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Hub and Drum and Bearing Kit to go with 7 x 1-3/4 Inch Hydraulic Brake Assembly 23-399

Question:

I was just reading your answer to this same question from another person and was wondering where he got the 1.63 diameter in the middle? I have ordered these to replace my old atwoods and am just making sure I ordered the right thing. My holes are 2 and 7/8 apart but i cant seem to find the 1.63 diameter anywhere. Also, do you guys sell the drums that go over these assemblies? Thank you for the help Also, what bearing kit fits these assemblies. I ordered the b1-150 i think. Thanks

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Helpful Expert Reply:

I believe that in the question you are referring to the 1.64 measurement is on the brake mounting flange, # 4-34. The center hole of the brake assembly, # 23-399, is larger than this and that is normal so it doesn't sound like you have anything to worry about for that. The matching left hand brake assembly is # 23-398.

For a hub and drum assembly you can use # 8-276-5 which has a 4 on 4 bolt pattern and you would use bearing kit # BK1-150. For a 5 on 4-1/2 bolt pattern you can use hub and drum # 8-271-7UC3-EZ which includes the bearings, races, and seal.

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