BEARINGDEX
Double-row angular contact ball

3209 bearing

45 mm bore, 85 mm outside diameter, 30.2 mm width (1.7717 × 3.3465 × 1.189 in).

Dimensions

mminch
Bore d451.7717
Outside diameter D853.3465
Width B30.21.1890

Quick numbers

Pitch diameter dm65.0 mm
Section height (D − d)/220.0 mm
n·dm at 1,800 rpm117,000
n·dm at 3,600 rpm234,000

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

What the number means

3Double-row angular contact ball
2Diameter series 2: light
09Bore code 09 × 5 = 45 mm