Ruland Shaft Collar, One Piece, Clamp, Bore 20mm, OD 40mm, W 31.6mm, 303 Stainless Steel - MWSPK-20-SS
This Ruland one-piece shaft collar is made of 303 stainless steel, featuring a 20mm bore and 40mm outside diameter.
Manufacturer part number: MWSPK-20-SS