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Bearing Materials
The rings ball of NZSB deep groove ball bearings are made of refined high carbon chrome bearing steel Gcr15 (AISI52100) or staninless steel 9Cr18 (AISI440C)
Chemical composition %
|
Steel No |
C |
Cr |
Si |
Mn |
P |
S |
Cu |
Ni |
Mo |
|
GCr15 |
0.95-1.05 |
1.40-1.65 |
0.15-0.35 |
0.25-0.45 |
<=0.025 |
<=0.025 |
<=0.25 |
<=0.30 |
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