Based on this product's specifications, here are some alternatives and similar models
Circular Saw Spindle No name THP1300 YTHP13WR
Summary description:
Spindle for circular saw, compatible with model THP1300 (MPN YTHP13WR). Replacement part designed to restore or maintain the mechanical drive of a circular saw unit. Suitable for repairs and service of compatible No name THP1300 machines; used to secure and rotate saw blades, ensuring proper alignment and transmission of torque. Check fitment with original specifications before purchase.