Koyo
FOR REFERENCE ONLY
  • Cylindrical roller bearings
  • Single-row
  • NJ
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Bearing No. NJ306R

Specifications
(Boundary dimensions ...etc)

d(mm)30
D(mm)72
B(mm)19
r(min.)(mm)1.1
r1(min.)(mm)1.1
Fw(mm)40.5
Ew(mm)-
Basic load ratings : Cr(kN)66.5
Basic load ratings : C0r(kN)50.2
Fatigue load limit : Cu(kN)6.80
Limiting speeds(Grease lub.)(min-1)8700
Limiting speeds(Oil lub.)(min-1)12000
sd1(mm)-
B1(mm)-
B2(mm)-

Mounting dimensions

da(min.)(mm)-
db(min.)(mm)36.5
db(max.)(mm)40
dc(min.)(mm)-
dd(min.)(mm)-
Da(max.)(mm)65.5
Db(max.)(mm)-
Db(min.)(mm)-
ra(max.)(mm)1
rb(max.)(mm)1

Refer.

(Refer.)Mass(kg) 0.382
JTEKT

2025/06/01