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


Bearing No. 2984/24

Specification data (main dimensions, etc.)

d(mm)46.038
D(mm)85.000
T(mm)25.400
B(mm)25.608
C(mm)20.638
r(min.)(mm)3.6
r1(min.)(mm)1.2
Basic load ratings : Cr(kN)100
Basic load ratings : C0r(kN)106
Fatigue load limit : Cu(kN)16.0
Limiting speeds(Grease lub.)(min-1)4600
Limiting speeds(Oil lub.)(min-1)6100
Load center spread : a(mm)18.9
Constant :e0.35
Axial load factors : Y11.73
Axial load factors : Y00.95

Mounting dimensions,weight (reference)

da(mm)58.0 mm
db(mm)52.0 mm
Da(mm)76.0 mm
Db(mm)80.0 mm
ra(max.)(mm)3.6 mm
rb(max.)(mm)1.2 mm
Mass(Refer.)(kg)0.609 kg
JTEKT

2026/07/08