Model = 7211CD/P4ADGB 72 = Angular contact ball bearing in accordance with ISO dimension series 02 11 = 55mm bore diameter CD = 15 deg contact angle
If you have been looking for SA055XP0 5
M 719 = Light series bearing USSC = Hybrid single row spindle bearing with ceramic balls / fibre cage 20 = 20mm bore A21 = 21 degree contact angle I = Tolerance class inner ring: more accurate than P4 or ABEC 7 1 = Tolerance class outer ring: more accurate than P5 or ABEC 5 M = Medium preload
Inner Race Overrun: 3
If you are bothered about the K17008AR0 170mm x 186mm x 8mm Thin Section Bearings prices
ACE40X125S
Airtac Compact Air Cylinder, Double Acting Locating Rings Model = 7211CD/P4ADGB 72 =ACE40X125S Airtac Compact Air Cylinder, Double Acting Compact pneumatic cylinder, double acting, 40mm bore, 125mm stroke, with magnet, rod with female thread, PT thread type Acting Type Double Acting Airtac ace Compact Air Cylinder ISO21287 Airtac Product Series Airtac ACE Compact Air Cylinder ISO21287 Bore Size 40mm Brand Airtac Component Type Compact Air Cylinder Magnet With Magnet Rod Type Female Thread Stroke Length 125mm Thread Type PT