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

Bearing No. 6905NR

Specifications
(Boundary dimensions ...etc)

d(mm)25
D(mm)42
B(mm)9
r(min.)(mm)0.3
r1(min.)(mm)0.3
Basic load ratings : Cr(kN)8.75
Basic load ratings : C0r(kN)4.55
Fatigue load limit : Cu(kN)0.230
factor : f0()15.4
Limiting speeds(Grease lub.)(min-1)16000
Limiting speeds(Oil lub.)(min-1)19000
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)44.8
Dimensions of locating snap ring : f(±0.05)(mm)0.8

Mounting dimensions

da(min.)(mm)27
Da(max.)(mm)40
Dx(min.)(mm)45.5
Cy(max.)(mm)2.3
ra(max.)(mm)0.3
rb(max.)(mm)0.3

Refer.

(Refer.)Mass(kg) 0.041
JTEKT

2025/05/09