YDTech® manufacturer of precision short needle rolls for guides (roller linear, projector); supplier of cylindrical miniature pins, shafts for rails(grinder, spark machine, wire cutting machine) in china.

standard sizes: P1series super short cylindrical rollers: D1.5*1.40, D1.5*1.43, D1.5*1.45, D1.5*1.5, D1*0.90;

P2series thin rollers: D2*1.90, D2*1.93, D2*1.95, D2*2, D2*1.50, D2.05*1.98;

P3series short bearing pins: D3*2.85, D3*2.90, D*2.93, D3*2.95, D3*3, D3*1.9;

P4series thin needle rollers: D4*3.85, D4*3.90, D4*3.93, D4*3.95, D4*4, D4*2.7;

P5series miniature thin shafts : D5*4.8, D5*5, D5*5.5, D5*6, D5.5*6;

P6series crossed rollers: D6*5.8, D6*5.9, D6*5.93, D*5.95, D6*6, D*4.1;

P9series cross rails: D9*8.9, D9*8.93, D9*8.95, D9*6.8;

P12series thin rollers: D12*11.85, D12*11.95, D12*8.8.etc.

application: P 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,

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. circularity:0.001mm. cylindricity:0.001mm. roughness:Ra0.08um, Ra0.04um.

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.