| Listed in parts books | Not catalogued by year yet |
BEARING,MAIN BALL ZNL IND
Main ball bearing, Triumph PN 70-1591R, cross-referenced to bearing industry number RMS9 MJ 1 1/8.
This is the main ball bearing listed under Triumph part number 70-1591R. The catalog description marks it as a ball type main bearing with a zinc industrial finish note in the entry. Our records on this one are brief, so we don't have more detail beyond what's in the part listing itself.
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The alias RMS9 MJ 1 1/8 is the bearing-industry cross number for the same physical part, which tells you it follows a standard bearing size designation rather than being a one-off Triumph piece.
If you're trying to match this up to a specific gearbox or engine casing, give us a call and we'll confirm fitment before you order.
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