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| ENGINE BEARINGS | ||
 |
CON ROD BEARING SET |
|
| Part# | ||
| 4B1912H |
4B1912HX |
|
| Sizes | STD, 025, .25 | STD |
| Oil Clearance | Standard | + 0.001" Extra |
| Half Type | Identical Halves | |
| Material |
Tri-metal Hardened steel backs |
|
| Min Std Shaft Size |
1.889in / 47.98mm |
|
| Max Std Shaft Size |
1.8898in / 48mm |
|
| Min Std Tunnel Size |
2.008in / 51.004mm |
|
| Max Std Tunnel Size |
2.0088in / 51.024mm |
|
| Max Wall at Crown |
0.0589in / 1.496mm |
0.0584in / 1.483mm |
| Max Overall Length |
0.7638in / 19.4mm |
|
| Notes | ||
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Diagram |
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| ENGINE BEARINGS | ||||
|
CON ROD BEARING SET |
MAIN BEARING SET |
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| Part# | Part# | |||
| 4B2904H |
4B2904HX |
5M2908H |
5M2908HX |
|
| Sizes | STD, .025, .25 | STD | STD, .025, .25 | 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 |
1.9995in / 50.787 mm |
2.0862 in / 52.991 mm |
||
| Max Std Shaft Size |
2.0003in / 50.807 mm |
2.0866 in / 53.000 mm |
||
| Min Std Tunnel Size |
2.1219 in / 53.897 mm |
2.2330 in / 56.717 mm |
||
| Max Std Tunnel Size |
2.1226 in / 53.913 mm |
2.2337 in / 56.735 mm |
||
| Max Wall at Crown |
0.0605in / 1.536 mm |
0.0600in / 1.523 mm |
0.0726 in / 1.843 mm |
0.0720 in / 1.830 mm |
| Max Overall Length |
0.768 in / 19.50 mm |
0.817 in / 20.75 mm (2908H/HX) 0.955 in / 24.25 mm (2909H/HX) |
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| Notes | - | - | ||
|
Diagram |
 |
2908H & HX - Positions 1,2,4,5
2909H & HX - Position 3
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| THRUSTWASHER SET | ||||
| Part# | Material | |||
| Sizes | Notes | - | ||
|
CON ROD BEARING SET |
|
| Part# | ||
| 4B1630H |
4B1630HX |
|
| Sizes | STD, .025, .25, .50 | STD |
| Oil Clearance | Standard | + 0.001" Extra |
| Half Type | Identical Halves | |
| Material |
Tri-metal Hardened steel backs |
|
| Min Std Shaft Size |
1.7701in / 44.961mm |
|
| Max Std Shaft Size |
1.7701in / 44.961mm |
|
| Min Std Tunnel Size |
1.8898in / 48mm |
|
| Max Std Tunnel Size |
1.8903in / 48.013mm |
|
| Max Wall at Crown |
0.0593in / 1.505mm |
0.0587in / 1.492mm |
| Max Overall Length |
0.7323in / 18.6mm |
|
| Notes | ||
|
Diagram |
 |
|
| Sizes | STD, .025, .25 |
| Oil Clearance | |
| Half Type | |
| Material | |
| Min. Std Shaft Size | 42,971 |
| Max. Std Shaft Size | 42,987 |
| Min. Std Tunnel Size | 46,000 |
| Max. Std Tunnel Size | 46,013 |
| Max Wall at Crown | 1.495 |
| Max Overall Length | 16.63 |
| Weight | 0.12 |
| Notes |
| NGINE BEARINGS | ||
|
CON ROD BEARING SET |
|
| Part# | ||
| 4B2322H |
4B2322HX |
|
| Sizes | STD, .025, .25, .50 | STD |
| Oil Clearance | Standard | + 0.001" Extra |
| Half Type | Upper & Lower | |
| Material |
Tri-metal Hardened steel backs |
|
| Min Std Shaft Size |
1.9280in / 48.971mm |
|
| Max Std Shaft Size | 1.9286 in / 48.987mm | |
| Min Std Tunnel Size |
2.0472in / 52.000mm |
|
| Max Std Tunnel Size |
2.0477in / 52.012mm |
|
| Max Wall at Crown |
0.0591in / 1.500mm |
0.0596in / 1.513mm |
| Max Overall Length |
0.760in / 19.30mm |
|
| Notes | Upper rod bearing has two oil holes to cover early and late engines. | |
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Diagram |
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