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Miniature & small ball bearings Deep groove ball bearings (basic type)

DDR-1240

Outline

NMB Parts No. DDR-1240
Metric or Inch Metric
ISO/JIS 604
Material of Rings Stainless 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]
8.950
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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