Binaural
Eats Squid
My old bearings in my roadie commuter bike wheels are starting to get a bit loose - I can feel side-to-side play when I shake the rim, and there's starting to be rub on the brakes. So I reckon it's time to replace the cartridge-style bearings with something fresh while I'm on holiday this week.
However, finding some bearings is proving a bit of a pain. The wheels don't seem to to be made anymore, and I don't really want to go through Easton in the states - previous tech inquiries revealed that they did not even have manuals for the hubs and do not stock replacement bearings, so I'm on my own here. They did tell me the bearing numbers, 6901 x 1 on the front and 6902/6901's on the rear. From this page, I have worked out that
6 --> Single-row deep groove ball bearings
9 --> Very thin section (i.e. lightest duty)
01 --> Bore number 01 (12mm hole)
02 --> Bore number 02 (15mm hole)
I can't find a way to relate the bore number to the outer diameter via the section number - does anyone have any tips here? According to the aforementioned website it should be possible. I also have no idea as to what sealing is required, i.e. double sealed, double non-contact sealed etc. Does anyone know what I should specify here when I order? Searching SKF and NSK's websites has proved... frustrating.
All help much appreciated, especially any general information on getting everything in and out successfully!
However, finding some bearings is proving a bit of a pain. The wheels don't seem to to be made anymore, and I don't really want to go through Easton in the states - previous tech inquiries revealed that they did not even have manuals for the hubs and do not stock replacement bearings, so I'm on my own here. They did tell me the bearing numbers, 6901 x 1 on the front and 6902/6901's on the rear. From this page, I have worked out that
6 --> Single-row deep groove ball bearings
9 --> Very thin section (i.e. lightest duty)
01 --> Bore number 01 (12mm hole)
02 --> Bore number 02 (15mm hole)
I can't find a way to relate the bore number to the outer diameter via the section number - does anyone have any tips here? According to the aforementioned website it should be possible. I also have no idea as to what sealing is required, i.e. double sealed, double non-contact sealed etc. Does anyone know what I should specify here when I order? Searching SKF and NSK's websites has proved... frustrating.
All help much appreciated, especially any general information on getting everything in and out successfully!