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Diff & Pinion Bearings 72-93 Dodge D70 Rear Axle

Shop Now for Differential Bearings and Pinion Bearings for 1972-1993 Dana 70 Series Rear Axles in Dodge D300, W300, D350, and W350 trucks.

Over the years, Dana has primarily used Timken bearings when building their axles. For long life and dimensional consistency, Timken bearings are unmatched by any other brand of bearing I have used rebuilding axles over the past 30+ years in the business. When you are a shade tree mechanic dealing with a diff and pinion rebearing job without all the fancy gauging tools we have, you always want your new bearings to be the same overall thickness as the original bearings were when the axle was built so your pinion depth, pinion preload and backlash are within the tolerance limits when you are done with the job. Timken bearings will almost always deliver that type of accuracy, plus the steel quality and surface finish is the world's best.

1972-1984 vintage Dodge Dana 70 and Dana 70HD rear axles share many of the same parts, but they use different differential bearings and bearing cups. The standard Dana 70 rear axle used in 1972-1984.5 1 ton trucks and motorhome chassis plus some 400 series 1-1/4 ton motorhomes have differential side bearing cups that have an outside diameter of 3-13/16".  The Dana 70HD Heavy-Duty rear axles found in most 400 series and 500 series Dodge motorhomes feature 4-1/8" diameter differential side bearing cups. Also, Dana 70HD axles use a combination of outside bearing cup spacers and shims between the differential and differential bearings to set gear backlash and differential bearing preload. Standard Dana 70 axles just use shims between the bearing and differential case.

Diff & Pinion Bearings 72-93 Dodge D70 Rear Axle

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  • QU50401 Timken® Outer Pinion Bearing Torque King 4x4 QU50401 Timken® Outer Pinion Bearing Torque King 4x4
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    QU50401 Timken® Outer Pinion Bearing

    50401
    $34.98
    QU50401 Timken® Outer Pinion Bearing for Dana-Spicer Model 60, 61, 70, and 70HD front and rear axles. This is a First Class, original equipment quality bearing that meets or exceeds all vehicle manufacturer specifications making it the top choice for...
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  • QU50400 Timken Outer Pinion Bearing Cup for Dana 60, 61, 70, 70HD Axles Torque King 4x4 QU50400 Timken Outer Pinion Bearing Cup for Dana 60, 61, 70, 70HD Axles Torque King 4x4
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    QU50400 Timken Outer Pinion Bearing Cup for Dana 60, 61, 70, 70HD Axles

    50400
    $17.98
    QU50400 Timken® Dana 60, Dana Super 60, Dana 61, Dana 70, and Dana 70HD Outer Pinion Bearing Cup for Dana-Spicer Model 60, Super 60, 61, 70, and 70HD front and rear axles. This is a First Class, original equipment quality bearing cup that meets or...
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  • QU50406 Timken® Inner Pinion Bearing Cup Torque King 4x4 QU50406 Timken® Inner Pinion Bearing Cup Torque King 4x4
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    QU50406 Timken® Inner Pinion Bearing Cup

    50406
    $33.98
    QU50406 Timken® Inner Pinion Bearing Cup for GM/AAM 10-1/2" rear axles and Dana-Spicer Model 60, 61, 70U rear axles. This is a First Class, original equipment quality bearing that meets or exceeds all vehicle manufacturer specifications making it the...
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  • QU50408 Timken Inner Pinion Bearing Torque King 4x4
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    QU50408 Timken Inner Pinion Bearing

    50408
    $43.98
    QU50408 Timken® Inner Pinion Bearing for GM/AAM 14 Bolt 10-1/2" ring gear rear axles and Dana 70U axles. This is a First Class, original equipment quality Bearing that meets or exceeds all vehicle manufacturer specifications making it the top choice...
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