Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Inch series
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Bearing No. M802048/11

Specifications
(Boundary dimensions ...etc)

d(mm)41.275
D(mm)82.550
T(mm)26.543
B(mm)25.654
C(mm)20.193
r(min.)(mm)3.6
r1(min.)(mm)3.2
Basic load ratings : Cr(kN)105
Basic load ratings : C0r(kN)105
Fatigue load limit : Cu(kN)15.4
Limiting speeds(Grease lub.)(min-1)4900
Limiting speeds(Oil lub.)(min-1)6500
Load center spread : a(mm)23.3
Constant :e()0.55
Axial load factors : Y1()1.10
Axial load factors : Y0()0.60

Mounting dimensions

da(mm)57.0
db(mm)50.6
Da(mm)70.0
Db(mm)79.0
ra(max.)(mm)3.6
rb(max.)(mm)3.2

Refer.

(Refer.)Mass(kg) 0.63
JTEKT

2025/07/15