Bearing prices, dimensions, sizes...

SKF 609 -2RSH/C3 Bearing Price 1.97 $

Dimensions

Inner(d) 9 mm
Outer(D) 24 mm
Width(b) 7 mm
It is in the miniature bearings category.
2RS : Double-sided plastic cover.
C3 : Bearing ball clearance is slightly greater than normal.