Koyo
FOR REFERENCE ONLY
  • Needle roller bearings
  • Drawn cup needle roller bearings
  • Inch series, caged
  • Closed end
>

Bearing No. MJ-20121

Specifications
(Boundary dimensions ...etc)

Fw(mm)31.750
D(mm)38.100
C(mm)19.05
Y(max)(mm)1.02
Basic load ratings : Cr(kN)19.84
Basic load ratings : C0r(kN)34.70
Fatigue load limit : Cu(kN)5.35
Limiting speeds(Grease lub.)(min-1)6600
Limiting speeds(Oil lub.)(min-1)10000
Mounting inner ring()IR-1612

Mounting dimensions

Refer.

(Refer.)Mass(kg) 0.043
JTEKT

2025/06/01