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Miniature & small ball bearings Deep groove ball bearings

R-1640

Outline

NMB Parts No. R-1640
Metric or Inch Metric
ISO/JIS 634
Material of Rings Chromium Steel
Ring Type [Radial] Standard
Inner Diameter
(d)
[mm]
4.000
Outer Diameter
(D)
[mm]
16.000
Width
(B)
[mm]
5.000
Chamfer
(rs min)
[mm]
0.300
Reference Diameter Outer
(Lo)
[mm]
13.410
Reference Diameter Inner
(Li)
[mm]
7.800
Ball Size
(DW)
[mm]
2.7781
Ball Complement
(Z)
7
Dynamic Load Rating
(Cr)
[N]
1735
Static Load Rating
(Cor)
[N]
671
Inner Diameter
(d)
[in]
0.1575
Outer Diameter
(D)
[in]
0.6299

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