This 4 x 9 x 4 mm (F4-9) bearing is a thrust bearing. The F4-9 inner diameter is 4 mm, the F4-9 outer diameter is 9 mm, the F4-9 width is 4 mm.This is a popular size that could be used in many applications. Thrust bearings are known to have high axial loads.
NZ $3.20 each
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