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51100 Metric Thrust Ball Bearing Series

Auburn Open Style 51100 Metric Thrust Ball Bearing with Nylon Ball Retainer

51100 Series

Metric Bearing Dimensions

The 51100 Metric Thrust Ball Bearing is an interchange for an industry standard bearing. It supports axial loads in a single direction. It features an open, separable, 3-piece design with round groove raceways. The balls are held in by a nylon ball retainer/retaining ring (also known as a “cage”).

The 51100 Thrust Ball Bearing is available in metric sizes ranging from 10 mm (0.394 inch) to 140 mm (5.512 inch) bore diameter (A); 26 mm (1.024 inch) to 185 mm (7.283 inch) outside diameter (B); and 12 mm (0.472 inch) to 31 mm (1.220 inch) height (H).

These 51100 series bearings are manufactured in the USA and are DFARS compliant. Bearing numbers XXXX through XXXX are normally in stock at our Upstate New York based manufacturing facility. Bearing numbers XXXX through XXXX have a 4 to 6 week lead time.

Please note: the following dimensions are shown in mm.
Bearing NumberBore (A)OD (B)Height (H)Stock?
Other Info & Resources

Mounting Instructions: Generally installed with the fitted bore A centered on the shaft and rotating with it. The clearance bore A’ seats against a fixed part of the machine and remains stationary. If installed in a recess, a clearance of 1/8th of an inch, or more, should be left around outside diameter B and B’, in case the shaft wears in it’s journal bearings.