ultra short cylindrical rollers for thin bearing, clutches and subminiature motor! high super precision superfine needle rollers ! ultra short small cylindrical rollers miniature superfine needle rollers manufacture!

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where's precision ultra short small cylindrical rollers miniature superfine needle rollers supplier? how to buy high super ultra short cylindrical rollers for thin bearing, clutches and subminiature motor?

we manufacture high super short cylindrical rollers, the minimum diameter 0.5mm, and we supply super short cylindrical rollers, such as 0.5*0.8mm.1.0*1.0mm, 1.5*1.5mm, 1.5*1.2, 2.0*2.0mm, 2.0*1.2,.0*1.5,3.0*3.0mm,3.0*2.5, 3.0*2.2, 3.0*1.5, 3.5*3.5mm, 3.5*3.0, 3.5*2.8, 3.0* 1.5, 4.0*4.0mm etc.

application of ultra short cylindrical rollers: linear lead rails, ultra thin bearings, needle bearings, one way clutches, one way bearings, needle bearings ,subminiature motor and so on.

our products are ultrashort cylindrical rollers, special chamfer or round cylindrical rollers, spheroidal end cylindrical rollers and some other rollers and axles.

through some special machines and production process. we have solved the big problem how to make ultrashort, special chamfer and round cylindrical rollers in mass production. we have greatly improved the production efficiency, reduced the production cost and improved the precision of our products. It will save 40-70% cost for our customers

sizes of super short cylindrical rollers

super short cylindrical rollers, precision cylindrical rollers
φ0.8*0.5mmφ0.8*0.6mmφ0.8*0.8mm
φ1.00*0.8mmφ1.00*0.9mmφ1.00*1.0mm
φ1.50*0.8mmφ1.50*0.8mmφ1.50*1.5mm
φ2.00*0.6mmφ2.00*0.7mmφ2.00*2.0mm
φ2.50*1.00mmφ2.50*1.5mmφ2.50*2.5mm
φ3.00*1.5mmφ3.00*2.0mmφ3.00*3.0mm
φ3.50*2.0mmφ3.50*2.2mmφ3.50*3.5mm
φ4.00*3.0mmφ4.00*3.5mmφ4.50*4.5mm
φ5.00*4.0mmφ5.00*4.5mmφ5.00*5.0mm
φ5.50*3.5mmφ5.50*4.5mmφ5.50*5.50mm
φ6.00*5.0mmφ6.00*5.5mmφ6.00*6.0mm
φ6.50*5.0mmφ6.50*5.5mmφ6.50*6.0mm
φ7.00*6.5mmφ7.00*6.6mmφ7.00*7.0mm
φ7.50*5.6mmφ7.50*6.7mmφ7.50*7.5mm
φ8.00*6.6mmφ8.00*7.7mmφ8.00*8.0mm
φ8.50*5.0mmφ8.50*6.8mmφ8.50*8.5mm
φ9.00*6.5mmφ9.00*8.8mmφ9.00*9.0mm
φ12.00*10.0mmφ12.00*11.5mmφ12.00*12.0mm
φ......φ......φ......
high super short cylindrical rollers, precision cylindrical rollers,cylindrical rolling elements,

technical parameters of needle rollers

precision needle rollers, needle roller bearing pins
diameter tolerance +0/-0.005, +0/-0.003, +0/-0.002,
length tolerance +/-0.015, +/-0.01, +0/-0.015, +/-0.025,+0/-0.005
radius(NRB) R0.03-R0.3
parallelism 0.01, 0.005
perpendicularity 0.01, 0.005
circularity 0.001
cylindricity 0.001
roughness Ra0.1
Hardness HRC58-65(chrome steel) HRC55-58(stainless steel)c.
grouping 0.001mm,0.002mm,0.003mm or 0.0005mm
materials chrome steel,stainless steel.
needle rollers, needle roller bearings, miniature pins, needle rollers suppliers, precision shafts
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