seal type: AMI Bearings MUCFB206-18NP Flange-Mount Ball Bearing Units

bore diameter::1.1250 in; horizontal bolt spacing::1-7/8 in; bore type::Round; vertical bolt spacing::1-1/4 in; duty type::Standard Duty; shaft centerline height::2-1/16 in; mounting type::Three-Bolt Bracket Style; hub diameter::3-1/4 in; housing material::Cast Iron - Nickel Prot