Explore the versatility and durability of our Miniature Ball Bearings, including models like MR52, MR63, MR83, MR74, MR84, MR104, MR85, MR95, MR105, MR115, MR106, MR126, MR117, MR137, MR128, and MR148. Designed for precision and reliability.
| Bearing number |
Bearing size |
Cr(N) |
Cor(N) |
rpm(grease ZZ) |
rpm(oil OPEN) |
weight(g) |
| MR52ZZ |
2x5x2.5 |
187 |
58 |
85000 |
100000 |
0.16 |
| MR63ZZ |
3x6x2.5 |
208 |
74 |
71000 |
80000 |
0.20 |
| MR83ZZ |
3x8x3 |
560 |
179 |
60000 |
67000 |
0.54 |
| MR74ZZ |
4x7x2.5 |
310 |
115 |
60000 |
67000 |
0.22 |
| MR84ZZ |
4x8x3 |
395 |
139 |
56000 |
67000 |
0.36 |
| MR104ZZ |
4x10x4 |
710 |
270 |
50000 |
60000 |
1.04 |
| MR85ZZ |
5x8x2.5 |
310 |
120 |
53000 |
63000 |
0.26 |
| MR95ZZ |
5x9x3 |
430 |
168 |
50000 |
60000 |
0.50 |
| MR105ZZ |
5x10x4 |
430 |
168 |
50000 |
60000 |
0.95 |
| MR115ZZ |
5x11x4 |
715 |
276 |
50000 |
56000 |
1.49 |
| MR106ZZ |
6x10x3 |
495 |
218 |
45000 |
53000 |
0.56 |
| MR126ZZ |
6x12x4 |
715 |
292 |
43000 |
50000 |
1.27 |
| MR117ZZ |
7x11x3 |
455 |
201 |
43000 |
50000 |
0.62 |
| MR137ZZ |
7x13x4 |
540 |
276 |
40000 |
48000 |
1.58 |
| MR128ZZ |
8x12x3.5 |
545 |
274 |
40000 |
48000 |
0.71 |
| MR148ZZ |
8x14x4 |
820 |
385 |
38000 |
45000 |
1.86 |
| MR84ZZ(H4) |
8x4x2 |
395 |
139 |
56000 |
67000 |
0.36 |
- Bushing-Customized sizes available to meet your specific needs.
- Flange Bearing-A wide array of items available to cater to diverse applications.
- Ball Bearing-Experience the pinnacle of quality with P6 and P5 grades, and noise levels Z2, Z3, Z4. Enjoy swift delivery times.
Ningbo Dongsheng Bearing Co., Ltd was established in 2013, strategically located in Zhenhai District, Ningbo City. We specialize in the research, development, and production of various micro bearings.
With modern production equipment and advanced bearing manufacturing technology, we are committed to excellence. Our product range includes metric and English deep groove ball bearings, stainless steel bearings, flange series bearings, plane thrust ball bearings, precision thin-wall, low-noise bearings, non-standard bearings, and pulley series. These products have inner diameters of 1-15mm and outer diameters of less than 25mm. Certified for EU environmental protection and ROHS standards, our bearings are exported globally to destinations like Hong Kong, Europe, America, South Korea, and Japan. Widely used in household appliances, instruments, micro motors, medical devices, textile machinery, electric tools, high-end toys, fishing gear, and model aircraft, our products are synonymous with quality. Navigating a competitive market, we focus on superior quality to carve out our niche. Our Production Supervisor boasts over 15 years of expertise in the bearing industry, ensuring that our motto, 'there is no best, only better,' is upheld. Continuous learning and technical visits bolster our commitment to providing superior customer satisfaction.
Our commitment to high quality and exceptional service ensures our clients gain a competitive edge in their business ventures. We warmly welcome friends from around the world to visit and collaborate with us, fostering mutual growth and success.
Equipped with state-of-the-art machinery, advanced technology, and high-precision testers, we significantly enhance processing accuracy and ensure product quality, all while reducing production cycles. Through relentless technological innovation, we continue to improve product quality, earning our customers' trust.
Dongsheng bearings are integral to various applications including automobiles, motorcycles, water pumps, electric tools, air compressors, reducers, industrial motors, generators, textile machinery, agricultural machinery, transmission equipment, and machine tools.
Our bearings also find extensive use in home appliances and office equipment such as air conditioners, washing machines, vacuum cleaners, massagers, sewing machines, range hoods, microwave ovens, copiers, and more.
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