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Practical notes from fifty years of matching bearings to machines: reading part numbers, choosing seals and clearances, and finding the hard-to-find ones.
Two bearings, same size, different letters. Here is what ZZ and 2RS actually change, and how to choose the right one for your machine.
Read article: ZZ or 2RS? Choosing between shielded and sealed bearingsC3 is one of the most misunderstood markings on a bearing. It is about internal clearance, and using the wrong one can shorten a motor bearing’s life.
Read article: What does C3 mean on a bearing, and does it matter?Markings worn off, an imported machine, or a size that is not in any catalogue? Here is the information that helps us identify and source the right bearing quickly.
Read article: Odd size or no part number? What to send us to find your bearingCounterfeit bearings look almost identical to the real thing but can fail in weeks. Here are the warning signs, and how to make sure you buy genuine.
Read article: How to spot a fake bearing before it failsA bearing that is not on the shelf when a machine stops can cost a day of production. Here is how maintenance teams decide which spares to hold.
Read article: Which bearings should your plant keep in stock?Send it to us. We will tell you what it is, what it costs, and how soon it can be at your door.
