BEARINGDEX
Spherical roller

22211 bearing

55 mm bore, 100 mm outside diameter, 25 mm width (2.1654 × 3.937 × 0.9843 in).

Dimensions

mminch
Bore d552.1654
Outside diameter D1003.9370
Width B250.9843

Quick numbers

Pitch diameter dm77.5 mm
Section height (D − d)/222.5 mm
n·dm at 1,800 rpm139,500
n·dm at 3,600 rpm279,000

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

What the number means

2Spherical roller
22Dimension series 22: width 2, diameter 2 (light)
11Bore code 11 × 5 = 55 mm

Same size, different bearing

These share the 55 × 100 × 25 mm envelope but carry load differently. They aren't drop-in swaps.