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Miniature & small ball bearings Deep groove ball bearings

R-1240

Outline

NMB Parts No. R-1240
Metric or Inch Metric
ISO/JIS 604
Material of Rings Chromium Steel
Ring Type [Radial] Standard
Inner Diameter
(d)
[mm]
4.000
Outer Diameter
(D)
[mm]
12.000
Width
(B)
[mm]
4.000
Chamfer
(rs min)
[mm]
0.200
Reference Diameter Outer
(Lo)
[mm]
9.990
Reference Diameter Inner
(Li)
[mm]
5.620
Ball Size
(DW)
[mm]
2.0000
Ball Complement
(Z)
7
Dynamic Load Rating
(Cr)
[N]
959
Static Load Rating
(Cor)
[N]
347
Inner Diameter
(d)
[in]
0.1575
Outer Diameter
(D)
[in]
0.4724

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