
| 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 | ||
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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. | |
|
Diagram |
|
|

| Sizes | STD, .025, .25 |
| Oil Clearance | Standard |
| 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 | 0.0591in / 1.5mm |
| Max Overall Length | 0.6063in / 15.40mm |
| Weight | 0.12 |
| Notes | 0 |

| ENGINE BEARINGS | ||
![]() |
MAIN BEARING SET |
|
| Part# | ||
| 5M1633H |
5M1633HX |
|
| Sizes | STD, .025, .25, .50 | STD |
| Oil Clearance | Standard | + 0.001" Extra |
| Half Type | Upper & Lower | |
| Material | Tri-Metal | |
| Min Std Shaft Size |
2.0847in / 52.951mm |
|
| Max Std Shaft Size |
2.0852in / 52.964mm |
|
| Min Std Tunnel Size |
2.2305in / 56.654mm |
|
| Max Std Tunnel Size |
2.231in / 56.667mm |
|
| Max Wall at Crown |
0.0720in / 1.830mm (1633H) |
0.0715in / 1.818mm (1633HX) 0.0717in / 1.823mm (1635HX - Flange) |
| Max Overall Length |
0.787in / 20.00mm (1633H/HX) 1.100in / 27.95mm (1635H/HX - Flange) |
|
| Notes | ||
|
Diagram |
1633H & HX - Positions 1, 2, 4, 5
1635H & HX - Position 3
|
|

| Sizes | STD, .025, .25, .50 |
| Oil Clearance | Standard |
| Half Type | Identical Halves |
| Material | Tri-Metal |
| Min. Std Shaft Size | 2.3616in / 59.984mm |
| Max. Std Shaft Size | 2.3622in / 60.000mm |
| Min. Std Tunnel Size | 2.5197in / 64.000mm |
| Max. Std Tunnel Size | 2.5205in / 64.020mm |
| Max Wall at Crown | 0.0789in / 2.005mm |
| Max Overall Length | 0.7480in / 19.00mm (8297H/HX) 0.5953in / 15.12mm (8298H/HX) 0.8642in / 21.95mm (8299H/HX - Flange) |
| Weight | 0.31 |
| Notes | Thrust in #3 pos. |

| ENGINE BEARINGS | ||
![]() |
CON ROD BEARING SET |
|
| Part# | ||
| 6B1490H |
6B1490HX |
|
| 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 |
1.7707in / 44.975mm |
|
| Max Std Shaft Size |
1.7713in / 44.991mm |
|
| Min Std Tunnel Size |
1.8898in / 48.000mm |
|
| Max Std Tunnel Size |
1.8904in / 48.016mm |
|
| Max Wall at Crown |
0.0588in / 1.493mm |
0.0583in / 1.481mm |
| Max Overall Length |
0.709in / 18.00mm |
|
| Notes | ||
|
Diagram |
|
|

| ENGINE BEARINGS | ||
![]() |
CON ROD BEARING SET |
|
| Part# | ||
| 6B1497H |
6B1497HX |
|
| 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 |
1.9281in / 48.975mm |
|
| Max Std Shaft Size |
1.9288in / 48.991mm |
|
| Min Std Tunnel Size |
2.0866in / 53.000mm |
|
| Max Std Tunnel Size |
2.0872in / 53.015mm |
|
| Max Wall at Crown |
0.0785in / 1.993mm |
0.0780in / 1.980mm |
| Max Overall Length |
0.709in / 18.00mm |
|
| Notes | ||
|
Diagram |
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|