Upper: 1-1/8"" / Sealed Bearing Bottom: 1-1/8"" / Sealed Bearing w/ 7.5mm Alloy Top Cover / OD 45mm Stack Height 8.2+1=9.2mm
IGA-1086B-NY
w/15mm Nylon Top Cover
IGA-1086C
w/15mm Alloy Top Cover, S.H.=16.7mm
IGA-1086-B09
w/B09 Bearing