This is brand new Model 2540 Ingersoll Rand Type 30 compatible Bearing Connecting Rod Kit 32204307. Following are the compatible parts number with Air compressor Parts number: ? Crankpin Bushing 30210165 ? Connecting Rod 32198160 ? Ball Bearing 95753604 ? Ball Bearing W/Snap Ring 95951224 This is not a Ingersoll Rand parts but it is compatible and fits to IR Air Compressors. This is a Private-label parts.