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Sunbeam
The cost of manufacturing replacement cages for the SU1 bearing is unusually high. Alpha can offer SU1M, which features a crowded race. This alternative design is recommended with every confidence. Customers who specifically require a caged bearing should note this on their order.
250cc
Year |
Model |
Con rod casting No. |
Big end Part No. |
Cage Part No |
Small end Part No. |
MAIN BEARINGS |
|||
Drive Side |
Timing Side |
||||||||
| — | O.H.V. Models | — |
— |
— |
— |
— |
— |
||
| 1931-34 | 14, 24 | — |
SU2 |
K36 |
SE79 |
— |
— |
||
| 1934 | Little 95 | — |
SU2 |
K36 |
SE79 |
— |
— |
||
| 1935 | High Cam | 1915M |
SU1 |
K35 |
SE77 |
— |
— |
||
| 1936-38 | 14, 24 | 1637M |
SU5 |
K36 |
SE80 |
— |
— |
||
| 1937-38 | 23 | 1637M |
SU5 |
K36 |
SE80 |
— |
— |
||
| 1939-40 | B23, c23 | WHT |
AMCSU |
K4 |
SE1 |
— |
— |
||
350cc
Year |
Model |
Con rod casting No. |
Big end Part No. |
Cage Part No |
Small end Part No. |
MAIN BEARINGS |
|||
Drive Side |
Timing Side |
||||||||
| — | O.H.V. Models | — |
— |
— |
— |
— |
— |
||
| 1931-35 | 8, 10 | — |
SU2 |
K36 |
SE79 |
— |
— |
||
| 1937-38 | 24 | 1637M |
SU5 |
K36 |
SE80 |
— |
— |
||
| 1939 | 350 | WHT |
AMC5 |
K3 |
SE1 |
— |
— |
||
500cc
Year |
Model |
Con rod casting No. |
Big end Part No. |
Cage Part No |
Small end Part No. |
MAIN BEARINGS |
|||
Drive Side |
Timing Side |
||||||||
| — | Side Valve Models | — |
— |
— |
— |
— |
— |
||
| 1929-31 | 5, 6, Lion Long Stroke | — |
SU4/3 |
K36 |
SE79 |
— |
— |
||
| 1932-33 | 5, 6, Lion Long Stroke | — |
SU4/3 |
K36 |
SE79 |
— |
— |
||
| 1934-39 | Lion Long Stroke, 19/29 B29 | 1915M |
SU1 |
K35 |
SE78 |
— |
— |
||
| — | O.H.V. Models | — |
— |
— |
— |
— |
— |
||
| 1928-31 | 7, 9, 90, 12, 25, 27 | — |
SU4/3 |
K36 |
SE79 |
— |
— |
||
| 1932-33 | 7, 9, 90, 12, 25, 27 | — |
SU4/10 |
K36 |
SE79 |
— |
— |
||
| 1934-38 | 7, 9, 90, 12, 25, 27 | 1915M |
SU1 |
K35 |
SE78 |
— |
— |
||
| 1939-40 | B25, C25 | WHT |
AMC6 |
K3 |
SE1 |
— |
— |
||
600cc
Year |
Model |
Con rod casting No. |
Big end Part No. |
Cage Part No |
Small end Part No. |
MAIN BEARINGS |
|||
Drive Side |
Timing Side |
||||||||
| — | Side Valve Models | — |
— |
— |
— |
— |
— |
||
| 1931 | Lion, Long Stroke | — |
SU4/3 |
K36 |
SE79 |
— |
— |
||
| 1932-33 | Lion, Long Stroke | — |
SU4/10 |
K36 |
SE79 |
— |
— |
||
| 1935-40 | Lion, Long Stroke, 20/30 B30 & C30 | 1915M |
SU1 |
K35 |
SE78 |
— |
— |
||
| — | O.H.V. Models | — |
— |
— |
— |
— |
— |
||
| 1931 | 9 | — |
SU4/3 |
K36 |
SE79 |
— |
— |
||
| 1932-33 | 9 | — |
SU4/10 |
K36 |
SE79 |
— |
— |
||
| 1934-38 | 9, 9C, 18, 28 | 1915M |
SU1 |
K35 |
SE78 |
— |
— |
||
| 1939-40 | B28, C28 | WHT |
AMC6 |
K3 |
SE1 |
— |
— |
||