Ball Bearing: (1) Material: GCr15 (2) Lubrication from ESSO (3) Nylon Supplied by DUPONT (4) All DAC series OEM numbers (5) 10 years history (6) ISO/TS16949 Approved Ball Bearing NO: DAC40800045B  DAC40800045/44C  DAC40840639/40E-S   DAC408402538C  GB40250  IR-8638   DAC40840040-S  DAC41680037C DAC41680040/35C    BTHB1866046 DAC4168WCS23  41KWD01G3CA54  DAC42720038C  4T-CRI-0822LLXCS145/L260  DAC42720038/35D  43BWD12A-JB-5C01  AU0908-3LLX2/L260