needle rollers, needle roller bearings, miniature pins, needle rollers suppliers, precision shafts
parameters of needle rollers
precision needle rollers, needle roller bearing pins
diameter tolerance+0/-0.005, +0/-0.003, +0/-0.002, grouping for 0.001mm or 0.0005mmlength tolerance+/-0.015, +/-0.01, +0/-0.015, +/-0.005,+0/-0.005radiusR0.03-R0.3parallelism0.01, 0.005perpendicularity0.01, 0.005circularity0.001cylindricity0.001