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Ningbo KaiCheng Bearings Manufactory Co.,Ltd.
 
 
NingBo KaiCheng Bearings Manufacturing Co., Ltd. founded in 1988, It's specialized in manufacturing deep groove ball bearings, tapered roller bearings, automobile bearings, bearing collar and roller material, bearing collar etc. The high speed and low noise bearings is our mainly produces of EMQ bearings. We are own our brand of "CIE", It is of advanced productive technique, consummate device and complete testing means. As well as we have powerful strength for new products, bearing collar and roller material, bearing collar and special bearings development. Form last year, We are sales about Seventy million US$ for export, About 90% produce in our factory is for export.

-->>Our Main products: bearing collar, bearing vibration noise specification, bearing clearance, bearing tolerance, dustproof, 6000, 6200, 6300, 6400, 6700, 6800, 6900, 16000 series, minitype series, r minitype series, gear box bearing, special bearing, nylon window pulley, plastic pulley, conveyor bearing for roller, conveyor wheel, pressed thrust bearing, pressed bearing, carbon steel bearing, steel, DAC type double row, 2nd generation hub unit, taper roller bearing, double-row taper roller, ball drives, auto clutch release, auto steering, auto tension pulley, water pump, flange bearing, rear shaft locking collar, double row angular, needle roller bearing, radial needle rooler and cage assembly, roller bearing, inner ring, axial needle roller, radial needle and cage assemblies for pin, axial bearing washer, needle bearing for automotive, radial spherical plain, rod end, bearings Unit, cylindrical roller bearings, linear bearing, thrust bearing, self aligning ball bearing, angular contact ball bearing, cv joint, bushing. Or go to index.
 
     
bearing collar
 
 
Bearing collar and roller material
The best material for rolling bearing is high carbon chromium bearing steel, which features desired hardness, strong rolling fatigue resistance, wearing resistance and stable dimension. Its chemical composition is:

Chemical composition of bearing steel GCr1

Element(wt%) C
0.95-1.05
Cr
1.40-1.65
Si
0.15-0.35
Mn
0.25-0.45
P
=0.027
S
=0.02
Element(wt%) Ni
<0.23
Cu
=0.25
Mo
=0.1
Sn
<0.03
As
<0.04
Ti
<0.005
Element(wt%) Sb
<0.002
Pb
<0.002
O<0.001 Al
<0.05
Ca
<0.01
-

Corresponding designation equivalent GCr15
CHINA ISO USA GERMANY JAPAN SWEDEN
GCr15 683/XV? 52100
(ASTM)
100Cr6
(DIN)
SUJ2
(JIS)
SKF3

Staintess steel
Steel No. Chemical composition%
C Si Mn P S Cr Mo
AISI-440C 0.95-1.2 <1.0 <1.0 <0.04 <0.03 16-18 <0.75

Details: See details
Detailed information pls visit: http://www.bearingcie.com/bearing_collar_and_roller_material.htm

 
 
Contact Us
     

Tel: 0086-574-63886003 Fax: 0086-574-63105608 E-mail: bearingcie#bearingcie.com (Pls change # to @)

 
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