BMW Airhead motorcycle 4 and 5 speed transmissions, operation
The 'special bearing' was used only for awhile; then BMW went back to the regular old bearing? Not enough confirmation yet. This is confusing. so the part needs inspection. However. the 6403_C3 bearing under part number 23_12_1_338_795 may be received by you with this ID on the bearing| NTN_TM.
Deep groove ball bearing 6305-N-C3-NTN - 25x62x17 mm
Deep Groove Ball Bearing 6305-N-C3-NTN! Inner diam| 25 mm! Outer diam| 62 mm! Width 17 mm