The Features Of CBN Grinding Wheel For Internal Grinding 1.High Efficiency 2.High Workpiece Precision 3.Good Workpiece Consistency 4.Long Life Time . Application Of CBN Grinding Wheel For Internal Grinding Grinding Of Con-Rods Ends In The Auto Industry . Grinding Of Hydraulic And Pneumatic Cylinders . CVJ Ball-Cage, Inner And Outer Raceway . Hydraulic Tappet Of Automobile Motor . Grinding Of Bores Of Inner Rings . Grinding Of Gears Bores, Collects. Pump Stator Of Automobile,Grinding Of Gun Barrels . Roller, Cylinder, Flange Cover Of Air-Condition Compressor. Grinding Of Inner And Outer Faces Of Ball ,Roller Bearings . Specification Of CBN Grinding Wheel For Internal Grinding Model Diameter (Mm) Bore Diameter (Mm) Height (Mm) 1A8 4 1.5 5 1A8 6 2 8 1A8 12 4 8 1A8 20 6, 8 10 1A8 25 8, 13 20 1A8 30 10 15 1A8 35 12, 15 12 1A8 40 15 15 1A8 40 15 25 1A8 45 30 50 1A1W 17.5 11 5.5 Other Size Can Be Made According To Customers Requirements. If you have any questions, please contact us