Sleeve, 8-3/4" Length, For 1-1/4" Axle and Models With 9" Spacing, Fits  John Deere Disc Harrow Models 310, 315, 330, 331, 335, 340, 350, 355, 360, 370, 375, 635, 640, 650, 670, and 637 disc with C spring bearing hanger.John Deere Mulch Tiller Models 1710, 1710A Replaces OEM# B34203