NB Linear Systems SFW20 1 1/4 Shaft 36 inch Length Linear Motion alloy steel ✅ Equivalent: R156-ZZ

✅ Equivalent: R156-ZZ

and precision - ideal for daily-use machines and hobby-grade builds

6020ZZENR Nachi Ball Bearing

R2A-2RS Full Ceramic Ball Bearing

Each bearing is made from high-strength chrome steel and comes pre-lubricated with grease for smooth

NB Linear Systems SFW20 1 1/4 Shaft 36 inch Length Linear Motion alloy steel ✅ Equivalent: R156-ZZWe don't Offer International Shipping All NB Shafts will take approximately One week to ship Return is not accepted for this item NB Linear Systems: SFW 20x36" 1 1 4 x36 Inch Length 1 1 4 inch Diameter Shaft NB Linear Systems: SFW 20x36", 1 1 4" Diameter x36" inch Long Shaft Heat Treated: NB slide shafts are case hardened with controlled surface hardness and consistent adequate hardness depth. NB controls the surface hardness by using high frequency