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Shop/Category/Fig. 21 — QUICKLY DETACHABLE REAR WHEEL (NOT U.S.A.)/Bearing
Bearing
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Also known asW1041
DiagramFig. 21 — QUICKLY DETACHABLE REAR WHEEL (NOT U.S.A.) · ref 21
Subsystemwheels
Listed in parts books1960–1962, 1964–1969
Also fits (as replacement)1969–1970 · for 65-5883

Bearing

A bearing for the Triumph quickly detachable rear wheel hub, part number 37-1041 (also W1041).

PN · 37-1041
Supersedes 65-5883 — earlier factory number for this part.

This is a bearing used in the quickly detachable rear wheel setup, part number 37-1041, also listed under the older W1041 designation. It shows up across catalog entries running from 1960 through 1969, tied specifically to the quick-detach rear wheel arrangement rather than the standard fixed hub.

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The QD rear wheel was Triumph's answer to roadside punctures — pull the wheel off without disturbing the chain or brake, and this bearing is part of what lets that hub spin freely and stay located once it's back in. Beyond that, our records don't spell out further dimensions or material for this one.

If you're rebuilding a QD rear hub, it's worth checking this against what's actually in your wheel before ordering, since the catalog data here doesn't narrow it to a specific model or year within that range. Give the shop a call if you want that confirmed.

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Related parts
Bearing and felt retainer
PN 37-1043 · Usually replaced with this
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Bearing sleeve
PN 37-1045 · Goes with this
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Backing ring
PN 37-1033 · Goes with this
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Taper roller bearing complete
PN 37-1034 · Goes with this
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Grease retainer
PN 37-1143 · Usually replaced with this
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Rubber sealing ring
PN 37-1091 · Usually replaced with this
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