Style: Type 21E inch/imperial series
Dimensions:
Shaft: 1-1/4" (31.8 mm)
Seat Bore: 47.6 mm
Seat Thickness: 11.1 mm
Working Length: 27.0 mm (As measured from the rotating face to the back of the spring, under normal compression.)
Materials:
Rubber Parts: NBR Rubber
Faces: Standard Ceramic