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What bearing do I need? I can't find the Bearing I need. What do the suffixes mean?

How do you measure a Roller bearing?

The 3 most important sizes are the ID, OD and Width.

The ID or Inside Diameter is also known as the Shaft size.

The OD or Outside Diameter is the measurement of the outside of the bearing.

Width also known as the thickness is essentially the depth of the bearing.

My bearing has a Rubber Seal. What does this do?

Rubber Seals help to keep Moisture and Dirt out of the Bearing

My bearing has a Metal Shield. What does this do?

Metal Shields help to keep dust out of a Bearing

I have a Taper Roller Bearing but its has two parts and two different part numbers. Why?

Taper roller bearings come in two Parts; A cup and a Cone.  The imperial ones will have two different references, one for each part.  Search either or both on the website and it will bring up all the options available.


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