This is a Toro original replacement roller bearing cup for the drive arm on a Dingo TX222 and TX220.
Also used in Z-Spray sprayers:
ZA4640, ZP4640, ZS3624, ZS4230, ZS4630, ZS5260, ZS5260XL
For help locating the correct Dingo replacement parts, contact our Dingo Parts Specialists at 800-305-9255