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4T-JM736149/JM736110 - NTN Single Row Taper Roller Bearing
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
d (mm) | 180 | d1 (mm) | 219 | D (mm) | 250 |
B (mm) | 45 | C (mm) | 37 | T (mm) | 47 |
e | 0.48 | Y2 | 1.25 | Y0 | 0.69 |
Mass (kg) | 6.76 |
ra max (mm) | 3 |
Dynamic load C (kN) | 370 | Rating life coefficient A2 | 1.4 | Static load C0 (kN) | 710 |
Fatigue limit load Cu (kN) | 68.8 | Nlim (oil) (Tr/min) | 1700 | Nlim (grease) (Tr/min) | 1300 |
Min operating temperature Tmin (°C) | -40 | Max operating temperature Tmax (°C) | 120 |
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