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


Bearing No. 6310NR

Specification data (main dimensions, etc.)

d(mm)50
D(mm)110
B(mm)27
r(min.)(mm)2
r1(min.)(mm)0.5
Basic load ratings : Cr(kN)77.5
Basic load ratings : C0r(kN)38.3
Fatigue load limit : Cu(kN)2.90
factor : f013.2
Limiting speeds(Grease lub.)(min-1)6100
Limiting speeds(Oil lub.)(min-1)7300
Dimensions of locating snap ring : D2(min.)(mm)116.6
Dimensions of locating snap ring : f(±0.05)(mm)2.41

Mounting dimensions,weight (reference)

da(min.)(mm)59 mm
Da(max.)(mm)101 mm
Dx(min.)(mm)118 mm
Cy(max.)(mm)5.43 mm
ra(max.)(mm)2 mm
rb(max.)(mm)0.5 mm
Mass(Refer.)(kg)1.07 kg
JTEKT

2026/07/08