M 719 = Light series bearing USS = Standard single row spindle bearings with steel balls / fibre cage 90 = 90mm 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
CRB4010UUC1 Crossed Roller Bearings
This bearing part number is 6004 and The bearings has the following Dimensions:6004 Hybrid Ceramic Bearings 20X42X12 mm
5 N/μm Axial rigidity Ca H = 88
If you are bothered about the NB025CP0 2
ACE80X250SBT Airtac ACE Compact Air Cylinder, Double Acting Airtac ACE M 719 = Light seriesACE80X250SBT Airtac ACE Compact Air Cylinder, Double Acting Compact pneumatic cylinder, double acting, 80mm bore, 250mm stroke, without magnet, rod with male thread, NPT thread type Product Info Acting Type Double Acting Airtac ace Compact Air Cylinder Product Series Airtac ACE Compact Air Cylinder Bore Size 80mm Brand Airtac Component Type Compact Air Cylinder Magnet Without Magnet Rod Type Male Thread Stroke Length 250mm Type of Thread NPT