B500 series Stainless Steel Extra Light Torque Tube Type Bearings

AISI440C material,single roll,full ball design,open type with no grease .seals type is Teflon seals had grease size same as open type.just make DD after open type No.

Item:B538DD B539DD B540DD B541DD B542DD B543DD B544DD B545DD B546DD B538 B539 B540 B541 B542 B543 B544 B5