Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Inch series
>

Bearing No. HM624749/10

Specifications
(Boundary dimensions ...etc)

d(mm)120.650
D(mm)190.500
T(mm)46.038
B(mm)46.038
C(mm)34.925
r(min.)(mm)3.6
r1(min.)(mm)1.6
Basic load ratings : Cr(kN)393
Basic load ratings : C0r(kN)512
Fatigue load limit : Cu(kN)63.9
Limiting speeds(Grease lub.)(min-1)1900
Limiting speeds(Oil lub.)(min-1)2500
Load center spread : a(mm)41.6
Constant :e()0.43
Axial load factors : Y1()1.41
Axial load factors : Y0()0.77

Mounting dimensions

da(mm)146.0
db(mm)132.0
Da(mm)174.0
Db(mm)184.0
ra(max.)(mm)3.6
rb(max.)(mm)1.6

Refer.

(Refer.)Mass(kg) 4.64
JTEKT

2025/06/01