Koyo
FOR REFERENCE ONLY
  • Deep groove ball bearings
  • Single-row
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Bearing No. 6315NR

Specifications
(Boundary dimensions ...etc)

d(mm)75
D(mm)160
B(mm)37
r(min.)(mm)2.1
r1(min.)(mm)0.5
Basic load ratings : Cr(kN)142
Basic load ratings : C0r(kN)77.2
Fatigue load limit : Cu(kN)5.40
factor : f0()13.2
Limiting speeds(Grease lub.)(min-1)4200
Limiting speeds(Oil lub.)(min-1)5000
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)169.7
Dimensions of locating snap ring : f(±0.05)(mm)2.77

Mounting dimensions

da(min.)(mm)86
Da(max.)(mm)149
Dx(min.)(mm)172
Cy(max.)(mm)7.37
ra(max.)(mm)2
rb(max.)(mm)0.5

Refer.

(Refer.)Mass(kg) 3.02
JTEKT

2025/05/10