... ) 2. Main types : deep groove ball bearing , self-aligning ball bearings, cylindrical roller bearings, spherical roller bearing , tapered roller bearing , thrust ball bearing , thrust roller bearing 3 ... . Material: Gcr15, Gcr15Simn, G20Cr2Ni4A, Gr18Mo 9. Outside diameter: 3- 420mm 10. Inner diameter: 1 - 200 mm 11. Application: Gearbox, instruments and meters ...