Linear Shaft - Stainless Steel NIM40SS420-0150-SL Diameter: 40mm Length: 150mm Open Linear Ball Bearing while the center square flange

while the center square flange allows stable bolt-down mounting

Standard model comes with no preload

40mm nozzle size offers versatility for 3D printers

Provided with no preload

ISO Metric - Square Flanged Center Mount

Linear Shaft - Stainless Steel NIM40SS420-0150-SL Diameter: 40mm Length: 150mm Open Linear Ball Bearing while the center square flangeLinear Shaft of 420 Stainless Steel, 40mm diameter and 150mm length features RC 50 Plus hardness. The optimized surface finish enhances the performance of linear bearings such as self lubricating plain bearings and ball bearings. Solid, not pre drilled. Neither drilled nor tapped pre drilled shafts are NIPDM (metric) or NIPDL (inch) Order custom lengths, tapping and hole spacing via "Configure and Quote" below Faster break in, better Frelon liner