UA375325ST-SO (DA/R Outer Bearing Journal)

The spindle tester gage measures slightly larger than the spindle in the center so it can slide onto the spindle end. Once it is slid onto the spindle where the bearing sets, the tool can be used by moving it side-to-side. This tool should be used delicately with a thumb and "two-finger" hold. The tool should not be forced onto the bearing journals.

Bearing journals should be checked horizontally, vertically and diagonally. On one side of the tool you will see the word "GO" and on the other side of the tool are the words "NO-GO" which indicates there is more than 0.006" wear which is an indicator the spindle should be further inspected and may be in need of spindle replacement.

The design of the tool makes it easy for technicians to quickly check the spindle wear of spindles. The tool is made of aluminum and is lightweight. The tool is machined with very tight tolerances and measures out to the thousandths. The tool should be stored and cared for properly and kept in climate controlled facilities with temperatures ranging from 65-85 degrees.

The spindle should be checked side-to-side and then turned in a clockwise direction around the spindle to check all directions for spindle wear. Generally, the wear will be found on the underside of the spindle. If at any time the tool moves to the "NO-GO" side when attempting to slide the tool back and forth around the bearing journal area - THE SPINDLE SHOULD BE FLAGGED AND INSPECTED FURTHER FOR REPLACEMENT.

PART NUMBER: #UA375325ST-SO spindle tester gage fits the Drive (Class 8) inner bearing journal.