You pulled a bearing off a motor spindle and the part number is gone. Before you order a replacement, you need three numbers: the inner diameter (ID), the outer diameter (OD), and the width (W). Meas...

A production line goes down, and the maintenance ticket reads the way it always does: bearing noise, add grease. A few pumps of the gun quiet the whine for a week, and a month later the same bearing ...

The motor drops out of the production line, and when the failed bearing is pulled from the housing, the stamped part number on the outer ring has worn away. In maintenance, this happens often, and th...

A maintenance engineer recently described a strange problem. A 15 kW motor on a conveyor line kept running 12 K above its nameplate temperature. Grease around the shaft seal had discolored, and month...

What Are Angular Contact Bearings? When a pump impeller pushes against the liquid inside its casing, the shaft receives a steady axial thrust in addition to the radial forces created by rotation. A s...