DEERFOS Flap Disc Size:KZ563 100mm (4')(100#) (x100 pack) max 60 ℃ Lubrication Non lube Pin Punch max 60 ℃ Lubrication Non lube Piston speed min 50 mm s Piston speed max 500 mm s Rod diameter 20 mm Weight 14 Bore Type Round Bore Diameter 100 mm Outside Diameter 150 mm Overall Width 24 mm Closure Type Open Row Type & Fill Slot Single Row Non Fill Slot Snap Ring Included Without Snap Ring Internal Clearance C3 Operating Temperature Range 40 to 250 ºF Cage Type Pressed Dynamic Load Capacity 14940 lbf Static Load Capacity 12130 lbf Precision Rating Class 0 Seal Type None Finish Coating Uncoated Bearing Material High Carbon Chrome Steel Cage Material Steel Inner Ring Width 24 Bulk and trade pricing available on request Genuine product sourced through official Korean distribution