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
Pitch/Teeth: 3/8"-7
Fits: Dayton 4Z252, 7Z627Poulan/Poulan Pro 245, 306, 4200, 4400, 4900, 5200, 5400Sears 35881, 35884*Does not include bearing
Fits: Dayton 4Z251, 4Z397Poulan/Poulan Pro 375, 395, 3400, 3700, 3800, 4000Sears 35885Skil 1641Western Auto 3400, A-18*Does not include bearing
Bearing #ORE11893