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Miniature & small ball bearings Deep groove ball bearings

R-1980

Outline

NMB Parts No. R-1980
Metric or Inch Metric
ISO/JIS 698
Material of Rings Chromium Steel
Ring Type [Radial] Standard
Inner Diameter
(d)
[mm]
8.000
Outer Diameter
(D)
[mm]
19.000
Width
(B)
[mm]
6.000
Chamfer
(rs min)
[mm]
0.300
Reference Diameter Outer
(Lo)
[mm]
16.680
Reference Diameter Inner
(Li)
[mm]
10.600
Ball Size
(DW)
[mm]
3.1750
Ball Complement
(Z)
8
Dynamic Load Rating
(Cr)
[N]
2463
Static Load Rating
(Cor)
[N]
1059
Inner Diameter
(d)
[in]
0.3150
Outer Diameter
(D)
[in]
0.7480

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