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| 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 |
 |
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 |
 |
|
| 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 | ||
|
Diagram |
 |
|
| Position | |||||||
|---|---|---|---|---|---|---|---|
| Pairs & PN |
|
||||||
| Quantity | 1 | ||||||
| Crankshaft | 66.965 / 66.972 | ||||||
| Housing | 0.000 / 0.000 | ||||||
| Max Wall | 2.510 | ||||||
| Max Length | 18.352 |
Part number 8B1580H-0.25
ACL Race Series connecting rod bearings
BMW M3 E90 - 4.0 V8 (S65B40)
|
|||||||
| Quantity | 4 | ||||||
| Crankshaft | 51.999 / 51.989 | ||||||
| Housing | 54.999 / 55.019 | ||||||
| Max Wall | 1.491 | ||||||
| Max Length | 19.969 |
|
|||||||
| Quantity | 5 | ||||||
| Crankshaft | 47.777 / 47.757 | ||||||
| Housing | 50.599 / 50.620 | ||||||
| Max Wall | 1.402 | ||||||
| Max Length | 18.971 |
Part number 50009880.
Kolbenschmidt plain bearing measuring tape / plastic gauge kit (10 pcs.).
Measuring strips for the determination of bearing clearance for plain bearings
