NINGBO DONGHUANG BEARING CO.,LTD.
| Delivery Time | 30 working days |
| Packaging Details | Industrial plastic tube packing |
| Tolerance | ABEC-3 |
| Noise Class | Z1V1,Z2V2 and Z3V3 |
| Steel Balls Class | G10 or G5 |
| Cages | Steel Made |
| Rubber Seals | NBR or FKM or ACM |
| name | rolling ball bearing |
| Brand Name | VCD |
| Model Number | 6800~6810,6900~6910 |
| 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 | Z1V1,Z2V2 and Z3V3 |
| Steel Balls Class | G10 or G5 | Cages | Steel Made |
| Rubber Seals | NBR or FKM or ACM | name | rolling ball bearing |
| Brand Name | VCD | Model Number | 6800~6810,6900~6910 |
| Certification | ISO9001:2000 | Place of Origin | Cixi,Ningbo,Zhejiang,China |
| High Light | thin wall bearing ，slim section bearings | ||
Description
Deep groove ball bearing is a kind of the most common rolling bearing. The basic type of deep groove ball bearing is composed of an outer ring, a ring, a group of steel ball and a group of retainers. Deep groove ball bearing has a single row and double row two types, and also has sealed bearing and open bearing, open refers to the bearing without sealing structure,sealing type deep groove ball into the dust seal and oil seal. Dust seal cover material for steel plate stamping, plays only a simple prevent dust from entering the bearing raceway. Oil proof type contact type oil seal, can effectively prevent bearing grease inside the spillover.
Applications:
Deep groove ball bearing can be used for transmission, instruments and meters, electric machinery, household electrical appliances, internal combustion engines, transportation vehicles, agricultural machinery, construction machinery, engineering machinery, roller skate,yo-yo etc.
| 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 |
3. 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 |
4. Also can consult the table below choose bearing clearance
| 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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