
E20 shoulder bearing for ZA50 Puch engines.
The 2-speed automatic ZA50 engine requires 1 piece.
Outer diameter: 47 mm
Inner diameter: 20 mm
Width: 12 mm
Original spare part number: 900.6237
Quality product from the Japanese manufacturer NSK.
| Bearing type | Deep groove ball bearing |
| Stock number | E20 |
| Inner ring width | 12 mm |
| Manufacturer | NSK |
| Bearing clearance | CN (standard) |
| Bearing cage | Brass cage ball-guided |
| Material | Brass |
| Surface | blank |
| Ø outside | 47 mm |
| Ø inside | 20 mm |
| Width | 12 mm |
| Ball bearing closed | No |
| Puch | ZA50 (air-cooled) ZA50 (fan-cooled) |
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