1. USED Transmission & Drivetrain Deals
  2. sku: 12202336677779623
  3. NOS 311990

NOS 311990 Packard Pinion Bearing

fits year: 1940-50.

311990 Nos 1940-50 Packard Pinion Bearing

( Brand: Nos ), ( Manufacturer Part Number: 311990 ), ( Part Type: Pinion Bearing ), ( Vintage Part: Yes ), ( Country Of Origin: United States )

Review NOS Packard Pinion Bearing fits 1940-50

1940-50 Packard NOS (New Old Stock) Pinion Bearing

This is an authentic, New Old Stock (NOS) pinion bearing originally manufactured for Packard automobiles between the years 1940 and 1950. This component is a crucial part of the differential assembly, ensuring the smooth transmission of power from the transmission to the driveshaft.

The pinion bearing is a precision-engineered component, designed to withstand the heavy loads and high torque generated by the vehicle's drivetrain. It is made from high-quality steel and features a robust, press-fit design that allows for a secure fit within the differential housing.

The outer diameter of the pinion bearing measures approximately 1.875 inches, while the inner diameter is around 1.437 inches. The length of the bearing is approximately 1.312 inches. These dimensions are critical for ensuring a proper fit in the differential assembly of the specified Packard models.

The surface of the pinion bearing is finished with a smooth, polished coating that minimizes friction and wear. This coating also helps to ensure a reliable seal between the pinion shaft and the bearing, preventing the intrusion of contaminants and maintaining the integrity of the differential system.

This NOS pinion bearing is an excellent choice for collectors, restorers, and enthusiasts seeking an authentic, high-quality replacement part for their vintage Packard vehicle. It is also suitable for use in custom builds or replicas, offering a genuine, period-correct alternative to modern aftermarket parts.

By choosing this NOS pinion bearing, you can enjoy the confidence that comes with using a genuine, factory-original component. It is guaranteed to provide the performance, reliability, and longevity that you would expect from a classic Packard part.

Buying a NOS (New Old Stock) 311990 1940-50 Packard pinion bearing comes with both advantages and disadvantages. Here are some potential pros and cons to consider:

Pros:

1. Authenticity: NOS parts are original and have not been used or rebuilt, ensuring they maintain the original specifications and quality.

2. Availability: NOS parts are often the only option for restoring or maintaining vintage vehicles, as new production parts may not be available or may not match the original specifications.

3. Preservation: NOS parts can help preserve the original condition of a vintage vehicle, which can increase its value and appeal to collectors.

Cons:

1. Cost: NOS parts can be more expensive than new or rebuilt parts due to their rarity and the fact that they have been stored for a long time.

2. Limited availability: NOS parts may not be readily available for all makes and models, and may require extensive searching to find.

3. Compatibility: NOS parts may not always be 100% compatible with modern vehicles or with other NOS parts due to differences in manufacturing processes or materials over time.

Conclusion:

Deciding to buy a NOS 311990 1940-50 Packard pinion bearing depends on your specific needs and priorities. If authenticity and preservation are important to you and you are restoring a vintage Packard, then a NOS part may be the best option. However, if cost is a concern or if compatibility with other parts is an issue, then considering a new or rebuilt part may be a more practical choice. Ultimately, it's essential to weigh the pros and cons carefully and consult with a knowledgeable mechanic or restorer before making a decision.

Details:

This is a new pinion bearing for 1940-50 Packard automobiles. Check the parts book in group 12.0105 to see if this bearing is for your car. There is some discoloration on the face, but bearing surfaces are fine. The Packard part number is 311990.

part #: 311990 price

  • $59.99

specifications othellodrivetrain:

  • for years: 1940-50
  • brand: Nos
  • mpn: 311990
  • part type: Pinion Bearing
  • vintage part: Yes
  • country of origin: United States

payments othellodrivetrain:

  • other
  • wallet: Google-pay
  • credit card: Visa

offer othellodrivetrain:

  • options: Ship-to-home
  • sold: 0
  • availability: In Stock
  • started: January 30, 2026
  • quantity: 1

general othellodrivetrain:

  • condition: New
  • Car Truck Parts Accessories > Transmission Drivetrain > Other Transmission Drivetrain

seller othellodrivetrain:

  • city: New Boston, Michigan
  • rating: 100.0%
  • # reviews: 10677

returns othellodrivetrain:

  • time: 30 Days
  • policy: Returns Accepted
  • paid by: Seller

shipping othellodrivetrain:

  • transit: 4-7 Days
  • carrier: USPS
  • type: Fixed
  • cost: $10.00
  • service: USPS Priority Mail
  • class: Expedited
for years: 1940-50, part type: pinion bearing, vintage part: yes, country of origin: united states,
category: auto parts > car truck parts accessories > transmission drivetrain, sku: 12202336677779623,

Nos 311990 Is Similar To:

othellodrivetrain logo
1 offer $59.99 USD
  • Offer #1: $59.99 price + $10.00 shipping estimate = $69.99* total. Bearing 1 This is a new pinion bearing for 1940-50 Packard automobiles.+$10.00 shipping

Copyright © othellodrivetrain.com