Prodcut Name:
high precision indusatrial bearing
Model Name:
6904
the drawing of
high precision industrial bearings 6904
original factory pictures
our prodcuts are choice to high grade chrome steel,high precision ball,low radiation cage,good airproof seal and shield.so our prodcuts are waidly used for industrial machinery with both of high quality and cheap price
the ball bearing 6904 of ring:
theoutsaid and insaid ring `s material is hgih grade chrome steel, the Hardness HRC within 60-64,the surface is shining.the size D37*d20*W9 mm. we can provide 6904 2RS ,6904 ZZ .6904 ZZNR.6904 ZZ. 6904 2RSNR
the ball bearing 6904 of ball:
the ball is choice by high grade chrome CGr15,the precision is accord with ISO 32900:2001, the work life is long.
the ball bearing 6904 of cage
the cage used by pressed steel.the nail and surface of cage is cementite,the cage is low friction for long life and strong. we also can provied the noly cage
the ball bearing 6904 of seal and shield:
the seal material is NBR+SPCC for Double Sealed 2RS, the shield material is SPCC for Duoble Shielded ZZ,we can according for customer require choice to NON-CONTACTED/LIGHT CONTACTED/HEAVY CONTACTED for seal type AND color.
the ball bearing 6904 of lubrication:
we can according for customer require choice to SHELL / MOBIL / KYODO / KLUBER / EXXON / HTHS grease
the Radial Play/Cleareence of
high precision industrial bearings are C0/C2/C3/C4/C5;The tolerances are accord with ABEC1.ABEC3 ABEC5.ABEC7