Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Inch series
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Bearing No. 48190/20

Specifications
(Boundary dimensions ...etc)

d(mm)107.950
D(mm)161.925
T(mm)34.925
B(mm)34.925
C(mm)26.988
r(min.)(mm)3.6
r1(min.)(mm)3.2
Basic load ratings : Cr(kN)216
Basic load ratings : C0r(kN)293
Fatigue load limit : Cu(kN)41.8
Limiting speeds(Grease lub.)(min-1)2200
Limiting speeds(Oil lub.)(min-1)2900
Load center spread : a(mm)39.1
Constant :e()0.51
Axial load factors : Y1()1.19
Axial load factors : Y0()0.65

Mounting dimensions

da(mm)121.0
db(mm)120.0
Da(mm)145.0
Db(mm)154.0
ra(max.)(mm)3.6
rb(max.)(mm)3.2

Refer.

(Refer.)Mass(kg) 2.39
JTEKT

2025/06/01