... .promotion price 4.distribute of geniune brand qual Specifications:linear bearing LB6A,LB6A-2RS,LB6-AJA1.high precision long ... high precision long life low noise2.linear bearing promotive delivery3.linear bearing excellent OEM service4.linear bearing ISO 9001:2008 & ISO ... roller bearings6. self-aligning ball bearings7. spherical roller bearings8. linear motion bearings9. agular contact ball bearings