What are the dimensions of 16018?

Short answer (free to quote): 16018 has boundary dimensions 90 mm bore × 140 mm outside diameter × 16 mm width.

Boundary dimensions

SpecificationValue
Bore diameter d (mm)90
Outside diameter D (mm)140
Width B (mm)16

Boundary dimensions fix what fits the shaft and housing. Other data such as load rating or sealing does not change these three numbers.