YDTech® manufacturer of precision short cylindrical rollers for spacing blocks of heat resistant crossed roller bearings! supplier of super ultra thin steel rollers for metal blocks of crossed roller bearing cages in china.

standard sizes: D3.8*L1.9 ,D3.8*L2.1, D4.8*L1.9 ,D4.8*L2.1, D5.8*L2.2 ,D5.8*L2.4, D6.8*L2.3 ,D6.8*L2.4, D7.8*L2.3 ,D7.8*L2.5, D9.8*L2.2 ,D9.8*L2.4, D11.8*L3.4, D13.8*L5.6, D15.5*L5.6, D1.5*L1.40, D1.5*L1.43, D1.5*L1.45, D1.5*L1.5, D2*L1.90, D2*L1.93, D2*L1.95, D2*2L, D2.05*L1.98, D2.5*L2.4, D2.5*L2.5, D3*L2.85, D3*L2.90, D3*L2.93, D3*L2.95, D3*L3, D3.5*L3.4, D3.5L*3.5, D4*L3.85, D4*L3.90, D4*L3.93, D4*L3.95, D4*L4, D4.978*L5.563, D5*L6, D5.5*6, D6*65.6*3, D4*L3.8, D5.6*L3.1, D8*L11, D8*L9, D5.6*L3, D5.563*L3, D5.563*L3.145, D5.563*L3.15, D5*L5.08, D4.98*L5.59, D5*L7.5, D5*L3.175, D6.35*L5.59, D4.99*L5.563, D4.978*L5.563, D5.508*L3.175, D6*L11, D5.5*L6.06

application: crossed roller bearings, heat-resistant crossed roller bearings, heat-resistant bearings,cross roller bearings, high temperature bearings, cross roller bearing cages, cross roller bearings, high temperature cross bearings.

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.

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.