| Also known as | B1314, D3511 |
| Diagram | Fig. 11 — GEARBOX SHAFTS AND GEARS · ref 5 |
| Subsystem | gearbox |
| Listed in parts books | 1971–1974, 1976–1980, 1983, 1985 |
NEEDLE BEARING 5 SPEED MAINSHAFT HIGH GEAR
Needle roller bearing for the mainshaft high gear in the Triumph five-speed gearbox, also listed as B1314.
This is the needle roller bearing that rides on the mainshaft high gear in the five-speed Triumph gearbox. It sits inside the mainshaft high gear itself, letting that gear spin freely on the shaft under load without wearing the shaft or the gear bore. It shows up in the gearbox shafts and gears figures for the five-speed cluster, and the catalog also carries it under the old B1314 form for folks working from an older parts book.
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This is a wear item that a lot of gearboxes need more than one of when they're apart for a rebuild, since it's fitted more than once in the same gear assembly. If you're stripping down a five-speed box for inspection, it's worth checking the shaft and gear bore surface where this bearing rides for scoring or wear before you put a new one in.
We carry it under the current 60-3511 number, and it's a straightforward, inexpensive part to keep on hand if you're doing gearbox work on a five-speed unit twin or triple.
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