Classification: 
36*20*5*7 oil seal + nylon retaining bowl pair 
36*22*5*7 oil seal + nylon retaining bowl pair 
32*18*5*7 oil seal + nylon retaining bowl pair 
31*15*5* 7 oil seal + nylon retaining bowl pair 
30*15*5*7 oil seal + nylon retaining bowl pair 
25*15*4*6 oil seal + nylon retaining bowl pair 
24*14*4*6 oil seal + nylon retaining bowl pair

Specifications: outer diameter * inner diameter * thickness * total thickness