FunBikes FunKart Front Wheel BearingFUN:BIKESFunBikes FunKart Front Wheel Bearing
Sold individually, however the wheel rim requires two bearings, and you should change both of them at the same time.
Should also fit all the other look-a-like go karts https://www.funbikes.co.uk/p5215_funbikes-funkart-front-wheel-bearingPC303435
FunBikes FunKart Rear Axle Bearing BearingFUN:BIKESFunBikes FunKart Rear Axle Bearing Bearing
Single rear axle bearing.
Good practice is to replace both bearings at a time.
Could also fit all the other look-a-like go karts https://www.funbikes.co.uk/p5553_funbikes-funkart-rear-axle-bearing-bearingPCD5983C