Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Inch series


Bearing No. M802048/11

Specification data (main 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 :e0.55
Axial load factors : Y11.10
Axial load factors : Y00.60

Mounting dimensions,weight (reference)

da(mm)57.0 mm
db(mm)50.6 mm
Da(mm)70.0 mm
Db(mm)79.0 mm
ra(max.)(mm)3.6 mm
rb(max.)(mm)3.2 mm
Mass(Refer.)(kg)0.63 kg
JTEKT

2026/07/05