Sealed Power

129M1

Federal-Mogul 129M1 Auto Part

EAN: 0087674937146

UPC: 087674937146

Hypereutectic

FEDERAL MOGUL-SEALED POWER 129M1 MAIN BEARING SET
129M1
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Ford SB Main Bearing Set .001 over Sealed Power Speed-Pro 3/4 Groove, Tri Metal, Competition Series Ford, Small Block, Sold as a setSpeed-Pro Competition Series main bearings were developed in NASCAR and Pro Stock competition. Speed-Pro Competition Series main bearings H-14 Lining material that is bonded to a premium 1020AK steel backing. That's covered with a nickel barrier, followed by a thin lead-tin-copper overplate. However, unlike other performance bearings, there is no flash tin layer on top of that. Speed-Pro's engineers have determined that such a layer can actually move around under high loads--sometimes with undesirable consequences. The key to reducing fatigue wear in bearings is to keep the overplating thickness to a minimum Speed-Pro Competition Series main bearings have 3/4 oil grooves for enhanced lubrication, while maintaining a maximum bearing surface area. They also feature Speed-Pro's exclusive contoured-flange thrust bearing technology for higher thrust-loading capacity. Min. Shaft 2.2482 Max. Shaft 2.249 Min. Housing 2.4412 Max. Housing 2.442 Min. Clearance 0.0005 Max. Clearance 0.0026 Max. Wall 0.0961 Max. Length 0.89 Mfg. Ford Family Small Block Material Super-Duty Alloy Groove 3/4 Groove Set Type Performance Main Set Part Comment 3/4 grooved Flange Specs Flange Bearing Component Part No.

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