BEARINGDEX
Cylindrical roller, NU

NU207 bearing

35 mm bore, 72 mm outside diameter, 17 mm width (1.378 × 2.8346 × 0.6693 in).

Dimensions

mminch
Bore d351.3780
Outside diameter D722.8346
Width B170.6693

Quick numbers

Pitch diameter dm53.5 mm
Section height (D − d)/218.5 mm
n·dm at 1,800 rpm96,300
n·dm at 3,600 rpm192,600

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

What the number means

NUCylindrical roller. Ribs on the outer ring only, so the shaft can float axially.
2Diameter series 2: light
07Bore code 07 × 5 = 35 mm

Same size, different bearing

These share the 35 × 72 × 17 mm envelope but carry load differently. They aren't drop-in swaps.