Koyo
FOR REFERENCE ONLY
  • Cylindrical roller bearings
  • Single-row
  • NJ
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Bearing No. NJ411

Specifications
(Boundary dimensions ...etc)

d(mm)55
D(mm)140
B(mm)33
r(min.)(mm)2.1
r1(min.)(mm)2.1
Fw(mm)77.2
Ew(mm)-
Basic load ratings : Cr(kN)174
Basic load ratings : C0r(kN)138
Fatigue load limit : Cu(kN)19.6
Limiting speeds(Grease lub.)(min-1)4600
Limiting speeds(Oil lub.)(min-1)6100
sd1(mm)-
B1(mm)-
B2(mm)-

Mounting dimensions

da(min.)(mm)-
db(min.)(mm)66
db(max.)(mm)76
dc(min.)(mm)-
dd(min.)(mm)-
Da(max.)(mm)129
Db(max.)(mm)-
Db(min.)(mm)-
ra(max.)(mm)2
rb(max.)(mm)2

Refer.

(Refer.)Mass(kg) 2.56
JTEKT

2025/05/23