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4T-JHM534149/JHM534110PK - NTN Single Row Taper Roller Bearing
4T-JHM534149/JHM534110PK - NTN Single Row Taper Roller Bearing
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4T-JHM534149/JHM534110PK bearing reference breakdown
Below we will break down the 4T-JHM534149/JHM534110PK 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.HM - Indicates that the bearing is part of the heavy medium series
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)
The suffix can be found at the end of the bearing number:
Suffix
PK - Indicates the bearing as being in tolerance class K (ABMA, J series) (for inch items only)d (mm) | 170 | D (mm) | 230 | B (mm) | 38 |
C (mm) | 31 | T (mm) | 39 | a (mm) | 43.7 |
rs min (mm) | 3 | r1s min (mm) | 2.5 | e | 0.38 |
Y2 | 1.57 | Y0 | 0.86 | Mass (kg) | 4.32 |
ra max (mm) | 3 |
Dynamic load C (kN) | 282 | Rating life coefficient A2 | 1.4 | Static load C0 (kN) | 520 |
Nlim (oil) (Tr/min) | 1800 | Nlim (grease) (Tr/min) | 1400 | Min operating temperature Tmin (°C) | -40 |
Max operating temperature Tmax (°C) | 120 | Characteristic cage frequency FTF (Hz) | 0.46 | Characteristic rolling element frequency BSF (Hz) | 12.88 |
Characteristic outer ring frequency BPF0 (Hz) | 14.81 | Characteristic inner ring frequency BPFI (Hz) | 17.19 |
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