Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Inch series
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Bearing No. 342/332

Specifications
(Boundary dimensions ...etc)

d(mm)41.275
D(mm)80.000
T(mm)21.000
B(mm)22.403
C(mm)17.826
r(min.)(mm)3.6
r1(min.)(mm)1.2
Basic load ratings : Cr(kN)85.0
Basic load ratings : C0r(kN)74.8
Fatigue load limit : Cu(kN)11.4
Limiting speeds(Grease lub.)(min-1)4900
Limiting speeds(Oil lub.)(min-1)6600
Load center spread : a(mm)15.1
Constant :e()0.27
Axial load factors : Y1()2.20
Axial load factors : Y0()1.21

Mounting dimensions

da(mm)53.0
db(mm)46.0
Da(mm)73.0
Db(mm)75.0
ra(max.)(mm)3.6
rb(max.)(mm)1.2

Refer.

(Refer.)Mass(kg) 0.461
JTEKT

2025/05/28