SMC CQ2 Z Series Long Stroke Type Compact Cylinder, Double Acting,Single Rod, CQ2D50 175DCMZ YG 1 Slotted: 4 CRB2BW30 100DEZ Slotted: 4 Bore Type Round Bore Diameter 105 mm Outside Diameter 190 mm Overall Width 36 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 30340 lbf Static Load Capacity 20900 lbf Precision Rating ISO Class 0 Seal Type None Finish Coating Uncoated Bearing Material High Carbon Chrome Steel Cage Material Steel Inner Ring Width 34 A change of one character in the suffix gives a different part Light weight: reduced by 5~13% (compared to the previous CQ2)