Koyo
FOR REFERENCE ONLY
  • Cylindrical roller bearings
  • Single-row
  • NJ
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Bearing No. NJ2340

Specifications
(Boundary dimensions ...etc)

d(mm)200
D(mm)420
B(mm)138
r(min.)(mm)5
r1(min.)(mm)5
Fw(mm)260
Ew(mm)-
Basic load ratings : Cr(kN)1890
Basic load ratings : C0r(kN)2240
Fatigue load limit : Cu(kN)244
Limiting speeds(Grease lub.)(min-1)1100
Limiting speeds(Oil lub.)(min-1)1700
sd1(mm)-
B1(mm)-
B2(mm)-

Mounting dimensions

da(min.)(mm)-
db(min.)(mm)220
db(max.)(mm)254
dc(min.)(mm)-
dd(min.)(mm)-
Da(max.)(mm)400
Db(max.)(mm)-
Db(min.)(mm)-
ra(max.)(mm)4
rb(max.)(mm)4

Refer.

(Refer.)Mass(kg) 98.6
JTEKT

2025/06/01