• Additional Information
  • Product Description
  • PDF / CAD
Weight [kg] 0.3600
Shaft Diameter x Lead [mm] 50x10
Thread direction Right
Ballnut size [mm] D=75, L=88, A=110, W=93
Da - Ball Diameter [mm] 6,35
D [mm] 75
A [mm] 110
B [mm] 18
L [mm] 88
W [mm] 93
X [mm] 11
H [mm] 85
Q [mm] M8
n - Number of Circuits 3.8x1
Ca - Basic Dynamic Rating Load [N] 56380
Coa - Basic Static Rating Load [N] 178520
K - Stiffness [N/μm] 790

Ball Screw Nut, DIN 69051 form B, Shaft diameter 50 mm, Lead 10 mm

All nuts are axial play free with 0-2% preload which reflect in high rigidity. 

Tolerance C5-C7

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

Producer: TBI Motion

Ball nuts and screws has to be from the same producer!

Every nut is tested to fit perfectly to the ball screw. If you order only nut without screw we cannot give guarantee. 

TBI MOTION TECHNOLOGY CO., LTD., is a specialized manufacturer in linear motion products in Taiwan. They are possessing critical core technology and concentrating on product research and innovative design. All products are under patent design with ISO 9001:2008 certification. TBI MOTION is one of the oldest and the most experienced company in Taiwan. They are focusing on linear motion products since 1986.

With “Outstanding quality, high capacity”, they are well recognized on the international market.

They have full production lines and all the products are made in Taiwan. Their main products are Ball Screw, Linear Guide, Ball Spline, Precision Ball Screw / Spline, Single Axis Robot,Linear Ball Bearing, Coupling, Support Unit…etc. The range of applications of their products is as follow:

  • Automatic controlling machine
  • Robot Industry
  • Semi-conductor Industry
  • General Industrial Machinery
  • Medical equipment
  • Solar energy equipment
  • Machine Tool
  • Parking System

The products of TBI MOTION are outstanding in all industrial fields and have an excellent price to value ratio.



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Download CAD model (STP format)

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Catalogue PDF

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Complete catalogue PDF

SFNU 5010-4 Ball Nut TBI Motion

Ball Screw Nut, DIN 69051 form B, Shaft diameter 50 mm, Lead 10 mm

All nuts are axial play free with 0-2% preload which reflect in high rigidity. 

Tolerance C5-C7

Stock Ships in
16 3-4 working days

€209.35 (€255.41 Incl. Tax)

QTY Discount Discount price
To 0 0% 209.35 €
From 1 5% 198.88 €
From 3 10% 188.42 €
From 5 15% 177.95 €
From 8 20% 167.48 €

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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PDF document:
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Ball Nuts SFNU/SFU
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TBI Motion Ball Screws
CAD document
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SFNU 5010-4

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