... sample available 1. Main brand : China GEB(The biggest bearing cages factory in China) 2. Main types : deep ... cylindrical roller bearings, spherical roller bearing , tapered roller bearing , thrust ball bearing , thrust roller bearing 3. Bearing name :Deep groove ball bearing4. ... of row :Single row or double row5. Material : Chrome steel ,stainless steel ,bearing steel6.Seal type: open, Z, ZZ, RZ, RS ...