locking device: AMI Bearings UCFBL206-19MZ20W Flange-Mount Ball Bearing Units

bore diameter::1.1875 in; vertical bolt spacing::1-1/4 in; bore type::Round; shaft centerline height::2-1/16 in; duty type::Standard Duty; hub diameter::3-1/4 in; mounting type::Three-Bolt Bracket Style; bracket width::3 in; housing material::PBT Thermoplastic; unit standoff::1-41