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


Bearing No. 6313NR

Specification data (main dimensions, etc.)

d(mm)65
D(mm)140
B(mm)33
r(min.)(mm)2.1
r1(min.)(mm)0.5
Basic load ratings : Cr(kN)116
Basic load ratings : C0r(kN)59.9
Fatigue load limit : Cu(kN)4.50
factor : f013.2
Limiting speeds(Grease lub.)(min-1)4800
Limiting speeds(Oil lub.)(min-1)5800
Dimensions of locating snap ring : D2(min.)(mm)149.7
Dimensions of locating snap ring : f(±0.05)(mm)2.77

Mounting dimensions,weight (reference)

da(min.)(mm)76 mm
Da(max.)(mm)129 mm
Dx(min.)(mm)152 mm
Cy(max.)(mm)7.37 mm
ra(max.)(mm)2 mm
rb(max.)(mm)0.5 mm
Mass(Refer.)(kg)2.08 kg
JTEKT

2026/07/08