Ford SB Main Bearing Set .001 Over Speed-Pro 3/4 Groove 129M1

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Description
Brand: Sealed Power
Part Number: 129M1
Condition: New
Sold As: Individual

Ford SB Main Bearing Set .001 over Sealed Power Speed-Pro 3/4 Groove, Tri Metal, Competition Series Ford, Small Block, Sold as a set
Speed-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. 1784CHA

Position 3

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 1.133

Mfg. Ford

Family Small Block

Material Super-Duty Alloy

Groove 3/4 Groove

Set Type Performance Main Set

Part Comment 3/4 grooved

Set Contents Main Brg.

This Part Fits The Following Vehicles



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