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


Bearing No. 32040JR

Specification data (main dimensions, etc.)

d(mm)200
D(mm)310
T(mm)70
B(mm)70
C(mm)53
r(min.)(mm)3
r1(min.)(mm)2.5
Basic load ratings : Cr(kN)949
Basic load ratings : C0r(kN)1340
Fatigue load limit : Cu(kN)146
Limiting speeds(Grease lub.)(min-1)1100
Limiting speeds(Oil lub.)(min-1)1400
Load center spread : a(mm)66.9
Constant e0.43
Axial load factors : Y11.39
Axial load factors : Y00.77

Mounting dimensions,weight (reference)

da(min.)(mm)214 mm
db(max.)(mm)221 mm
Da(max.)(mm)298 mm
da(min.)(mm)273 mm
db(min.)(mm)297 mm
Sa(min.)(mm)11 mm
Sb(min.)(mm)17 mm
ra(max.)(mm)2.5 mm
rb(max.)(mm)2 mm
Mass(Refer.)(kg)19.1 kg
JTEKT

2026/08/07