Here's the links to their Amazon pages the bearing has it's ratings in the description, and the carriage has a picture chart of it's load ratings

https://www.amazon.com/dp/B07G843Z81/ref=cm_sw_r_cp_apa_glt_fabc_1QG5GR4SZQPER4Y66SD1

https://www.amazon.com/dp/B0885XJT3L/ref=cm_sw_r_cp_apa_glt_fabc_9C4XP4P97WXVXWV8ND42?_encoding=UTF8&psc=1