The Middleby Marshall 70126 Pillow Block Bearing with a 1-7/16” bore is for use in ovens PS555, PS570G, PS770 and PS870. This high quality bearing allows the smooth running of the oven conveyor system by bearing the rotating shafts. Its rigid design makes it long lasting and suitable for use where there is high heat levels. Perfect for preserving the performance of the oven, it helps ... https://www.partsfe.co.uk/middleby-marshall-70126-pillow-block-bearing