standard sizes:V3.0*2.90, V4.0*3.90, V5.0 *4.90, V6.0 *5.90, V9.0*8.9, V12.0*11.85, V15.0*14.85, V18.0*17.85.etc
chamfer:V(30°45°60°) tolerance:+/-2°, or customize 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 radius:R0.03mm, R0.3mm. 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: V(30°45°60°)chamfe series thin rollers for cross rails, linear rails, grinding rails,cross roller type linear guide. high super short rollers for cage bearings, row bearings, bead bearings, cross bearings etc.
precision cylindrical miniature pins, shafts for grinder rails, spark machine rails, wire cutting machine rails etc;
robots, optical machine, CNC machine, surface grinding machine, precision machine, precision machine, microscope, precision table, computer embroidery machine, electronic pattern machine, automatic production line, linear module, linear unit, precision cylinder, precision cylinder, 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.