12mm bore self-aligning, pillow block bearing, you can easily adjust or replace. Wide inner ring with two mounting screws for fixing on the shaft. Widely used in machinery, especially in food processing machines. It can also be used in pharmaceutical machinery, conveyor systems, film processors, rotary machines, printing machines, etc. Zinc-aluminum alloy shell, chrome steel embedded, easy to install. specification: Product name: Pillowcase Bearing Model: KFL001 Colour: silver Material: zinc alloy Overall dimensions: 63 x 38 x 16mm / 2.5 x 1.5 x 0.63 inch(L * W * H) Bearing inner diameter: 12 mm / 0.47 inch Mounting hole diameter: 7mm / 0.28 inch Mounting hole distance: 1.9 inches / 48 mm Package Contents: 4 x Pillow Block Bearing Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.