FAQs Roller Measurement-Bosses

FAQs Part 9: Identifying and Measuring Bosses



To Begin: Please fill out our Conveyor Roller Quote Form and a Heinrich Brothers representative will contact you.
For more immediate help,call us at 724-969-1188.

How do I Identify a Boss?



Identify if the roller has bosses. A roller with bosses has steel slugs welded inside the ends of the tube. Bearings that are too small to fit into the tube can be press fit into the bosses.Br/>
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How do I Identify a Welded Axle with Bosses?



Identify if the roller has a welded axle. A roller with welded axles will have bosses that are welded directly to the axle. It will not have internal bearings.

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How do I Measure Bosses?



If the boss is recessed,use a tape measure to find the distance the boss is recessed inside the tube. Measure to the nearest 1/32″.

If the boss is extruded,use a tape measure to find the distance the boss is extruding past the tube. Measure to the nearest 1/32″.

The tube length is also an important piece of information for rollers with a boss. Based on the tube OD and bearing OD,Heinrich Brothers can determine the appropriate boss size.