NINGBO DONGHUANG BEARING CO.,LTD.
| Delivery Time | 30 working days |
| Packaging Details | Industrial plastic tube packing |
| Tolerance | ABEC-3 |
| Noise Class | Z3V3 and Z4V4 |
| Steel Balls Class | G10 or G5 |
| Cages | Steel Made |
| Rubber Seals | NBR or FKM or ACM |
| Brand Name | VCD |
| Model Number | 608 ZZ/6004 ZZ/6003 ZZ |
| Certification | ISO9001:2000 |
| Place of Origin | Cixi,Ningbo,Zhejiang,China |
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Product Specification
| Delivery Time | 30 working days | Packaging Details | Industrial plastic tube packing |
| Tolerance | ABEC-3 | Noise Class | Z3V3 and Z4V4 |
| Steel Balls Class | G10 or G5 | Cages | Steel Made |
| Rubber Seals | NBR or FKM or ACM | Brand Name | VCD |
| Model Number | 608 ZZ/6004 ZZ/6003 ZZ | Certification | ISO9001:2000 |
| Place of Origin | Cixi,Ningbo,Zhejiang,China | ||
| High Light | deep groove ball bearing ，self aligning roller bearing | ||
High RPM Power Tools Used Ball Bearings,608 ZZ/6003 ZZ/6004 ZZ,etc.High Rotation Speed and Working Temperature.
Adavantages:
1. Fast delivery
2. Competitive price
3. High performance
4. Perfect packing and aftermarket service
5. Flexiable paymnet terms
6. Famous brand all over the world
Specification
| 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 |
The size of bearing clearance directly related to the use of noise, vibration, normal temperature, service life and the assembly of machinery motion effect. Therefore, it is very important that we choose the suitable assembly bearing clearance. We divided from small to big according to radial clearance range into C2, C0, C3, C4 and C5. Specific reference see the chart:
| 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 |
| The usage situation | Use examples | Choose clearance |
| Strict control noise, vibration installation precision, high position | Instrument and equipmentRoll neck calender Low noise and small motor | C2,C0 |
| General load, speed, working temperature is not high | Transmission machinery, reducer and other general machinery | C0 |
| High temperature, high speed, high requirements for service life | Automobile generator and engine | C3 |
| Using high temperature environment, should not be the occasion of heat | Drying machine, paper making machinery, and so on | C3,C4 |
| High temperature, high speed, and large impact load |
Vibrating screen, speed gear
|
C4 |
| Inner and outer ring take the surplus interference, large volume, high temperature, heat dissipation | Vibration type pressure road, machine car rear wheel | C5 |
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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