Open Cover Miniature Ball Bearings Mr52 Mr63

• Customization: Available
• Precision: P5 P6 P0
• Noise Level: Zv1 Zv2 Zv3 Zv4
• Model NO.: MR52 MR63 MR83 MR74 MR84 MR104 MR85 MR95 MR105 MR1
• Cover: Open, Zz, 2RS
• Cage: Nylon, Metal
• Transport Package: Plastic Tube, Carton
• Specification: 2x5x2.5 3x6x2.5 3x8x3 4x7x2.5 4x8x2 4x8x3 4x10x4
• Trademark: No
• Origin: Ningbo, China
• HS Code: 8482102000
• Production Capacity: 60000000PCS/Year

Product Description

Discover the exceptional range of our miniature ball bearings including MR52, MR63, MR83, MR74, MR84, MR104, MR85, MR95, MR105, MR115, MR106, MR126, MR117, MR137, MR128, and MR148. Engineered for precision and performance.

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

Detailed Photos

1. Bushing—customized sizes are available to meet your specific needs.
2. Flange Bearings—offering a wide variety of items to choose from.
3. Ball Bearings—crafted to meet high standards of P6, P5 with noise levels Z2, Z3, Z4, and ensuring quick delivery.

Established in 2013, Ningbo Dongsheng Bearing Co., Ltd., located in Zhenhai District, Ningbo City, excels in the innovation, development, and production of various micro bearings.

Our company boasts state-of-the-art production facilities and cutting-edge bearing manufacturing technology. We aim for excellence with a scientific approach to quality. Our main products include 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 with inner diameters of 1-15mm and outer diameters of less than 25mm. Certified by EU environmental protection standards and ROHS, our products are exported to Hong Kong, Europe, America, South Korea, Japan, and other regions. They find extensive applications in household appliances, instruments, micro motors, medical devices, textile machinery, electric tools, high-end toys, fishing gear, model aircraft, and more. In a rapidly evolving market with heightened competition and price transparency, we focus on quality to secure our market position. Our production supervisor, with over 15 years of industry experience, emphasizes continuous improvement: "there is no best, but better." We actively participate in industry visits and learning opportunities to ensure customer satisfaction.

We are dedicated to providing high-quality products and exceptional service to our clients. Our superior products are designed to enhance your business operations. We welcome friends from around the globe to visit and engage with us for mutual growth and collaboration.

Equipped with advanced technology and high-precision testing instruments, we significantly enhance processing accuracy and ensure superior product quality. Our efforts in technological innovation not only shorten production cycles but also continually improve product quality, earning customer trust.

Dongsheng bearings are extensively used in automobiles, motorcycles, water pumps, electric tools, air compressors, reducers, industrial motors, generators, textile machinery, agricultural machinery, transmission equipment, machine tools, and more.

In addition, Dongsheng bearings are integral to home appliances and office equipment, including air conditioners, washing machines, vacuum cleaners, massagers, sewing machines, range hoods, microwave ovens, copiers, and more.

Company Profile