YDTech® manufacturer of nonslip short needle rolls for medical equipment, microscope, table, embroidery machine, pattern machine, automation, pneumatic finger; supplier of cross rail thin rollers, pins,for linear(modules, units, guides) in china.

standard sizes:D1.5*L0.90, D2*L1.1, D3*L1.9, D*L1.8, D3*L1.1, D4*L2.7, D4*L2.4, D5*L3.5, D6*L4.0, D6*L4.3, D6*L4.4, D9*L5.6, D9*L6.8, D12*L8.8etc

material: GCR15, SUJ2, AISI5200, 100Cr6, SUS440C. 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: cross roller linear guides, cross rail cage, cross roller bearings, projector rails, grinder rails, roller linear guides, wire cutting guides, bearing type linear guides, linear guides.

optical machine, CNC machine, surface grinding machine, precision machines, robots, microscope, precision table, computer embroidery machinee, electronic pattern machinee, automatic production line, linear modulee, linear unit, precision cylinders, pneumatic fingers,

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.