SMC CU Series, Free Mounting Cylinder, Double Acting, Single Rod, CDU6 20D Dead Blow Hammer 000 mm Closure Type Open Size:winter ear muffs(standardType) black (x10 pack) 000 mm Closure Type Open 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 13030 lbf Static Load Capacity 8090 lbf Precision Rating Class 0 Seal Type None Finish Coating Uncoated Bearing Material High Carbon Chrome Steel Cage Material Steel Inner Ring Width 0 Type of Product : Spherical Roller Bearing Inside Diameter (d) (mm) : 85 Outside Diameter D (mm) : 180 Width Dia mm : 41 Model No : 21317D1C3 double acting Bore 6mm Port thread M5X0