M 70 = Medium series bearing USO = Standard double row spindle bearing DB with steel balls / fibre cage 120 = 120mm 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
The oil seals part number is TC240x280x18 mm NBR and This oil seal has the following Dimensions: 240*280*18 mm
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MF40X500SCAT Airtac MF Round Body Air Cylinder, Double Acting Acme and Ball Screw M 70 = Medium seriesMF40X500SCAT Airtac MF Round Body Air Cylinder, Double Acting Round body pneumatic cylinder, double acting, stainless steel, 40mm bore, 500 mm stroke, with magnet, Pivot type back cover, NPT thread type Product Info Acting Type Double Acting Airtac mf Round Body Air Cylinder Stainless Steel JIS Product Series Airtac MF Round Body Air Cylinder Stainless Steel JIS Back Cover Type Pivot Bore Size 40mm Brand Airtac Component Type Round Body Pneumatic