Bearing set to Suspension Arm

Anyone who knows: Can Bearing set suspension arm no 91621800 replace bearing set no 91621900 for Vespa 125cc year 1962, modell VNS 2 T (S is for Sweden modell Popolino)?

best would be item  91621800 .

Saluti Angelo

Angelo, Thank you!

Best regards

Vespa Popolino 1962