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About Us
Ningbo Zhenhai Jinjinnaichi (NJJ) Bearing Co., Ltd. is a national high-tech enterprise specializing in the production of small-sized thin-wall low-noise deep-groove ball bearings.
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The company insists on relying on technological progress, adopting advanced technology and introducing advanced equipment, and is committed to the development and development of low noise bearings.
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Now has more than 130 automatic production lines, equipped with a full set of advanced bearing testing equipment, has a full set of automatic assembly line, the use of automatic line in one step.
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At present, the company selects the high-quality supplier resources in the industry, supporting the supply of bearing steel, steel ball, cage, dust cover and a series of raw materials
MR137ZZ | Metric Miniature Deep Groove Ball Bearing
Product output: master the core technology and exclusive product matching, cost-effective matching quality products;
Service output: set design, research and development, production, sales, service in one of the transmission system integration services;
Technical output: with independent independent transmission system overall research and development design capabilities, to provide technical support for the car factory.
Key words:
Deep Groove Ball Bearing MR Series
Product Classification:
Mailbox:njjbearing@gmail.com
Mobile:0086-574-86583010
Product Details
Product output: master the core technology and exclusive product matching, cost-effective matching quality products;
Service output: set design, research and development, production, sales, service in one of the transmission system integration services;
Technical output: with independent independent transmission system overall research and development design capabilities, to provide technical support for the car factory.
MR Series bearings have small friction coefficient, high limit speed, simple structure, low manufacturing cost, and relatively easy to achieve higher accuracy. It is the most widely used bearing in the machinery industry, which is used in precision instrument, low noise motor, automobile, motorcycle and general machinery industry. Mainly bear radial load, can also bear a certain amount of axial load. When the radial clearance of the bearing is increased, the performance of angular contact ball bearing can withstand the combined radial and axial load. When the speed is high and not suitable for using thrust bearings, it can be used to bear pure axial load. Compared with other types of bearings with the same size and specification of deep groove ball bearings, this kind of bearings has small friction coefficient and high limit speed. But not impact resistant, not suitable to bear heavy loads.
Size
| Inner Diameter | Outer Diameter | Width | Chamter | BearingType | Basic Load | |||||||
| Open Type | Sealing Type | |||||||||||
| d | D | B | rs(min) | Cr | Cor | |||||||
| mm | inch | mm | inch | mm | inch | mm | inch | mm | inch | N | ||
| 2 | 0.0787 | 5 | 0.1969 | 2 | 0.0787 | 2.5 | 0.0984 | 0.1 | 0.0039 | MR52 | 189 | 59 |
| 3 | 0.1181 | 6 | 0.2362 | 2 | 0.0787 | 2.5 | 0.0984 | 0.1 | 0.0039 | MR63 | 209 | 73 |
| 4 | 0.1575 | 7 | 0.2756 | 2 | 0.0787 | 2.5 | 0.0984 | 0.1 | 0.0039 | MR74 | 223 | 88 |
| 4 | 0.1575 | 8 | 0.315 | 2 | 0.0787 | 3 | 0.1181 | 0.1 | 0.0039 | MR84 | 395 | 140 |
| 4 | 0.1575 | 10 | 0.3937 | 3 | 0.1181 | 4 | 0.1575 | 0.15 | 0.0059 | MR104 | 540 | 222 |
| 5 | 0.1969 | 8 | 0.315 | 2 | 0.0787 | 2.5 | 0.0984 | 0.1 | 0.039 | MR85 | 218 | 91 |
| 5 | 0.1969 | 9 | 0.3543 | - | - | 3 | 0.1181 | 0.15 | 0.0059 | MR95 | 432 | 168 |
| 5 | 0.1969 | 10 | 0.3937 | 3 | 0.1181 | 4 | 0.1575 | 0.15 | 0.0059 | MR105 | 540 | 222 |
| 5 | 0.1969 | 11 | 0.4331 | 4 | 0.1575 | 4 | 0.1575 | 0.15 | 0.0059 | MR115 | 715 | 276 |
| 6 | 0.2362 | 10 | 0.3937 | 2.5 | 0.0984 | 3 | 0.1181 | 0.1 | 0.0039 | MR106 | 497 | 219 |
| 6 | 0.2362 | 12 | 0.4724 | 3 | 0.1181 | 4 | 0.1575 | 0.15 | 0.0059 | MR126 | 716 | 293 |
| 7 | 0.2756 | 11 | 0.4331 | 2.5 | 0.0984 | 3 | 0.1181 | 0.15 | 0.0059 | MR117 | 457 | 201 |
| 7 | 0.2756 | 13 | 0.5118 | 3 | 0.1181 | 4 | 0.1575 | 0.15 | 0.0059 | MR137 | 770 | 339 |
| 8 | 0.315 | 12 | 0.4724 | 2.5 | 0.0984 | 3.5 | 0.1378 | 0.15 | 0.0059 | MR128 | 544 | 275 |
| 8 | 0.315 | 14 | 0.5512 | 3.5 | 0.1378 | 4 | 0.1575 | 0.15 | 0.0059 | MR148 | 763 | 348 |
| Model NO | Inside diameter(mm) | Outside diameter(mm) | Height(mm) | Dynamic load(N) | Static load(N) |
| MR84 | 4 | 8 | 3 | 395 | 140 |
| MR85 | 5 | 8 | 2.5 | 218 | 91 |
| MR95 | 5 | 9 | 3 | 432 | 168 |
| MR104 | 4 | 10 | 4 | 540 | 222 |
| MR105 | 5 | 10 | 4 | 540 | 222 |
| MR106 | 6 | 10 | 3 | 497 | 2199 |
| MR115 | 5 | 11 | 4 | 715 | 276 |
| MR117 | 7 | 11 | 3 | 457 | 201 |
| MR126 | 6 | 12 | 4 | 716 | 293 |
| MR128 | 8 | 12 | 3.5 | 544 | 275 |
| MR137 | 7 | 13 | 4 | 770 | 339 |
| MR148 | 8 | 14 | 4 | 763 | 348 |
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SERVICE HOTLINE
Add:No. 9, Fengshuidun Road, Luotuo Street, Zhenhai District, Ningbo City
Tel：0086-574-86583010
Fax：0086-574-86575268
Mob：+86 15869336060
E-mail：njjbearing@gmail.com
WhatsAPP：+008615869336060/+0086 15857406704
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