3" x 1-1/4" V-Groove Cast Iron Wheel - 350 Lbs Capacity

3" x 1-1/4" Interior Barn Door V-Groove Wheel Kit - Part # LVG314 This 3" x 1-1/4" v-groove wheel comes is a popular choice for those building their own interior sliding barn doors. V-groove wheels are designed to be used on inverted angle iron, however that can also be used on flat surfaces. While not designed to run on flat iron, there is a .25" opening in the v-groove that can be used with 3/16" flat iron tracks. Specifications: Capacity (lbs.): 350 Hub Length (Plain Bore): 1-9/16" Wheel Diameter: 3" Hub Length (With Optional Spanner): 1-5/8" Tread Width: 1-1/4" Groove Width: 7/8" Wheel Type: Cast Iron Groove Depth: 7/16" Plain Bore ID: 1/2" Durometer: Brinell 145 Bearing ID: 3/8" Temp Range: -45˚F to 600˚F Bearing Type: Steel Spanner Weight: 0.50 Lbs