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Triumph 350cc to 550cc Bearings 1929 – 1970

350cc – Side Valve and OHV models

YEAR MODEL CON ROD Cast # BIG END Pt # CAGE pt # SM END Pt # MAIN Bearing Drive MAIN Bearing Timing
1930 – 32 WL – Side Valve TE6 T5 – SE96
1934 – 36 3-1 E658 T3 – SE89
1937 – 45 3S, 3SW, 3SE E1578 T3 – SE88 LS11 / LS10 LS10
1934 – 35 3-5 E518 T4 – SE90
1934 – 35 3-2 E518 T4 – SE90
1936 3-5 E518 T4 – SE90
1936 3-2 E1134 T3 – SE89
1936 Tiger 80 1134T T3 – SE84 LS11 / LS10 LS10
1937 – 39 Tiger 80 E1401T T3 – SE84 LS11 / LS10 LS10
1937 – 40 3H, 3HW E1401 3T – SE84 LS11 / LS10 LS10

 

350cc Twins – Plain bearing models

YEAR MODEL BIG END Shell # BIG END Journal STD size & Tolerance SMALL END Pt # MAIN Bearing Drive MAIN Bearing Timing
1945 – 51 3T B2047M (70-3706) 1.4370 to 1.4375″ SE105 MS10
1957 – 66 Twenty One, 3TA, Tiger 90
 B2047M (70-3706)
 1.4370 to 1.4375″ SE105 330V2 70-4322 (1.4400 to 1.4405″)
ROW 3 COL 1 ROW 3 COL 2 ROW 3 COL 3 ROW 3 COL 4 ROW 3 COL 5 ROW 3 COL 6 ROW 3 COL 7
1965 – 69 Tiger 90 B2047M (70-3706) 1.4370 to 1.4375″ SE105 R330L 135

 

500cc Singles  1921 – 39

YEAR MODEL CON ROD Cast # BIG END Pt # CAGE pt # SM END Pt # MAIN Bearing Drive MAIN Bearing Timing
1921 – 31 Model N TE6 T5 – SE94
1937 – 40 5S, 5SW, 5SE E1578 T3 – SE88 LS11 / LS10 LS10
1927 – 31 TT, ST, CTT TE6 T5 SE94
1934 – 36 5-2, 5-4 E518 T4 SE90
1934 – 36 5-5 E518 T4 SE90
1936 Tiger 90 E518T T4 SE90
1937 – 39 5H E1298 T4 SE91
1937 – 39 Tiger 90 E1298 T4 SE91

 

500cc Twins (plain Bearing models)

YEAR MODEL BIG END Shell # BIG END journal Std size & tolerance SM END Pt # MAIN Bearing Drive MAIN Bearing Timing
1946 -54 5T / T100 B2026M (70-3586) 1.4370 to 1.4375″ SE106 MS11 RM10LL
1955 – 59 5T, T100 & TR5 B2026M (70-3586) 1.4370 to 1.4375″ SE106 MS11 MS11
1959 – 66 5TA & T100A S/S B2026M (70-3586) 1.4370 to 1.4375″ SE200 330V2 70-4322 (1.4395 to 1.440″)
1966 – 67 T100C, T100S, T100R & T B2026M (70-3586) 1.4370 to 1.4375″ SE200 R330L 135
1968 – 69 T100C, T100S, T100R & T B2026M (70-3586) 1.4370 to 1.4375″ SE200 R330L 135
1970 on T100 & T100T B2026M (70-3586) 1.4370 to 1.4375″ – – –

 

550cc Side Valve models

YEAR MODEL CON ROD Cast # BIG END Pt # CAGE pt # SM END Pt # MAIN Bearing Drive MAIN Bearing Timing
1929 – 33 NSD, ND TE6 T5 – SE94
1934 – 35 5-1, 5-3 E441 T4 – SE90
1936 5-1, 5-3 E518 T4 – SE90

The information provided on this page is a guide. It is the same information provided by a UK bearing company. If there are gaps in the data, it’s because the information isn’t available, or the part doesn’t exist.