
| ENGINE BEARINGS | ||
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MAIN BEARING SET |
|
| Part# | ||
| 5M1633H |
5M1633HX |
|
| Sizes | STD, .025, .25, .50 | STD |
| Oil Clearance | Standard | + 0.001" Extra |
| Half Type | Upper & Lower | |
| Material | Tri-Metal | |
| Min Std Shaft Size |
2.0847in / 52.951mm |
|
| Max Std Shaft Size |
2.0852in / 52.964mm |
|
| Min Std Tunnel Size |
2.2305in / 56.654mm |
|
| Max Std Tunnel Size |
2.231in / 56.667mm |
|
| Max Wall at Crown |
0.0720in / 1.830mm (1633H) |
0.0715in / 1.818mm (1633HX) 0.0717in / 1.823mm (1635HX - Flange) |
| Max Overall Length |
0.787in / 20.00mm (1633H/HX) 1.100in / 27.95mm (1635H/HX - Flange) |
|
| Notes | ||
|
Diagram |
1633H & HX - Positions 1, 2, 4, 5
1635H & HX - Position 3
|
|

|
Product detailed specification |
|
|
Bore size |
83.00mm |
|
Stroke |
92.80mm |
|
JE Pistons compression ratio (CR) |
9.5:1 |
|
OEM compression ratio (CR) |
10.0:1 |
|
Dome volume (CC) |
-8.10cm3 |
|
Compression height (CH) |
29.60mm |
|
Pin diameter |
22mm |
|
Features |
Accepts Turbo and Nitrous; Ultra series |
|
Fits for |
Audi TTRS, RS3 - 2.5 20V TFSI |

| Sizes | STD, .025, .25 |
| Oil Clearance | Standard |
| 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 | 0.0591in / 1.5mm |
| Max Overall Length | 0.6063in / 15.40mm |
| Weight | 0.12 |
| Notes | 0 |

| Sizes | STD, .025, .25 |
| Oil Clearance | Standard |
| Half Type | Identical halves |
| Material | Tri-metal Hardened steel backs |
| Min. Std Shaft Size | 2.0465in / 51.981mm |
| Max. Std Shaft Size | 2.0472in / 52mm |
| Min. Std Tunnel Size | 2.1663in / 55.024mm |
| Max. Std Tunnel Size | 2.167in / 55.042mm |
| Max Wall at Crown | 0.0593in / 1.506mm |
| Max Overall Length | 0.7598in / 19.3mm |
| Weight | 0.253 |
| Notes | 0 |


| Sizes | STD, .025, .25, .50 |
| Oil Clearance | Standard |
| Half Type | Identical Halves |
| Material | Tri-Metal |
| Min. Std Shaft Size | 2.3616in / 59.984mm |
| Max. Std Shaft Size | 2.3622in / 60.000mm |
| Min. Std Tunnel Size | 2.5197in / 64.000mm |
| Max. Std Tunnel Size | 2.5205in / 64.020mm |
| Max Wall at Crown | 0.0789in / 2.005mm |
| Max Overall Length | 0.7480in / 19.00mm (8297H/HX) 0.5953in / 15.12mm (8298H/HX) 0.8642in / 21.95mm (8299H/HX - Flange) |
| Weight | 0.31 |
| Notes | Thrust in #3 pos. |

|
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 |



