... ) d.best price 1.comprehensive type and range in dimension. Flat bearing bar : all range 19X3,19X5, 20X3,20X4,20X5,25X3,25X4 ... .5,25X4.7,25X5,.....40X8,40X10,......90X6,...... Pitch of Bearing Bar(mm): 12.5, 15, 20, 30, 30.6, 32.5 ... , 34.8, 35.3, 40, 60, 80,...... Pitch of Cross bar(mm): 38.1, 50, 50.8, 70, 75, 80, 100 ...