... , 32 x 5 x 3, 38 x 5 x 3, 40 x 5 x 3, 50 x 5 x 3, 50 ... x 7 x 4, 55 x 7 x 4, 60 x 7 x 4, 65 x 7 x 4, 70 ... , etc. 2) Bearing Bar Pitch (center to center): 15, 30, 40, 60, 80, 90mm etc, or according to client's request and ... 30, 40, 60mm are recommended, America standard is available. 3) Cross Bar ...