FOR REFERENCE ONLY
  • Needle roller bearings
  • Inner rings
  • Inch series
  • For heavy duty needle roller bearings(IR)
>

Bearing No. IR-253020

Specifications
(Boundary dimensions ...etc)

d(mm)39.688
F(mm)47.625
B(mm)31.75
r(min.)(mm)1.52
Shaft dia. - Loose transition fit(max.)()39.677
Shaft dia. - Loose transition fit(min.)()39.662
Shaft dia. - Interference fit(max.)()39.708
Shaft dia. - Interference fit(min.)()39.698
Used with bearing No.()HJ-303920

Mounting dimensions

Refer.

(Refer.)Mass(kg) 0.127
JTEKT

2025/02/23