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Miniature & small ball bearings Deep groove ball bearings

DDR-2

Outline

NMB Parts No. DDR-2
Metric or Inch Inch
ISO/JIS -
Material of Rings Stainless Steel
Ring Type [Radial] Standard
Inner Diameter
(d)
[mm]
3.175
Outer Diameter
(D)
[mm]
9.525
Width
(B)
[mm]
3.967
Chamfer
(rs min)
[mm]
0.300
Reference Diameter Outer
(Lo)
[mm]
7.650
Reference Diameter Inner
(Li)
[mm]
5.080
Ball Size
(DW)
[mm]
1.5875
Ball Complement
(Z)
7
Dynamic Load Rating
(Cr)
[N]
641
Static Load Rating
(Cor)
[N]
226
Inner Diameter
(d)
[in]
0.1250
Outer Diameter
(D)
[in]
0.3750

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