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


Bearing No. 30316DJR

Specification data (main dimensions, etc.)

d(mm)80
D(mm)170
T(mm)42.5
B(mm)39
C(mm)27
r(min.)(mm)3
r1(min.)(mm)2.5
Basic load ratings : Cr(kN)294
Basic load ratings : C0r(kN)282
Fatigue load limit : Cu(kN)38.7
Limiting speeds(Grease lub.)(min-1)2000
Limiting speeds(Oil lub.)(min-1)2800
Load center spread : a(mm)53.5
Constant e0.83
Axial load factors : Y10.73
Axial load factors : Y00.40

Mounting dimensions,weight (reference)

da(min.)(mm)94 mm
db(max.)(mm)97 mm
Da(max.)(mm)158 mm
da(min.)(mm)134 mm
db(min.)(mm)159 mm
Sa(min.)(mm)6 mm
Sb(min.)(mm)15.5 mm
ra(max.)(mm)2.5 mm
rb(max.)(mm)2 mm
Mass(Refer.)(kg)4.12 kg
JTEKT

2026/08/04