Koyo
FOR REFERENCE ONLY
  • Deep groove ball bearings
  • Single-row
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Bearing No. 6310NR

Specifications
(Boundary 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 : f0()13.2
Limiting speeds(Grease lub.)(min-1)6100
Limiting speeds(Oil lub.)(min-1)7300
Dimensions of snap ring groove : D1(max.)(mm)
Dimensions of snap ring groove : a(max.)(mm)
Dimensions of snap ring groove : b(±0.05)(mm)
Dimensions of snap ring groove : r0(max.)(mm)
Dimensions of locating snap ring : D2(min.)(mm)116.6
Dimensions of locating snap ring : f(±0.05)(mm)2.41

Mounting dimensions

da(min.)(mm)59
Da(max.)(mm)101
Dx(min.)(mm)118
Cy(max.)(mm)5.43
ra(max.)(mm)2
rb(max.)(mm)0.5

Refer.

(Refer.)Mass(kg) 1.07
JTEKT

2025/05/10