Upper: 1-1/8"" / Steel cup / Z-type Bearing Bottom: 1-1/4"" / Alloy cup / Sealed Bearing w/11.2mm Alloy Top Cover Stack Height 12.7+3.0=15.7mm
DOZER-1045B
w/8mm Alloy Top Cover, S.H.=12.5mm
DOZER-1045C
w/15mm Alloy Top Cover, S.H.=19.5mm