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


Bearing No. 320/32JR

Specification data (main dimensions, etc.)

d(mm)32
D(mm)58
T(mm)17
B(mm)17
C(mm)13
r(min.)(mm)1
r1(min.)(mm)1
Basic load ratings : Cr(kN)49.2
Basic load ratings : C0r(kN)50.6
Fatigue load limit : Cu(kN)7.10
Limiting speeds(Grease lub.)(min-1)6700
Limiting speeds(Oil lub.)(min-1)8900
Load center spread : a(mm)14.3
Constant e0.45
Axial load factors : Y11.32
Axial load factors : Y00.73

Mounting dimensions,weight (reference)

da(min.)(mm)37.5 mm
db(max.)(mm)38 mm
Da(max.)(mm)52.5 mm
da(min.)(mm)50 mm
db(min.)(mm)55 mm
Sa(min.)(mm)3 mm
Sb(min.)(mm)4 mm
ra(max.)(mm)1 mm
rb(max.)(mm)1 mm
Mass(Refer.)(kg)0.196 kg
JTEKT

2026/07/08