Axle Seal / Wheel Bearings
I bought a 1954 Chev 3100 truck and started working on the rear brakes.
After removal of the drums I could see that it had leaking axle seals.
I ordered all new brake hardware (brake shoes, springs, wheel cylinders, master cylinder, rear axle bearings and grease seals).
I removed the brake hardware and pulled the axle. I then pulled the oil seal and compared to the new one...something is wrong. The bearings and axle seals I bought are too small.
I'm thinking I have a 1 ton axle under my truck based on the fact that I can count 10 leaf springs.
I took the following measurements:
Axle tube opening:
70.33mm / 2.76"
Old oil seal:
70.39mm / 2.77"
New oil seal:
61.3mm / 2.41"
Part number National 450666
New bearing:
61.25mm / 2.4mm
Part number National R1500EL
Since the parts I ordered for a 1/2 ton truck are too small, I'm thinking I have a heavier duty axle under the truck but need help identifying.
The 10 leafs in the springs are a clue. Is this a 1 ton axle?
It does have the enclosed drive line.
Thanks in advance for help.
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