This is the 231-TK3 kit that includes both bearings. We also have a less expensive 231-TK2 kit that has everything this kit has less the bearings.
INGERSOLL RAND 231 IMPACT TOOL/WRENCH MOTOR REBUILD KIT 231-TK3 SHIPS FREE
Ingersoll Rand 231 Impact Tool Model A 1/2" Drive Impact Wrench With Boot Tested
Ingersoll Rand Body for Ingersoll Rand 231,211, 212,1702 Series and 215G Impact
Trigger for Ingersoll rand 231 or Ingersoll rand 244 1/2" impact wrench
Replacement 1/2" Anvil for Impact Wrench-Mac -Matco -Ingersoll Rand- 231
Ingersoll Rand 231-TK2 Tune-Up Kit for 1/2" Impact Wrench Motor