Need some smooth-rolling bearings for a conveyor, sliding door, or any gravity-fed rolling system? These flange ball bearings measure 12mm inside diameter and 35.3mm outside diameter – a common size for industrial rollers. They come in a pack (model Pack#7933) from VXB, a trusted brand in bearings. Brand new, unused, in original packaging. The flange design helps with easy mounting and alignment, so they stay in place on shafts or rails. Perfect for DIY conveyor projects, warehouse equipment, furniture sliders, or workshop applications. They're built to handle decent weight and roll smoothly with minimal effort. If you're building or repairing a gravity roller system, these are the bearings you're probably looking for. Just check your measurements to confirm 12x35.3mm fits your setup. No UPC, but the model number is clear. Stock up now and keep your projects moving – literally. Reliable, affordable, and ready to install.