FYH Bearing UCP322 110mm Pillow Block Mounted Bearing SR166ZZ the 22218AEXW33 inner diameter is

the 22218AEXW33 inner diameter is 90mm

OD (outer diameter): 310mm

They work in roller hockey skates

Combination or paired bearings could be arranged BACK-TO-BACK (DB)

FYH Bearing UCP322 110mm Pillow Block Mounted Bearing SR166ZZ the 22218AEXW33 inner diameter isUCP322 FYH Bearing Pillow Block Bearing Cylindrical bore (with set screws) 110mm Inner Diameter This is the most common type of mounted ball unit. The rib at the bottom of the housing mounting section provides for a robust unit that can withstand great loads from any direction. Mounted units with cast steel housings are also available in this series, and are used for applications with severe loading and shock load conditions. Tapered bore style units