4T-JM736149/JM736110 - NTN Single Row Taper Roller Bearing

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4T-JM736149/JM736110 bearing reference breakdown

Below we will break down the 4T-JM736149/JM736110 bearing reference and provide an explanation for each section provided it can actually be broken down. We can split it into 3 parts the prefix, suffix and body of the item code.

The prefix can be found at the beginning of the bearing code:

Prefix

4T - The 4T- prefix designates a tapered roller bearing that is made of a special grade of case-hardened bearing steel and is interchangeable with other manufacturers taper with the same part number.
J - Which denotes the bearing is part of NTN's J-Line metric series, belonging to ABMA norm. Can also be associated with all other ABMA prefix (EL,EH,H,HH,HM,M,LM,L,LL)
M - Denotes that the bearing is part of the medium series