ball bearing with AISI 52100 steel construction. The bearing is available with AISI 52100 steel balls or Si3N4 ceramic ball options.
Q: What bearing manufacturers does the MR105 replace?
A: The MR105 is compatible with bearings from NSK, NTN, EZO, and NSK Micro Precision. It is equivalent to MR105 and MR105ZZ (double shielded) part numbers across these manufacturers.
Q: What is the difference between the open and capped versions?
A: The MR105 is available in two configurations: open design for applications requiring maximum internal clearance, or capped design with integrated shields to protect against contaminants and provide additional retention.
Q: What cross-reference part numbers are equivalent to the 0000-MO-X105?
A: The 0000-MO-X105 is equivalent to the MR105 and MR105ZZ designations. It provides direct replacement compatibility with NSK MR105, NTN MR105, and EZO MR105 bearings.
Q: What applications is the MR105 suitable for?
A: The MR105 miniature bearing is designed for compact mechanical assemblies, precision instruments, small electric motors, medical devices, and other light-duty applications requiring durable, low-noise performance.
Q: How should the MR105 bearing be stored?
A: Store the bearing in a cool, dry environment away from moisture and corrosive substances. Keep in original packaging when possible to protect against dust and contamination. Avoid extreme temperature fluctuations and maintain storage humidity below 60% for optimal bearing longevity.
