Deep-groove ball bearings for Puch Maxi E50 single-speed engines.
This specific bearing is only installed if the crankshaft has a larger oil seal seat on the clutch side (as shown on the crankshaft in Figure 3).
Also known as the “old model.”
Outer diameter: 40 mm
Inner diameter: 17 mm
Outer ring width: 12 mm
Inner ring width: 12 mm
Original part number: 900.6219
A quality product from the Japanese manufacturer NSK.
| Bearing type | Deep groove ball bearing |
| Stock number | 6203 |
| Inner ring width | 12 mm |
| Manufacturer | NSK |
| Bearing cage | Sheet steel cage ball-guided |
| Groove ring | Yes |
| Material | Steel |
| Width | 12 mm |
| Ø inside | 17 mm |
| Ø outside | 40 mm, 44 mm |
| Ball bearing closed | No |
| Puch | E50 |
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