Fits: Echo CS-451, CS-452, CS-500, CS-510, CS-550, CS-610John Deere 50V, 55EV, 55VRedmax G-561, G-621Sears 35826, 35829*Does not include bearing
Bearing #N/A (Click on link below for replacement parts)Rim #ORE18720
Pitch/Teeth: 3/8"-7