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YDTech® super short cylindrical rollers for ultra thin bearings, thin wall cross roller bearings! small rollers for robot bearings, overrunning clutches, one way clutch bearings, industrial robot joints.

super short mini cylindrical rollers application: guide bars, chainsaw,lawnmower, gravity sensor, mobile phone, electronic products. overrunning clutch, wedge type one way clutch(bearing), linear guides small mini bearings, ultra-thin bearings, precision gasket shims, precision short needle rolls for displacement sensors , distance sensors , mobile direction sensors , phone gravity sensors ;cylindrical miniature pins, shafts for relay switches,band switches,photoelectric switches etc.

precision short needle rolls for displacement sensors , distance sensors , mobile direction sensors , phone gravity sensors ; cylindrical miniature pins, shafts for relay switches,band switches,photoelectric switches etc.

cylindrical rollers can be manufactured to high levels of accuracy, depending on the specific application requirements. the accuracy of cylindrical rollers refers to how closely their actual dimensions match their specified dimensions. high-accuracy cylindrical rollers are typically used in applications where precise motion or positioning is required.

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.

needle roller contour surface in the proximal surface of the slight contraction. needle and raceway contact line results can be amended to avoid damaging the edge of the stress.

Common specifications：super short mini cylindrical rollers

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OD Series SPEC：OD*Length
1.00mm series 1.00*0.50, 1.00*0.90, 1.00*1.10
2.00mm series 2.00*0.90, 2.00*1.10, 2.00*1.50
2.53mm series 2.53*1.10, 2.53*1.32, 2.53*1.42
2.57mm series 2.57*1.10, 2.57*1.32, 2.57*1.42
2.90mm series 2.90*1.10, 2.90*1.30, 2.90*1.50
3.00mm series 3.00*1.32, 3.00*1.45, 3.00*1.55
3.17mm series 3.17*1.32, 3.17*1.47, 3.17*1.55
3.17mm series 3.17*1.62, 3.17*1.97, 3.17*2.05
4.00mm series 4.00*1.40, 4.00*1.50, 4.00*2.00
5.00mm series 5.00*1.90, 5.00*3.50, 5.50*3.03
6.00 mm series 6.00*4.30, 6.30*4.40, 6.50*4.30
8.00 mm series 8.00*3.72, 8.00*4.60, 8.00*6.00
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Common main parameters：：super short mini cylindrical rollers

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Item Spec
Material: GCR15, AISI52001, 100CR6
Hardness HRC60-6
OD tolerance +/-0.005mm
Length tolerance+/-0.03mm
Parallelism 0.02mm
Perpendicularity 0.02mm
Endface runout 0.02mm
Roundness 0.003mm
Roughness Ra0.16um
needle rollers, short rollers, miniature sharts, needle rollers suppliers, precision shafts
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