Wheel bearing sizes
04-18-13, 04:43 PM
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Wheel bearing sizes
I noticed the the bearing were loose on my spare set of mountain bike wheels. Well I guess they are actually the main set since they are the ones with the knobbies the other set is for the street tires. Anyway, I went to tighten the bearings but since it had been years since I had done any maintenence on them I decided to take them apart and clean and repack the bearings. Well I was on my elevated porch and when I took the axle out of the front hub all the bearings fell out and I wasn't able to find all of them. I had a spare rear so I took it apart and found that the bearings on it are bigger. Is this common on Shimano hubs. I don't really now the sizes and I don't have anyway of measuring anything that small. Are they in stardard sizes. I might just order a variety pack of bearings but I would like to upgrade to cartrige bearings but I don't know what size to order. If somebody could help it would be appreciated.
Thanks Ben
Thanks Ben
04-18-13, 04:53 PM
#2
Really Old Senior Member
1/4" rear 9 per side.
3/16" front. MOST usually 10 per side.
Just stop by the LBS and get them, unless you are ordering a bunch of other stuff. Shipping costs for $2-3 worth of bearings is hardly justified.
IF they fell out, you need to service them more frequently, because you let them get "dry". They are probably garbage anyway.
3/16" front. MOST usually 10 per side.
Just stop by the LBS and get them, unless you are ordering a bunch of other stuff. Shipping costs for $2-3 worth of bearings is hardly justified.
IF they fell out, you need to service them more frequently, because you let them get "dry". They are probably garbage anyway.
04-18-13, 05:22 PM
#3
Mechanic/Tourist
sheldonbrown.com/harris/bearings.html - First result in both Google and Bing for bike bearing sizes
04-18-13, 07:16 PM
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My second favoritist tool is a strong, extendable magnet. I'm always dropping something just out of my reach so I need a magnet with some reach and some lift! I'm always dropping a bearing or two! It's great dropping a bearing, grabbing my magnet, sticking it down into the darkness and coming up with that bearing! Whoo hoo! A well spent $4.00!
04-18-13, 07:25 PM
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Finding the balls is easy, and they're very inexpensive, so you learned a good lesson cheap.
Never do work involving small parts, or disassembly on grass, or surfaces where parts can fall through.
Never do work involving small parts, or disassembly on grass, or surfaces where parts can fall through.
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Chain-L site
An ounce of diagnosis is worth a pound of cure.
Just because I'm tired of arguing, doesn't mean you're right.
“One accurate measurement is worth a thousand expert opinions” - Adm Grace Murray Hopper - USN
WARNING, I'm from New York. Thin skinned people should maintain safe distance.
