What part numbers are those prices for??
here's some info I found from
this thread Found the bearings in the Timken catalog.
Hard to make a table, but here's a try:
Front (original) wheel bearings for 3/4 and 1 ton Chevy.
Bearing # ---- Bore --- O.D. ----- Overall Width --- Outer cup width --- Inner cone Width-
'53 to '59
B-46 ------- 1.4995 --- 3.1500 ---- 1.2360 ----------------- .8510 --------------- .9170
B-45 -------- .9058 ---- 2.2503 ---- .8000 ------------------ .6900 --------------- .6590
'46 to '52
B-26 ------- 1.4060 --- 3.1500 ---- 1.2260 ----------------- .8510 --------------- .9170
B-25 -------- .8435 ---- 2.2503 ---- .8000 -------------------.6900 --------------- .6590
Grigg
There are now aftermarket tapered roller bearings available through some of the usual restoration parts suppliers (and nowhere else that I can find) for 1 ton's and should fit 3/4 just the same