MK25X50 Airtac Multi-Mount Guided AIr Cylinder, Double Acting Axial Deep Groove Ball Bearings SS-512 (Stainless Steel) Full Ceramic Insert Bearings are

Full Ceramic Insert Bearings are widely used as replacement bearings for Pillow Blocks

open bearing Cage Hard tissue cage Clearance Slightly increased radial clearance Precision class Tolerance class P6 / ABEC 3 Current insulation No current insulation Bore Cylindrical bore Outer ring Without flange/groove Material of rolling elements Standard bearing steel Operating temperature -20 to +120 °C Net weight 0

5 N/μm Axial rigidity Ca H = 253

If you are bothered about the NB030CP0 3"x3

MK25X50 Airtac Multi-Mount Guided AIr Cylinder, Double Acting Axial Deep Groove Ball Bearings SS-512 (Stainless Steel) Full Ceramic Insert Bearings areMK25X50 Airtac Multi Mount Guided AIr Cylinder, Double Acting Multi mount guided pneumatic cylinder, double acting, no rotating, 25mm bore, 50mm stroke, without magnet Acting Type Double Acting Airtac mk Multi Mount Guided Air Cylinder Airtac Product Series Airtac MK Multi Mount Guided Air Cylinder Bore Size 25mm Brand Airtac Component Type Guided Air Cylinder Magnet Without Magnet Stroke Length 50mm Thread Type M5