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

Bearing No. NUP2321

Specifications
(Boundary dimensions ...etc)

d(mm)105
D(mm)225
B(mm)77
r(min.)(mm)3
r1(min.)(mm)3
Fw(mm)135
Ew(mm)-
Basic load ratings : Cr(kN)711
Basic load ratings : C0r(kN)750
Fatigue load limit : Cu(kN)97.3
Limiting speeds(Grease lub.)(min-1)2300
Limiting speeds(Oil lub.)(min-1)3500
sd1(mm)-
B1(mm)-
B2(mm)-

Mounting dimensions

da(min.)(mm)118
db(min.)(mm)118
db(max.)(mm)131
dc(min.)(mm)-
dd(min.)(mm)-
Da(max.)(mm)212
Db(max.)(mm)-
Db(min.)(mm)-
ra(max.)(mm)2.5
rb(max.)(mm)2.5

Refer.

(Refer.)Mass(kg) 15.6
JTEKT

2025/06/01