OD:62*46.5 ID:28*32 TH:37 16T Hardness:58-62 HRC
OD:90*75 ID:40 TH:30 T:25 Hardness:58-62 HRC
OD:90*75 ID:40 TH:30 T:25 硬度58-62 HRC
OD:62*46.5 ID:28*32 TH:37 16T 硬度58-62 HRC