
National

Select your vehicle to check fitment.
Contact us at 1-866-461-2787 for pricing
Contact us at 1-866-461-2787 for pricing
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“I've been ordering from Autrex for over 2 years now. Their fitment tool is incredibly accurate, and I've never received a wrong part. The prices are competitive and shipping is always fast. Highly recommend!”
— Michael T., Toronto, ON
“Had an issue with a brake caliper that turned out to be defective. Their warranty team handled the replacement quickly and professionally. New part arrived in 3 days. This is how customer service should be!”
— Sarah L., Vancouver, BC
This Chemin de roulement fits vehicles.
This part replaces and is compatible with the following part numbers
National 742 Rodamientos de Cojinete para H/D Truck 78-55; Hwy Trailer (FW)(RW)
Manufactured with premium-grade steel, National® taper bearing cups feature crowned raceways to ensure even load distribution.
Shop National Bearing Races at Autrex with vehicle fitment details, current pricing, and checkout options for the National 742. Eligible orders over $99 may qualify for free shipping, with some exceptions.
The National 742 is a direct replacement for Allis Chalmers 3014428, Allis Chalmers 042878, Allis Chalmers 042877, Allis Chalmers 043512, Allis Chalmers 70681245 and 148 other part numbers. See the full interchange list for all compatible replacements.
Shipping options for the National 742 are shown during checkout and may vary by item, address, and availability. Eligible orders over $99 may qualify for free shipping, with some exceptions. Call 1-866-461-2787 if you need help confirming shipping or pickup before ordering.
For current pricing on the National 742, please call us at 1-866-461-2787. Availability and final order details are confirmed before checkout is completed.
Yes, the Chemin de roulement by National is designed as a direct fit replacement. Use our vehicle selector to confirm compatibility with your specific vehicle.
The Chemin de roulement comes with the standard National manufacturer warranty. Please check the product specifications for exact warranty terms.