Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Inch series
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Bearing No. L305649R/10

Specifications
(Boundary dimensions ...etc)

d(mm)50.800
D(mm)80.962
T(mm)18.258
B(mm)18.258
C(mm)14.288
r(min.)(mm)1.6
r1(min.)(mm)1.6
Basic load ratings : Cr(kN)67.8
Basic load ratings : C0r(kN)81.1
Fatigue load limit : Cu(kN)11.8
Limiting speeds(Grease lub.)(min-1)4600
Limiting speeds(Oil lub.)(min-1)6100
Load center spread : a(mm)16.0
Constant :e()0.35
Axial load factors : Y1()1.69
Axial load factors : Y0()0.93

Mounting dimensions

da(mm)58.0
db(mm)56.0
Da(mm)73.0
Db(mm)77.0
ra(max.)(mm)1.6
rb(max.)(mm)1.6

Refer.

(Refer.)Mass(kg) 0.347
JTEKT

2025/06/01