The Bearings part number is 1312-K-TN and This bearing has the following Dimensions: 1312 K (tapered) TN 60x130x31 mm
7944CTRSUMP4 Super Precision Angular Contact Spindle Bearing 220x300x38mm 7944CTRSUMP4
Acting Type Double Acting Adjuster Option Without Adjuster - Basic Type Airtac hls Slide Table Actuator Roller Bearing Airtac Product Series Airtac HLS Slide Table Actuator Roller Bearing Bore Size 20mm Brand Airtac Component Type Guided Air Cylinder Magnet With Magnet Stroke Length 20mm Thread Type PT
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If you are bothered about the NB120AR0 11
NACF4X4BT Airtac NACF Pancake Cylinder Split Pillow Block Sets The Bearings part number isNACF4X4BT Airtac NACF Pancake Cylinder Compact round body air cylinder, double acting, 4 inch bore, 4 inch stroke, without magnet, rod with male thread, NPT thread type Product Info Acting Type Double Acting Airtac nacf Pancake Cylinder Product Series Airtac NACF Pancake Cylinder Bore Size 4 inch Brand Airtac Component Type Pancake Cylinder Magnet Without Magnet Rod Type Male Thread Stroke Length 4 inch Type of Thread NPT