Crankshaft with bearings swiing for Puch E50 55587

Crankshaft by swiing fits Puch Maxi S / N, Supermaxi LG1 moped / moped with E50 engine.

This crankshaft is primarily designed for use in series engines and guarantees maximum precision in production and dimensional accuracy. Its robustness and fatigue strength have been proven in extensive load tests. The solidly constructed connecting rod, which has a reinforced connecting rod pin with a diameter of 16 mm, should be emphasized. This design significantly increases stability and ensures reliable performance - even under increased mechanical stress.

Scope of delivery:

• Crankshaft
• 3x SKF 6203 ball bearings
• 1x NSK 6203 ball bearing with outer ring
• 3x shaft seal ring
• Needle bearing

Note: The two bearings and the oil seal are already fitted to the crankshaft. The additional bearings and another oil seal are intended for the rear gearwheel.

Dimensions:
Weight: 873g
Cheek type: Standard
Material: Steel
Crankshaft stroke: 43mm
Connecting rod length center-center: 90mm
Total length of crankpin on clutch side: 74mm
Total length crankpin ignition side: 66mm
Diameter of crank webs: 69.9mm
Diameter of piston pin: 12mm
Thread type: MF10x1 (fine pitch thread)
Diameter of connecting rod eye: 15mm
Diameter bearing seat (clutch side): 17mm
Bearing seat diameter (ignition side): 17mm
Needle roller bearing: 12 / 15x14.2mm (axe 12)
Thread length: 11mm, 15mm
Crank web width: 34mm
Length 1st shoulder: 9mm
Length 2nd shoulder: 14.5mm
Length 3rd shoulder: 25mm
Diameter 1st shoulder (clutch side): 22mm
Diameter 2nd shoulder (clutch side): 17mm
Diameter 3rd shoulder (clutch side): 15mm
Length of shoulder (ignition side): 26.3mm

OEM numbers for comparison purposes: 349.1.10.115.0, 901.3801, 900.6203, 902.3835, 900.6233