Bearing prices, dimensions, sizes...

SKF 638 /4-2Z Bearing Price 4.67 $

CHEAPEST
SKF4.63 $
MOST EXPENSIVE
SKF6.57 $
Cheapest SKF 638 /4-2Z sale price: 4.63 $
The most expensive SKF 638 /4-2Z sale price: 6.57 $

Dimensions

Inner(d) 4 mm
Outer(D) 9 mm
Width(b) 4 mm
It is in the miniature bearings category.
Z : One side hair cover.