... weight(kg) With componentsPrice per set(without bearing)BK-642 X 20 X 25 0.10Bearing, support blocks ... 86Bearing, support blocks, nuts, cover, sleeve 140.00 BK-1580 X 25 X 50 1.11Bearing, support blocks ... 24Bearing, support blocks, nuts, cover, sleeve 220.00 BK-25105 X 48 X68 2.91Bearing, support blocks, nuts ... 0.46Bearing, support blocks, nuts, cover, sleeve 210.00BM 2028 X 28 X 20 1.32Bearing, support ...