If you have been looking for KF120AR0 12"x13
This bearing part number is UC207 and The bearings has the following Dimensions:UC207 Hybrid Ceramic Insert Bearings
We can also custom make the different ABEC Rating and the clearance of each bearing
If you have been looking for KB120AR0 12"x12
Product Info Acting Type Double Acting Airtac rms Rodless Magnetic Air Cylinder Product Series Airtac RMS Rodless Magnetic Air Cylinder Bore Size 32mm Brand Airtac Component Type Rodless Pneumatic Cylinder Stroke Length 800mm Type of Thread NPT
MA20X350SCAG
Airtac Round Body Air Cylinder, Double Acting Housing Units Sets UELPF2 If you have been lookingMA20X350SCAG Airtac Round Body Air Cylinder, Double Acting Round body air cylinder, double acting, 20 mm bore, 350 mm stroke, with magnet, Pivot type back cover, G thread Acting Type Double Acting Airtac ma Round Body Air Cylinder Stainless Steel Airtac Product Series Airtac MA Round Body Air Cylinder Stainless Steel Back Cover Type Pivot Bore Size 20mm Brand Airtac Component Type Round Body Pneumatic Cylinder Magnet With Magnet Stroke Length 350mm