Part number 5M1112H-STD
ACL Race Series main bearings
Alfa Romeo - 1.3 1.6 1.8 2.0
| ENGINE BEARINGS | ||||
![]() |
CON ROD BEARING SET |
MAIN BEARING SET |
||
| Part# | Part# | |||
| 5M1112H |
||||
| Sizes | STD, .025, .25, .50 | |||
| Oil Clearance | Standard | |||
| Half Type | Upper & Lower | |||
| Material | Tri-Metal | |||
| Min Std Shaft Size |
2.3606" / 59.959mm |
|||
| Max Std Shaft Size |
2.3611" / 59.972mm |
|||
| Min Std Tunnel Size |
2.5062" / 63.657mm |
|||
| Max Std Tunnel Size |
2.5069" / 63.675mm |
|||
| Max Wall at Crown |
0.0720" / 1.829mm |
|||
| Max Overall Length |
0.723" / 18.36mm # 2, 4 (1113H) 1.005 " / 25.52mm # 1, 3, 5 (1112H) |
|||
| Notes | Set contains 6 x 1112H and 4 x 1113H shells. | |||
|
Diagram |
|
|||

Part number 81950
Permatex Ultra Slick assebly lubricant, lube oil for engine bearings.
Capacity 118 ml

| ENGINE BEARINGS | ||||
![]() |
CON ROD BEARING SET |
MAIN BEARING SET |
||
| Part# | Part# | |||
| 4B1110H |
5M1112H |
|||
| Sizes | STD, .25 | STD, .025, .25, .50 | ||
| Oil Clearance | Standard | Standard | ||
| Half Type | Identical Halves | Upper & Lower | ||
| Material |
Tri-metal Hardened steel backs |
Tri-Metal | ||
| Min Std Shaft Size |
1.9680" / 49.987mm |
2.3606" / 59.959mm |
||
| Max Std Shaft Size |
1.9685" / 50.000mm |
2.3611" / 59.972mm |
||
| Min Std Tunnel Size | 2.1139 " / 53.693mm |
2.5062" / 63.657mm |
||
| Max Std Tunnel Size |
2.1145 " / 53.708mm |
2.5069" / 63.675mm |
||
| Max Wall at Crown |
0.0723" / 1.836mm |
0.0720" / 1.829mm |
||
| Max Overall Length |
0.923" / 23.44mm |
0.723" / 18.36mm # 2, 4 (1113H) 1.005 " / 25.52mm # 1, 3, 5 (1112H) |
||
| Notes | Set contains 6 x 1112H and 4 x 1113H shells. | |||
|
Diagram |
![]() |
|
||