YDTech® manufacturer of high precise low deviation cross roller rings, bearing inner races! supplier of bearing roller ring units for fishing (tackle, gear, tool) bearings in china!

standard sizes: D10.05*10.6-7*5.8, D10.05*8.9-7*5.8, D10*10-7*5.8, D12*10-8*6.5, D12.5*10-10*8.2, D10*10-7*5.8, D12.5*11-10*8.2, D12.4*11-8*6.5

we always focus on special and customized rollers which are more shorter and smaller. our main products are precision cylindrical rollers and needle rollers. we are especially professional in short cylindrical rollers for chainsaw guide bars, rollers for crossed-roller linear guide rails and crossed-roller bearings, we also make rollers for oil pumps, fishing tackle bearings, one-way bearingsair cylinders and some other use. our products are sold to USA, canada and germany.

material: GCr15,52100,100Cr6, 35CRMOV, SS440C, 420C,42CRMO,304.

hardness: HRC58-65

diameter tolerance: 0.005mm, 0.003mm, 0.002mm, 0.001mm, 0.0005mm

length tolerance:+/-0.05,+/-0.03, +0/-0.015,+/-0.01, +0/-0.005

chamfer:R0.03-R0.3mm or customize

parallelism:0.01mm, 0.005mm. perpendicularity:0.01mm, 0.005mm. face runout:0.01mm, 0.005mm. circularity:0.001mm, 0.0005mm. cylindricity:0.001mm, 0.0005mm roughness:Ra0.08um, Ra0.04um.

application: Fishing gear bearing inner ring, one-way bearing inner ring, bearing inner ring, fishing gear, fishing gear accessories, fishing gear bearing inner ring, fishing gear bearing inner ring, fishing gear one-way bearings, fishing gear, fishing wheel

we are professional manufacture of bearing rollers and cylindrical needle rollers. we produce rollers of diameter 0.5 mm to 60 mm. the rollers could satisfy the request of DIN 5402 G2 rollers.