Koyo
FOR REFERENCE ONLY
  • Needle roller bearings
  • Heavy-duty needle roller bearings
  • Inch series, caged, without inner ring
>

Bearing No. HJ-445628

Specifications
(Boundary dimensions ...etc)

Fw(mm)69.850
D(D)88.900
C(B)(mm)44.450
r(min.)(mm)2.03
Used with inner ring No.()IR-354428
Basic load ratings : Cr(kN)117?
Basic load ratings : C0r(kN)245?
Fatigue load limit : Cu(kN)38.2
Limiting speeds(Grease lub.)(min-1)4000
Limiting speeds(Oil lub.)(min-1)6200

Mounting dimensions

Recommended dimensions - Clearance fit : S(max.)(mm)69.850
Recommended dimensions - Clearance fit : S(min.)(mm)69.832
Recommended dimensions - Clearance fit : H(max.)(mm)88.936
Recommended dimensions - Clearance fit H(min.)(mm)88.900
Recommended dimensions - Tight transition fit : S((mm)69.820
Recommended dimensions - Tight transition fit : S((mm)69.802
Recommended dimensions - Tight transition fit : H((mm)88.887
Recommended dimensions - Tight transition fit : H((mm)88.852
Shoulder dia. : Da()80.98

Refer.

(Refer.)Mass(kg) 0.635
JTEKT

2025/07/09