Koyo
FOR REFERENCE ONLY
  • Cylindrical roller bearings
  • Single-row
  • NH
>

Bearing No. NH307R

Specifications
(Boundary dimensions ...etc)

d(mm)35
D(mm)80
B(mm)21
r(min.)(mm)1.5
r1(min.)(mm)1.1
Fw(mm)46.2
Ew(mm)-
Basic load ratings : Cr(kN)83.3
Basic load ratings : C0r(kN)65.4
Fatigue load limit : Cu(kN)9.35
Limiting speeds(Grease lub.)(min-1)7700
Limiting speeds(Oil lub.)(min-1)10000
sd1(mm)51.1
B1(mm)6
B2(mm)9.5

Mounting dimensions

da(min.)(mm)43
db(min.)(mm)-
db(max.)(mm)-
dc(min.)(mm)-
dd(min.)(mm)-
Da(max.)(mm)72
Db(max.)(mm)-
Db(min.)(mm)-
ra(max.)(mm)1.5
rb(max.)(mm)1

Refer.

(Refer.)Mass(kg) 0.565
JTEKT

2025/06/01