Skate Bearings Trying To Buy Skate Bearings From Non-skate Company... What Are The Dimensions Of Longboard Bearings?

Trying to buy skate bearings from non-skate company... what are the dimensions of longboard bearings? - skate bearings

I'm tired of decent ball for + $ 50 for a game. So I started looking at the industrial level of well-known companies such as Timken and Fafner, and I will try to nonspecific skate bearings, which would be cheaper cuz. But I need to know on the outside diameter of the bearing inner diameter. However, they have an accurate way to measure the dimensions. If you know please help me! Thank you!