| Also known as | W3337 |
| Diagram | Fig. 17 — FRONT WHEEL · ref 13 |
| Subsystem | wheels |
| Listed in parts books | 1968–1970, 1974 |
BEARING SUPPORT RING 69- Replaces 37-3749
Front wheel hub bearing support ring, PN 37-3337, replacing the earlier 37-3749 on unit-twin front wheels.
This is the bearing support ring for the front wheel hub, part number 37-3337, which replaced the earlier 37-3749 in production. It shows up across the front wheel figures for the smaller unit twins - T100T, T100R, T100C, and T100S/T90 - from 1969 into the early 1970s.
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The support ring sits in the front hub and helps locate the wheel bearing in place, keeping it seated correctly as the wheel spins on the spindle. It's a small, simple piece but it's part of getting the front hub bearings set up right, so it's worth checking the fit of the one you've got before you assume it's still doing its job.
You'll sometimes see this part referred to by its older alias W3337 in earlier parts books. If you're working from an older book and see 37-3749 called out, that's the number this one replaced - order 37-3337 today. Check your own parts book figure to be sure this is the ring your hub actually uses, since there were a few variations across these front wheel setups.
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