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4.0*3.90 Precision Needle Roller for Grinding Machine Linear Guides¹

Bearing Accessories, Needle Roller Pin, Cylindrical Roller

Changzhou Suma Precision Machinery Co., Ltd.

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Product Description 4.0*3.90 Precision Needle Roller For Grinding Machine Linear GuidesMain ParameterNameV Series Guide Rollers Model4.0*3.90MaterialGCR15, SUJ2 , AISI52001HardnessHRC60-65Out Diameter Tolerance0.001mm Length Tolerance+0/-0.02mmParallelism0.01mmPerpendicularity0.01mmEndface runout:0.01mmRoundness: 0.0005mmRoughness Ra0.06um Nomal Spec.V3.0*2.90V4.0*3.90V5.0*4.90V6.0*5.90V9.0*8.90V12*11.85Main Uses1: Crossed roller linear guides2: Cylindrical roller type linear rails3: Anti-creep crossed roller linear guide4: Crossed roller bearings5: Linear bearings, linear motors, 6: oneway bearings oneway clutches7: Heavy-load linear rails, linear rails for CNC and some other rails.

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Bearing: 4.0*3.90 Precision Needle Roller for Grinding Machine Linear Guides

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