N228-A7 Herr Spur Sprocket 3/8" pitch, 7-teeth. Oregon 32062x - Vintage NOS.  Needle bearing is included.

Fits:

• Allis-Chalmers: 195, 295
• Dayton:  2Z462, 2Z463
• Poulan:  201, 202, 203, 204, 221, 222, 245, 254A, 306A, 4200, 5200