NINGBO DONGHUANG BEARING CO.,LTD.
| Supply Ability | 100000 pcs per month |
| Delivery Time | 35 days according to quantity |
| Packaging Details | Industrial plastic tubes packing |
| Steel Material | Chrome Steel,Gcr15 |
| Rubber Seals Material | NBR/ACM/FKM+SPCC |
| Steel Balls | G10 or G5 Class |
| Cages | Steel or Plastic |
| Brand Name | VCD |
| Model Number | 6308 ZZ/2RS bearing |
| Certification | ISO9001:2000 |
| Place of Origin | Ningbo,China |
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Product Specification
| Supply Ability | 100000 pcs per month | Delivery Time | 35 days according to quantity |
| Packaging Details | Industrial plastic tubes packing | Steel Material | Chrome Steel,Gcr15 |
| Rubber Seals Material | NBR/ACM/FKM+SPCC | Steel Balls | G10 or G5 Class |
| Cages | Steel or Plastic | Brand Name | VCD |
| Model Number | 6308 ZZ/2RS bearing | Certification | ISO9001:2000 |
| Place of Origin | Ningbo,China | ||
| High Light | electric motor sleeve bearings ，deep groove roller bearing | ||
VCD's middle sized 6308 ZZ/2RS ball bearings are widely used in electric motors and other applications.Now we have established supplying relations with many electric motor manufacturers in domestic and overseas markets.
Deep groove ball bearings are particularly versatile.They are suitable for high and very high speeds, accommodate radial and axial loads in both directions and require little maintenance. Because deep groove ball bearings are the most widely used bearing type, they are available from SKF in many designs, variants and sizes.
| 6308 ZZ | Dimension:40*90*23mm |
| 6308 2RS | Dimension 40*90*23mm |
Materials of Rubber Seals.
| Name Code | Characteristics | Using Temperature |
|
NBR Acrylonitrile-butadiene rubber |
Oil resistance,heat resistance,resistance to wear | -40~120 |
|
FKM Fluorine rubber |
Hear resistant,acid and alkali resistant and chemicals, oil resistance preferred | -20~200 |
|
VMQ Silicone rubber |
Heat and cold resistance, good compression deformation is small, but the mechanical strength is not good | -60~230 |
|
ACM Polypropylene acid ester rubber |
Heat resistance, oil resistance better than NBR, but resistance to water and alkali is not strong | -20~150 |
Radial Clearance
| Bore | C2 | C0 | C3 | C4 | C5 | ||||||||
| Over | Including | ||||||||||||
| mm | Inch | mm | Inch | Min | Max | Min | Max | Min | Max | Min | Max | Min. | Max |
| 2.5 | 0.0984 | 10 | 0.3937 | 0 | 7 | 2 | 13 | 8 | 23 | 14 | 29 | 20 | 37 |
| 10 | 0.3937 | 18 | 0.7087 | 0 | 9 | 3 | 18 | 11 | 25 | 18 | 33 | 25 | 45 |
| 18 | 0.7887 | 24 | 0.9449 | 0 | 10 | 5 | 20 | 13 | 28 | 20 | 36 | 28 | 48 |
| 24 | 0.9449 | 30 | 1.1811 | 1 | 11 | 5 | 20 | 13 | 28 | 23 | 41 | 30 | 53 |
| 30 | 1.1811 | 40 | 1.5748 | 1 | 11 | 6 | 20 | 15 | 33 | 28 | 46 | 40 | 64 |
| 40 | 1.5748 | 50 | 1.9685 | 1 | 11 | 6 | 23 | 18 | 36 | 30 | 51 | 45 | 73 |
| 50 | 1.9685 | 65 | 2.5591 | 1 | 15 | 8 | 28 | 23 | 43 | 38 | 61 | 55 | 90 |
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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