LM11949/LM11910 inch Tapered Roller Bearings 3/4"x1.781"x0.6550" LM11949/10 Single-row Taper Roller Wheel bearing, bearing ables to carry radial and axial load in one direction simultaneously, this is a popular size that could be used in many application.Bearing is made of Chrome Steel. Item: LM11949/10 bearing Type: Single-row Taper Roller Wheel bearing Size: 3/4" x 1 25/32" x 21/32" Inch inner diameter: 3/4" inch outer diameter: 1 25/32"