Chemical composition
Rolling Steel: of GCr15, GB/T18254-2000 "high carbon chromium bearing steel
Unified numbering Chemical Composition,%
B00150GCr15CSiMnCr
0.95 ~ 1.050.15 ~ 0.350.25 0.451.4 1.65
Note:
A bearing residual copper content of the pipe steel (melting analysis) should be not more than 0.20%.
Two oxygen content in the determination of billet or steel.
The sulfur content of 3 steel (melting analysis) should be less than 0.020%.

Austenitic stainless steel: 1Cr18Ni9, GB, 1220-92 "stainless steel rods
Chemical Composition,%
1Cr18Ni9CSiMnPSNiCrMo
≤ 0.15 ≤ 1.00 ≤ 2.00 ≤ 0.035 ≤ 0.0308.00 ~ 10.0017.00 ~ 19.00-

Martensitic stainless steel: 9Cr18, GB, 3086-82 "carbon chromium stainless bearing steel
Chemical Composition,%
9Cr18CSiMnPSCrMo
Not more than
0.90 1.000.80.80.0350.0317.00 ~ 19.00

Material properties
Materials inside and outside the ring, ball bearing steel, stainless steel
Retainer cold rolled steel strip (SPCC BQB402), stainless steel plate (1Cr18) polyamide (nylon 66) stainless steel, polyamide, etc.
Dust cover the stainless steel plate of cold-rolled steel strip (SPCC BQB402), stainless steel plate (1Cr18)
Ring rubber (NBR, Viton) + skeleton (SPCC BQB402), PTFE (Teflon) of NBR + of SPCC BQB402, special Teflon, etc.
Feature uses the temperature of 120 ° C and 300 ℃
Rated dynamic load significantly about 80% of the bearing steel
Static load greatly about 80% of the bearing steel
Friction torque low and high
Common purpose with precision high speed with corrosion-resistant, resistant to high


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