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Standard Ball Nuts SFNU/SFU

Standard ball nuts SFNU/SFU (DIN 69051 form B) are the perfect choices for applications where high durability, positioning accuracy, and smooth operation is required. Ball nuts and screws have to be from the same producer! Every nut is tested to fit perfectly onto the ball screw. We advise in ordering the ball nut and ball screw together. Otherwise, we cannot guarantee a proper fit.

Nut material: SCM415H (hardness 58-62 HRC), Steel Balls material:SUJ2 (hardness +60 HRC), Producer: TBI Motion


Select type in the table below
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Ball Nuts SFNU/SFU
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TBI Motion Ball Screws

Size Guide

Size Guide
Regular Fit
1/2 CHEST 52.50 54.50 56.50 59.50 62.50
BACKLENGTH 76.00 78.00 80.00 82.00 84.00
SLEEVELENGTH 65.00 66.00 67.00 68.50 70.00
Slim Fit
1/2 CHEST 50.00 52.00 54.00 58.00 62.00
BACKLENGTH 76.00 77.00 78.00 79.00 80.00
SLEEVELENGTH 66.00 67.00 68.00 69.00 70.00

Please note that these measurements are meant as a guide only. Actual garment length and width may vary according to style and brand.

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