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
Ingersoll Rand 231 Impact Tool Model A 1/2" Drive Impact Wrench With Boot Tested
Ingersoll-Rand 231 Impact Tool Pneumatic Air Impact Wrench 1/2" Drive Model A
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
NASCAR Racing Special Ingersoll Rand 231 / VW-668 Air Impact Gun