| MATERIAL
Bearing Rings and balls are made of refined high carbon chrmium bearing steel GCr15(AISI52100) , stainless steel 9Cr18(AISI440).
Cage generally adopting brass sheer or cold eolling steel strap.Punching to be made. also having plastics, phenol aldehyde and pressrving shelf.
The shield is made by SPCC or stainless steel(1Cr18Ni19).
The seal is made by NBR imported.
Bearing ring and roler material
The best materisl for rolling high carbon chromium bearing steel.which features desired hardness,strong fatigue resting resistance and stable dimension. It is chemical composotion is:
| Chenmical composition(%) |
| NO. |
C |
Mn |
Si |
Cr |
S |
P |
Ni |
Cu |
| < |
| Gcr15 |
0.95~1.05 |
0.2~0.4 |
0.15~0.35 |
1.30~1.65 |
0.02 |
0.027 |
0.3 |
0.25 |
Corresponding Desingnation Equivalent to Gcr15
| Country. |
China |
ISO |
USA |
Germany |
Japan |
Sweden |
| Bearing steel NO. |
Gcr15 |
689/XV |
(AISI)52100 |
(DIN)100Cr6 |
(JIS)SUJ2 |
SKF3 |
|
