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


Bearing No. JH211749A/10

Specification data (main dimensions, etc.)

d(mm)65.000
D(mm)120.000
T(mm)39.000
B(mm)38.500
C(mm)32.000
r(min.)(mm)7.1
r1(min.)(mm)2.8
Basic load ratings : Cr(kN)236
Basic load ratings : C0r(kN)255
Fatigue load limit : Cu(kN)39.7
Limiting speeds(Grease lub.)(min-1)3200
Limiting speeds(Oil lub.)(min-1)4300
Load center spread : a(mm)27.9
Constant :e0.34
Axial load factors : Y11.78
Axial load factors : Y00.98

Mounting dimensions,weight (reference)

da(mm)88.0 mm
db(mm)74.0 mm
Da(mm)107.0 mm
Db(mm)114.0 mm
ra(max.)(mm)7.1 mm
rb(max.)(mm)2.8 mm
Mass(Refer.)(kg)1.888 kg
JTEKT

2026/07/04