| ENGINE BEARINGS | ||||
 |
CON ROD BEARING SET |
MAIN BEARING SET |
||
| Part# | Part# | |||
|
4B1606H |
4B1606HX |
5M1644H |
5M1644HX |
|
| Sizes | STD, .025, .25, .50 | STD | STD, .25, .50 | STD |
| Oil Clearance | Standard | + 0.001" Extra | Standard | + 0.001" Extra |
| Half Type | Identical Halves | Upper & Lower | ||
| Material |
Tri-metal Hardened steel backs |
Tri-metal | ||
| Min Std Shaft Size |
1.8802in / 47.758mm |
2.1243in / 53.958mm | ||
| Max Std Shaft Size |
1.8810in / 47.778mm |
2.1251in / 53.978mm | ||
| Min Std Tunnel Size |
1.9921in / 50.600mm |
2.3228in / 59.000mm | ||
| Max Std Tunnel Size |
1.9929in / 50.619mm |
2.3236in / 59.019mm | ||
| Max Wall at Crown |
0.0553in / 1.405mm |
0.0548in / 1.392mm |
0.0985in / 2.502mm | 0.0980in / 2.489mm |
| Max Overall Length |
0.748in / 19.00mm |
0.728in / 18.49mm | ||
| Notes | contains one oil hole | Set contain 6 x 1648H and 4 x 1644H shells. Use 1648H shell in #4 position as upper and lower. | ||
|
Diagram |
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| Thrustwasher | ||||
| Part# | 2T1644 | Material | F817 | |
| Sizes | STD | Notes | Use with engines equipped with thrustwashers | |