DDR-720

The most typical type of radial ball bearings can support axial loads in both directions in addition to radial loads. Some types have a flange or retaining ring on the outer ring to facilitate axial positioning when mounting the housing.

NMB Parts No.	DDR-720
Metric or Inch	Metric
ISO/JIS	602
Material of Rings	Stainless Steel
Ring Type	[Radial] basic type
Inner Diameter(d) [mm]	2.000
Inner Diameter(d)Tolerance [mm]	Compliant with JIS standards
Outer Diameter(D) [mm]	7.000
Outer Diameter(D)Tolerance [mm]	Compliant with JIS standards
Width(B) [mm]	2.800
Width(B)Tolerance [mm]	Compliant with JIS standards
Chamfer(rs min) [mm]	0.150
Reference Diameter Outer(Lo) [mm]	5.520
Reference Diameter Inner(Li) [mm]	3.800
Ball Size(DW) [mm]	1.1906
Ball Complement(Z)	7
Dynamic Load Rating(Cr) [N]	380
Static Load Rating(Cor) [N]	126
Inner Diameter(d) [in]	0.0787
Outer Diameter(D) [in]	0.2756

Technical Data
- Miniature & small ball bearing Digital Catalog
CAD Data
- DDR-720
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