HomeRoller Bearing Slides 4 Products ST8200 Side Mount Roller Bearing Slide NSF certified - ideal for commercial kitchens. Supports loads of up to 275 lbs. ST8201 Bottom Mount Roller Bearing Slide NSF certified - ideal for commercial kitchens. Supports loads of up to 275 lbs. Standard and Extended flange available ST8210 Side Mount Roller Bearing Slide with Over Travel NSF Certified - ideal for commercial kitchens. Supports loads of up to 230 lbs. ST8211 Bottom Mount Roller Bearing Slide with Over Travel NSF certified - ideal for commercial kitchens. Supports loads of up to 230 lbs. Standard and Extended flange available.