BEARINGDEX
Double-row angular contact ball

3204 bearing

20 mm bore, 47 mm outside diameter, 20.6 mm width (0.7874 × 1.8504 × 0.811 in).

Dimensions

mminch
Bore d200.7874
Outside diameter D471.8504
Width B20.60.8110

Quick numbers

Pitch diameter dm33.5 mm
Section height (D − d)/213.5 mm
n·dm at 1,800 rpm60,300
n·dm at 3,600 rpm120,600

Compare against the maker's limiting speed. Speed calculator · L10 life

What the number means

3Double-row angular contact ball
2Diameter series 2: light
04Bore code 04 × 5 = 20 mm