China Abrasives Industry Hainan Corporation
| Supply Ability | 100000 sets per month |
| Packaging Details | Standard package for export |
| Number of row | Single Row |
| Cage | Steel Cage,Nylon |
| Brand Name | ZYS |
| Model Number | Nn3030 |
| Certification | ISO9001, ISO14001, OHSAS18001 |
| Place of Origin | Henan, China |
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Product Specification
| Supply Ability | 100000 sets per month | Packaging Details | Standard package for export |
| Number of row | Single Row | Cage | Steel Cage,Nylon |
| Brand Name | ZYS | Model Number | Nn3030 |
| Certification | ISO9001, ISO14001, OHSAS18001 | Place of Origin | Henan, China |
| High Light | Nn3030 Roller Ball Bearing ，Nn3030 Double Row Cylindrical Roller Bearing ，double cylindrical roller bearing | ||
China Manufacturer of Rolling Bearing Double Row Cylindrical Roller Bearings Nn3030
For the N30 series cylindrical roller bearings, the ribs are set on the inner ring, and the outer ring can be separated: while for NNU49 series cylindrical roller bearings, the ribs are set on the outer ring, and the inner ring can be separated. For double row cylindrical roller bearings, when lubricated with oil, a ring-shaped oil groove and three oil holes with symmetrical distribution are arranged in the middle of the outer ring of the bearing, marked as W33.
Double row cylindrical roller bearings have two types of bearing holes: cylindrical bore, tapered bore. Since cylindrical roller bearings with tapered bores are easy to adjust radial installation clearance after installation, the most commonly used cylindrical roller bearings in machine tools are double row cylindrical roller bearings with tapered bores. This kind of bearing can only bear large radial load, and inner and outer ring can be separated, so it is often used in combination with bidirectional thrust angular contact ball bearing which can bear axial load. ZYS can also offer single row cylindrical roller bearings.
Technical parameter of Cylindrical Roller Bearing:
Many scientific research centers, laboratory and service agencies are set in our company, including National Bearing Quality Supervision and
Inspection Center, National Bearing Accreditation Laboratory, Industrial (Rolling Bearing) Product Quality Control and Technical Evaluation
Laboratory, National Rolling Bearing Standardization Technical Committee, ISO/TC4 Domestic Technology Responsible Unit, China Bearing
Industry Association Technical Committee, Machinery Industry Occupational Skill Identification Bearing Industry Sub-center, National Rolling Bearing Industry Technology Innovation Strategic Alliance, High-end Bearing Tribology Technology and Application National Local Joint Engineering Laboratory, State Key Laboratory of Shield Machine and Boring Technology (Bearing), Machinery Industry High speed Precision Bearing Engineering Research Center, Henan Province Machine Tool Spindle Unit Engineering Research Center, Henan Province High Performance Bearing Technology Key Laboratory, National Postdoctoral Research Workstation, Henan Province Bearing Generic Technology Academician Workstation, State Intellectual Property Office Patent Exchange Station and so on. We have so far achieved 908 major scientific research achievements, among which there are 31 awards of National Invention Awards and National Science and Technology Progress Awards, and 234 awards of provincial scientific and technological achievement awards.We have attained 792 granted patents, among which there are 277 patents for inventions. In addition, we established and revised the bearing industry technical standards for over 670 times, and also issued 457 volumes of "Bearing" magazine.
ZYS Precision Bearing Quality Control and Assurance:
Austrian AICHELIN heat treatment equipment and long-life heat treatment process provide a strong guarantee for the continuous and reliable operation of bearings.
ZYS MANUFACTURING CAPACITY
Company Details
Business Type:
Manufacturer,Importer,Exporter,Trading Company,Seller
Year Established:
1988
Total Annual:
200000000-400000000
Employee Number:
100~200
Ecer Certification：
Verified Supplier
China Abrasives Industry Hainan Corporation, the predecessor was China Abrasives Import & Export Corporation, which was approved by the former National Machinery Commission and the State Import and Export Management Committee and founded in 1981. It's a leading enterprise in the import and e... China Abrasives Industry Hainan Corporation, the predecessor was China Abrasives Import & Export Corporation, which was approved by the former National Machinery Commission and the State Import and Export Management Committee and founded in 1981. It's a leading enterprise in the import and e...
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