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FAQs Roller Measurement-Bosses

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  • 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.

Measuring Bosses

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.

Measuring Bosses

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.

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(724) 969-1188