MRC SKF R16FF 1″ x 2″ x 1/2″ Shielded Bearing
NOS MrcFF new in box. Sold by each
Unbranded 1/4″ ID X 3/4″ OD X 1″ Unground Steel Roller with Bearing Counter Sunk
What stands out about unbranded roller parts is the clean shape and lack of corporate text.