Compatible with Case IH Tillage(s) 122, 350, 370, 760. Replaces Case IH OEM nos 472591R3. Compatible with International Tillage(s) 46, 48, 60, 61, 120, 130, 132, 150, 330, 470, 480, 490, 610. Replaces International OEM nos 472591R2. 4″ Spool fits 1-1/8 square axle with square hole (old style). For Case IH disc harrows with 7-1/2” & 9” Spacing Our eBay Store About Us Contact Us Add to Favorite Sellers 4″ Disc Harrow Half Bearing Spool Spacer Fits 1-1/8″ Square Disc Axles 29.95 Compatible with Case IH Tillage(s) 122, 350, 370, 760. Replaces Case IH OEM nos 472591R3. Compatible with International Tillage(s) 46, 48, 60, 61, 120, 130, 132, 150, 330, 470, 480, 490, 610. Replaces International OEM nos 472591R2. 4″ Spool fits 1-1/8 square axle with square hole (old style). For Case IH disc harrows with 7-1/2” & 9” Spacing.