Rotary Shaft Seal CORTECO 12020475 31x55x7 FPM BASLRDX7 Oil Seal Reference: 12020475 Availability: 93 pcs. Mark: CORTECO Diameter in. (mm): 31 Diameter out. (mm): 55 Height (mm): 7 Package: 1 pcs. €4.58 (net) Price for: 1pcs.