• Additional Information
  • Product Description
  • PDF / CAD
Weight [kg] 9.0000
Ball Size [mm] 50,8
Material TYPE 13 - Carbon Steel Bearings, Zinc Plated Pressings
A - Max Diameter [mm] 101,6
B - Working Height of Ball [mm] 171,5
L - Overall Length [mm] 200,8
P - Thread Size M24
Maximum Dynamic Loading - Load Up [kg] 1560
C - Ball Exposure above Outer Ring [mm] 14,3
G - P.C.D. or Centres of Fixing Holes [mm] 76 (+/-0,2)
H - Tapped Hole Size 4 x M8
O - Seating Hole Diameter [mm] 103
W - Collar Diameter 101,6
Y - Minimum Hole Depth 165,2
Z - Nut Clearance Diameter 44
Load for Maximum Deflection [kg] 1950
Maximum Deflection [mm] 6,3
Features: High load capacity, greater shock loading protection. Screw fixing collar for Ø38.1mm and Ø50.8mm ball units only, for secure fixing in ball down applications.

Alwayse Engineering Limited was established in Birmingham, United Kingdom in 1939 when a small engineering company, Sheridan Tools, was purchased. Later its name was changed to “Alwayse” meaning that the units are multidirectional and move in all directions or ways -hence “Alwayse”. The distinctive spelling adds to the company’s individuality.  As the originators of the Ball Transfer Unit over 70 years ago, Alwayse have become an important part of the material handling industry. Alwayse Ball Units manufactured from high quality materials in Birmingham factory are used in all industries throughout the World and over 2,000,000 are sold every year.


Alwayse Engineering Limited are quality registered to ISO 9001. Alwayse have a policy of continually improving the product range with new innovative and creative ideas using the latest CNC machinery and production/inspection methods. Specially designed ball unit test machines, routinely used to test production units, together with many years of research and experience, ensures world-class performance.

alwayse engineering logo

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Catalogue PDF

7177 - 13 ALWAYSE

Features: High load capacity, greater shock loading protection.
Screw fixing collar for Ø38.1mm and Ø50.8mm ball units only, for
secure fixing in ball down applications.
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€507.95 (€619.69 Incl. Tax)

QTY Discount Discount price
To 0 0% 507.95 €
From 1 5% 482.55 €
From 1 10% 457.15 €
From 2 15% 431.75 €
From 3 20% 406.36 €

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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