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 |
|
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).
Manufacturer: ACL Bearing Company
Part number: 4B1490H-STD
For BMW - 1.6 1.8 1.9 (M40, M42, M43, M44)
Part number starting with 330 |
|
Athena advantages |
|
Reinforced material |
Asbestos free composite raw material OE approved |
Stainless steel ring (AISI304) |
Separate stainless steel rings assure maximum sealing around cylinder bore also on NOS and/or turbo charged engine where boost is over 2 bars. No head and block machining required |
Silicon beading |
Silicon-based beading is applied on critical areas to improve sealing around all cooling water and oil passages |