
| ENGINE BEARINGS | ||
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MAIN BEARING SET |
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| Part# | ||
| 5M1644H |
5M1644HX |
|
| Sizes | STD, .25, .50 | STD |
| Oil Clearance | Standard | + 0.001" Extra |
| Half Type | Upper & Lower | |
| Material | Tri-metal | |
| Min Std Shaft Size | 2.1243in / 53.958mm | |
| Max Std Shaft Size | 2.1251in / 53.978mm | |
| Min Std Tunnel Size | 2.3228in / 59.000mm | |
| Max Std Tunnel Size | 2.3236in / 59.019mm | |
| Max Wall at Crown | 0.0985in / 2.502mm | 0.0980in / 2.489mm |
| Max Overall Length | 0.728in / 18.49mm | |
| Notes | Set contain 6 x 1648H and 4 x 1644H shells. Use 1648H shell in #4 position as upper and lower. | |
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Diagram |
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Product info:
Width: 25mm
Number of tooth: 153
Gates' timing belts offer a precision fit with easy installation and no interference engine damage - exactly what you've come to expect from the worldwide leader in timing belts.
- Tensile cord reinforced with premium, high-strength glass cords
- Gripping teeth with aramid fiber technology and high saturation HNBR elastomeric composites for exceptional durability and heat resistance.
- Wear-resistant tooth jacket supported by reinforced nylon fabric and double-tooth stability.
The superior construction of Gates timing belts makes them 300 percent stronger than the standard aftermarket belt while providing up to three times the heat resistance.

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Product detailed specification |
|
|
Model number |
AEVI-1103S-HS |
|
Head diameter |
29.90mm |
|
Stem diameter |
5.94mm |
|
Length |
103.90mm |
|
Material |
Inconel-Nimonic / Sodium Filled |
|
Fits for |
Audi / VW – 1.8 1.8T 2.4 2.7T 2.8 3.0 (5V per cylinder) |
