Based on this product's specifications, here are some alternatives and similar models
Roller CoreParts MSP6402 for Ricoh Aficio/MP Laser Printers — 35×35×50 mm
Summary description:
CoreParts MSP6402 is a replacement roller for laser printers compatible with Ricoh Aficio 1015, 1018 and MP1600/1800/2000/2015/2018 models. The part measures 35 mm (width) × 35 mm (height) × 50 mm (depth) and is supplied as one piece per pack. It serves as a paper feed/transport roller to ensure reliable sheet movement and consistent print output in office environments.