L 719 = Light series bearing USS = Standard single row spindle bearings with steel balls / fibre cage 55 = 55mm bore A21 = 21 degree contact angle 0 = Tolerance class inner ring: more accurate than P2 or ABEC 9 I = Tolerance class outer ring: more accurate than P4 or ABEC 7 L = Light preload
If you are bothered about the SF100XP0 10"x11
SC50X750S Airtac Standard Air Cylinder
SDA63X75BT Airtac SDA Compact Air Cylinder
Other identifiers for this bearing: 10189640
4V330C10FT Airtac 4V330C Double Row Angular Ball Bearings 52 / 32 L 719 = Light series4V330C10FT Airtac 4V330C Pneumatic valve, double solenoid, 5 way closed center, 3 8" NPT port, DC 12V, internal pilot, terminal entry, 300 series Product Info Acting Type Piloted Airtac 4v Solenoid Air Valve 5 2 Way and 5 3 Way Product Series Airtac 4V Solenoid Air Valve 5 2 Way and 5 3 Way Brand Airtac Coil Voltage1 DC 12V Component Type Solenoid Air Valve Electrical Entry Terminal Pilot Type Internal Port Size 3 8 inch Type of Thread NPT Valve Type