Koyo
FOR REFERENCE ONLY
  • Deep groove ball bearings
  • Single-row
  • Open type


Bearing No. 6338

Specification data (main dimensions, etc.)

d(mm)190
D(mm)400
B(mm)78
r(min.)(mm)5
Basic load ratings : Cr(kN)443
Basic load ratings : C0r(kN)415
Fatigue load limit : Cu(kN)21.3
factor : f014.1
Limiting speeds(Grease lub.)(min-1)1500
Limiting speeds(Oil lub.)(min-1)1800

Mounting dimensions,weight (reference)

da(min.)(mm)210 mm
Da(max.)(mm)380 mm
ra(max.)(mm)4 mm
Mass(Refer.)(kg)51.5 kg
JTEKT

2026/07/07