DDRF-4HH

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.	DDRF-4HH
Metric or Inch	Inch
ISO/JIS	-
Material of Rings	Stainless Steel
Ring Type	[Radial] Flanged
Inner Diameter(d) [mm]	6.350
Inner Diameter(d)Tolerance [mm]	Compliant with JIS standards
Outer Diameter(D) [mm]	15.875
Outer Diameter(D)Tolerance [mm]	Compliant with JIS standards
Width(B) [mm]	4.978
Width(B)Tolerance [mm]	Compliant with JIS standards
Chamfer(rs min) [mm]	0.300
Flange Diameter(D1) [mm]	17.526
Flange Width(C1) [mm]	1.067
Reference Diameter Outer(Lo) [mm]	13.040
Reference Diameter Inner(Li) [mm]	8.200
Ball Size(DW) [mm]	2.3813
Ball Complement(Z)	8
Dynamic Load Rating(Cr) [N]	1470
Static Load Rating(Cor) [N]	599
Inner Diameter(d) [in]	0.2500
Outer Diameter(D) [in]	0.6250
Flange Diameter(D1) [in]	0.6900
Flange Width(C1) [in]	0.0420

Technical Data
- Miniature & small ball bearing Digital Catalog
CAD Data
- DDRF-4HH
Our CAD data is downloadable through the "PARTcommunity" service provided by CADENAS WEB2CAD Inc..
In order to use this service, registration to "PARTcommunity" is required, but is Available free of charge.
Please click "CAD data [PARTcommunity]" to download 2D/ 3D CAD data for our products.