Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Inch series
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Bearing No. JLM104948/10

Specifications
(Boundary dimensions ...etc)

d(mm)50.000
D(mm)82.000
T(mm)21.501
B(mm)21.501
C(mm)17.000
r(min.)(mm)3.0
r1(min.)(mm)0.5
Basic load ratings : Cr(kN)90.0
Basic load ratings : C0r(kN)97.9
Fatigue load limit : Cu(kN)14.7
Limiting speeds(Grease lub.)(min-1)4500
Limiting speeds(Oil lub.)(min-1)6000
Load center spread : a(mm)16.2
Constant :e()0.31
Axial load factors : Y1()1.97
Axial load factors : Y0()1.08

Mounting dimensions

da(mm)60.0
db(mm)55.0
Da(mm)76.0
Db(mm)78.0
ra(max.)(mm)3.0
rb(max.)(mm)0.5

Refer.

(Refer.)Mass(kg) 0.432
JTEKT

2025/07/12