4T-JL69345/JL69310 - NTN Single Row Taper Roller Bearing

  • £22.38

4T-JL69345/JL69310 bearing reference breakdown

Below we will break down the 4T-JL69345/JL69310 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:


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)
L - Denotes the bearing is part of the light series
d (mm) 38 D (mm) 63 B (mm) 19
C (mm) 13.5 T (mm) 17 a (mm) 14.7
rs min (mm) 3.5 r1s min (mm) 1.5 e 0.42
Y2 1.44 Y0 0.79 Mass (kg) 0.2
ra max (mm) 3.5
Dynamic load C (kN) 38.5 Rating life coefficient A2 1.4 Static load C0 (kN) 52.5
Nlim (oil) (Tr/min) 7600 Nlim (grease) (Tr/min) 5700 Min operating temperature Tmin (°C) -40
Max operating temperature Tmax (°C) 120

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