Manufacturer: ACL Bearing Company
Part number: 4B1490H-STD
For BMW - 1.6 1.8 1.9 (M40, M42, M43, M44)
ENGINE BEARINGS | ||
MAIN BEARING SET |
||
Part# | ||
5M1538H |
5M1538HX |
|
Sizes | STD, .025, .25, .50 | STD |
Oil Clearance | Standard | + 0.001" Extra |
Half Type | Upper & Lower | |
Material | Tri-metal | |
Min Std Shaft Size | 2.3611in / 59.971mm | |
Max Std Shaft Size | 2.3618in / 59.990mm | |
Min Std Tunnel Size | 2.5591in / 65.000mm | |
Max Std Tunnel Size | 2.5598in / 65.019mm | |
Max Wall at Crown | 0.0980in / 2.490mm | 0.0930in / 2.478mm |
Max Overall Length |
0.787in / 20.00mm #1,2,4,5 0.982in / 24.94mm #3 thrust |
|
Notes | ||
Diagram |
|
ENGINE BEARINGS | ||
MAIN BEARING SET |
||
Part# | ||
5M1538H |
5M1538HX |
|
Sizes | STD, .025, .25, .50 | STD |
Oil Clearance | Standard | + 0.001" Extra |
Half Type | Upper & Lower | |
Material | Tri-metal | |
Min Std Shaft Size | 2.3611in / 59.971mm | |
Max Std Shaft Size | 2.3618in / 59.990mm | |
Min Std Tunnel Size | 2.5591in / 65.000mm | |
Max Std Tunnel Size | 2.5598in / 65.019mm | |
Max Wall at Crown | 0.0980in / 2.490mm | 0.0930in / 2.478mm |
Max Overall Length |
0.787in / 20.00mm #1,2,4,5 0.982in / 24.94mm #3 thrust |
|
Notes | ||
Diagram |
|
ENGINE BEARINGS | ||
MAIN BEARING SET |
||
Part# | ||
5M1538H |
5M1538HX |
|
Sizes | STD, .025, .25, .50 | STD |
Oil Clearance | Standard | + 0.001" Extra |
Half Type | Upper & Lower | |
Material | Tri-metal | |
Min Std Shaft Size | 2.3611in / 59.971mm | |
Max Std Shaft Size | 2.3618in / 59.990mm | |
Min Std Tunnel Size | 2.5591in / 65.000mm | |
Max Std Tunnel Size | 2.5598in / 65.019mm | |
Max Wall at Crown | 0.0980in / 2.490mm | 0.0930in / 2.478mm |
Max Overall Length |
0.787in / 20.00mm #1,2,4,5 0.982in / 24.94mm #3 thrust |
|
Notes | ||
Diagram |
|
Lifter data:
Outer diameter - 35.00mm
Inner diameter - 33.10mm
Outer height - 26.00mm
Stem length - 14.70mm
Stud diameter - 7.00mm
Weight - 50g
16 pcs. FCP Engineering racing mechanical solid lifters.
Forged steel, nitride hardened surface, HRC 50.
Installed follower height to camshaft must be adjusted with lash caps (not included).
Outer diameter - 32.97mm
Inner diameter - 31.00mm
Outer height - 26.50mm
Stem length - 13.90mm
Stud diameter - 7.00mm
16 pcs. FCP Engineering racing mechanical solid lifters
Forged steel, nitride hardened surface, HRC 50
Installed follower height to camshaft must be adjusted with lash caps (not included)