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CSK Small Precision Ball Bearings , One Way Roller Bearing Plastic Cages

Categories	Washing Machine Bearings
Brand Name:	VCD
Model Number:	CSK201/CSK202/CSK203
Certification:	ISO9001:2000
Place of Origin:	Cixi,Ningbo,Zhejiang,China.
MOQ:	50000
Delivery Time:	45 working days
Packaging Details:	Industrial Tube Packing
Material:	GCR15
Quality Class:	Z3V3/Z4V4
Balls Class:	G10 or G5
Cages:	Plastic
Rubber seals:	NBR
name:	one way roller bearing

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NINGBO DONGHUANG BEARING CO.,LTD.

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CSK Small Precision Ball Bearings , One Way Roller Bearing Plastic Cages

1. Bearing Seal

Bearing seal form into dust cover and plastic material seal. There are various types of seal. Because of different seal material, bearing to adapt condition will also change.

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

2.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		C2		C0		C3		C4		C5
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

3.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

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CSK Small Precision Ball Bearings , One Way Roller Bearing Plastic Cages

CSK Small Precision Ball Bearings , One Way Roller Bearing Plastic Cages

CSK Small Precision Ball Bearings , One Way Roller Bearing Plastic Cages

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CSK Small Precision Ball Bearings , One Way Roller Bearing Plastic Cages