This tune-up kit will give you everything you need to rebuild your Impact gun and have it perform like new, including bearings.
2707-TK2 Ingersoll-Rand Tune Up Kit For Models 2707A1, 2707P1, Part # 2707-TK2
3940-TK1 Ingersoll-Rand Tune Up Kit For Models 3940 & 3942, Part # 3940-TK1
C127341 Tune Up Kit For Models Chicago Pneumatic Model 9560 RSR, Part # C127341
CA145357 Tune Up Kit For Models Chicago Pneumatic Model 775, Part # CA145357
2135-TK2 Ingersoll-Rand Tune Up Kit For Models 2135TiMax, PTi, Ti & 2350XP
Chicago Pneumatic Tune-up Kit for CP727 Impact Model, Part # CA157295