Product dimensional dataShaft-Size (d) 20Dimensions (mm) (in)Overall Length (a) 96 / 3.8Housing Thickness (b) 21 / 0.8Lube Hole Diameterc? / 0.0Overall Width (d) 64 / 2.5Center of Outer Race to Back of Bearing (f) 12.7 / 0.5Centerline to Base of Housing (h) 64 / 2.5Length Thru Bore (l) 31 / 1.2Width of Tapped Post (p) 40 / 1.6