SMC MGG Series Guided Cylinder, MGGMF63 100 HSS Extra Long End Mill Bore Type Round Bore Diameter BB C 1A 1 Bore Type Round Bore Diameter 55 mm Outside Diameter 80 mm Overall Width 13 mm Closure Type Double Shielded Row Type & Fill Slot Single Row Non Fill Slot Snap Ring Included Without Snap Ring Internal Clearance CN Operating Temperature Range 40 to 250 ºF Cage Type Pressed Dynamic Load Capacity 3970 lbf Static Load Capacity 2990 lbf Precision Rating ISO Class 0 Seal Type None Finish Coating Uncoated Bearing Material High Carbon Chrome Steel Cage Material Steel Inner Ring Width 13 OTOS Safety Goggles S 6100 so order by the full code Genuine SMC