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Mine are soaking at this time. Once I get them cleaned up, I'll post new pictures. I can say the rollers on mine are fewer, narrower and larger diameter. It would be nice if there were some online universal cross reference you could enter numbers into to find out bearing manufacturer company names and vehicle applications.

Thanks for the clarification. These are 3/4 floating with roller bearings.

Very ingenious! Thank you for posting that. I have the equipment to fabricate these. I did see the two holes in the race and considered the use of those for removal. Your tool is ticket!

Thank you for the info Fred. I don't actually have a use for these, but I have quite a bit of antique car and truck parts that I would like to make available for sale to people in need, and some of them I'm still working on identifying. Greg

I have 2 rear wooden spoke wheel hubs with seal/bearing retainers, bearings and brake drums. I'm trying to nail down what year and model these belong to. My research on these shows them belonging to Buick, in the area of the late teens to early 20's. They have single Hyatt type roller bearings, with threaded bearing retainers, with locking tabs and felt seals. Another question I have is, how do you remove the outer race from the hub, since there is no relief machined into the hub for puller jaws or drifting? Any info is appreciated. I've included some pics. Greg

I have three new-old-stock cam gears manufactured by Perfection Gear Co. The stock number is 636. Haven't had any luck searching the net. Closest application I've found (going by dimensions, tooth count, etc) is possibly 1929-1934 Chevrolet. In order to get these to the right people I need to know for sure. The dimensions are: 7/8" wide, 7/8" hub, 6" diameter. 52 teeth. The hub is stamped 474. Any help is appreciated!

Thank you for the reply. I never thought of that and it does make sense. The caps fit snugly, but not to the point where they would be air tight. They were found in a box with standard zerk fittings and Alemite pin-type grease fittings, so I just assumed they fell into that category. Trying to find a home for them. Best regards.

I have a number of these type of fittings with varying threaded bases. All of them have a protective cap. Most appear to be threaded 1/8" NPT. A few have unusual thread patterns, having the correct diameter for 1/4" NPT, but the thread pitch is the same as 1/8" NPT. I believe they are some type of grease fitting, but if so, I've never seen this type before. Any help is appreciated.