Best Quality Needle Roller Pin

Best quality needle roller pinMain ParameterNameCylindrical rollerModel 2*1.93MaterialGCR15, SUJ2 , AISI52001HardnessHRC60-65Out Diameter Tolerance0.001mm Length Tolerance+0/-0.05mmParallelism0.02mmPerpendicularity0.02mmEndface Runout0.02mmRoundness0.001mmRoughnessRa0.10um Normal Spec.1mm Series1.5 * 1.40, 1.5 * 1.43, 1.5 * 1.45, 1.5 * 1.52 mm Series2 * 1.90, 2 * 1.93, 2 * 1.95, 2 * 2, 2.05 * 1.98, 2.5 * 2.4, 2.5 * 2.53 mm Series3 * 2.85, 3 * 2.90, 3 * 2.93, 3 * 2.95, 3 * 3, 3.5 * 3.4, 3.5 * 3.54 mm Series4 * 3.80, 4 * 3.90, 4 * 3.93, 4 * 3.95, 4 * 4 Main Uses1: Air-cylinders2: Hydro-cylinders3: oil-cylinders4: linear rails5: linear guides/* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1