NINGBO DONGHUANG BEARING CO.,LTD.
| Delivery Time | 30 days according to quantity |
| Packaging Details | Industrial Plastic Tube Packing |
| Tolerance | ABEC-3//ABEC-5 |
| Material | Gcr15 |
| Cages | Steel or Plastic |
| Balls | G10 or G5 class |
| Rubber seals | FKL//NBR//ACM |
| Brand Name | VCD |
| Model Number | 6201 2RS//6202 2RS//6204 2RS//6205 2RS |
| Certification | ISO9001:2000 |
| Place of Origin | Cixi,Ningbo,China. |
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Product Specification
| Delivery Time | 30 days according to quantity | Packaging Details | Industrial Plastic Tube Packing |
| Tolerance | ABEC-3//ABEC-5 | Material | Gcr15 |
| Cages | Steel or Plastic | Balls | G10 or G5 class |
| Rubber seals | FKL//NBR//ACM | Brand Name | VCD |
| Model Number | 6201 2RS//6202 2RS//6204 2RS//6205 2RS | Certification | ISO9001:2000 |
| Place of Origin | Cixi,Ningbo,China. | ||
| High Light | grooved roller bearing ，self aligning roller bearing | ||
6201 2RS//6202 2RS//6204 2RS//6205 2RS water pumps used ball bearings,high sealing performance and low working noise.
1. Bearing abnormal operation condition and the corresponding countermeasures
| conditions | Speculate reasons | measures |
|
Abnormal temperature rise |
Grease too much or too little | After checking, inject the right amount of lubricat |
| Load increased | Adjust load, and modify bearing clearance or cooperate with clearance | |
| Bad installation | Improve the bearing process, installation accuracy, and the size of the prestressing force | |
| Cooperate with surface peristalsis or bearing external friction | Adjust precision or change the bearing | |
|
Big vibration |
Bad installation | Fixed axis or shell with precision, and adjust the preload |
| Other things incasion | Improve the shaft and shell surface cleanliness, and improve the installation way | |
| Bearing wear or deformation | Change the bearing | |
| Oil leakage or discoloration | Too much grease or seal rickety, outside oil, water invasion, etc | Adjust the grease capacity or replace the seal form, and improve the bearing work environment |
| Big noise | Bearing damage, peel, and clearance is too large | Change the bearing |
| Other things invasion | Clean parts, replace the seal device, and use clean grease |
2. Common injury and corresponding countermeasures in bearings
| Types | Damage phenomenon | Reasons | Measures |
| Stripping | Groove surface and part of the rolling surface have damage like fish scales | Bearing internal clearance is too small. Improper or inadequate greaseAxial load changed Corrosion Bad installation | Choose the suitable internal bearing clearance to choose lubrication method and grease. To select the supporting bearing axial clearance. Comprehensive anti-rust process to bearing. Establish a reasonable accuracy |
| Outer and inner ring fracture | Interference larger , lager impact load stripping or burn extension. Cooperate with shaft or shell round is too large | Choose the suitable cooperation. Set stable load rounded corners on cooperate surface is less than bearing corner | |
| Electrolytic corrosion | Rolling surface appears edm produce the melting point, and the sureface has a small indentation | Current through the bearing produced sparks | Implement insulation in bearing. Set current bypass not through bearing |
| Rust corrosion | Bearing surface and roll surfaces are rusted | Environment humidity is bigger. There is water or corrosion material into the inernal bearing | Improve sealing device and improve bearing storage environment |
| Creep deformation | Rings movement relative axis or axial shell | Sleeve tighten is not enough. Interference shortage | Appopriate strengthen. Increase the interference |
| Holder rupture | There is distortion, wear and fracture | Shock and torque is too large. Improper lubricant. Bad installation | Reset load. To choose the suitable lubricant type. Reduce the installation error, improve installation method |
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter,Seller
Year Established:
1995
Ecer Certification：
Active Member
Ningbo DONGHUANG Bearing Co., LTD, was founded in 1995. DONGHUANG Bearing devotes to developing the inner diameter of 4mm - 60mm micro, small and medium deep groove ball bearings. The advanced automatic production lines, complete testing instruments and experimental means, the standar... Ningbo DONGHUANG Bearing Co., LTD, was founded in 1995. DONGHUANG Bearing devotes to developing the inner diameter of 4mm - 60mm micro, small and medium deep groove ball bearings. The advanced automatic production lines, complete testing instruments and experimental means, the standar...
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