1. Heavy Equipment Hardware Parts Items
  2. sku: 4218300291180602
  3. NATIONAL M88048

NATIONAL M88048 Tapered Roller Bearing Differential Pinion

M88048 National New Bearings Premium Tapered Roller Bearing Differential Pinion

( Brand: National ), ( Part Type: Bearing Roller Pinion ), ( Manufacturer Part Number: M88048 )

Review NATIONAL New Bearings Premium Tapered Roller Bearing Differential Pinion

The National M88048 tapered roller bearing is a differential pinion component designed for high load-carrying capacity and precision motion applications. This bearing features a tapered roller design, which allows for both radial and axial load support. The rollers are cone-shaped, tapering towards the center of the bearing, allowing them to self-align when installed in a tapered bore. This self-aligning feature reduces stress on the bearing and ensures optimal contact between the rollers and raceways.

The outer race of this bearing is made of steel, while the inner race is made of chrome steel. The rollers are made of heat-treated steel, ensuring both strength and durability. The rollers are also coated with a protective layer of anti-friction material, typically made of brass or bronze, to reduce friction and wear.

The National M88048 bearing is designed to operate in applications with heavy loads and high speeds. It can handle both compressive and tensile loads, making it suitable for use in various industrial and automotive applications. The bearing also features a sealing system, which prevents contaminants from entering the bearing and damaging the components.

The dimensions of the National M88048 bearing are as follows: the outside diameter is 62.5mm, the inside diameter is 27mm, the width is 32mm, and the length is 48mm. The bearing also has a tolerance class of IT7 and can handle a maximum load of 54,600 N.

The National M88048 tapered roller bearing is a reliable and robust component, engineered for precision motion and heavy load applications. Its self-aligning design, strong materials, and protective coatings ensure optimal performance and longevity in even the most demanding environments.

Tapered roller bearings, specifically the National M88048 type, are commonly used in differentials and other heavy-duty applications due to their ability to support large loads and high speeds. Here are some pros and cons of buying this type of bearing for your specific application:

Pros:

1. High load capacity: Tapered roller bearings can support heavier loads compared to other types of bearings, making them ideal for use in differentials and other heavy-duty applications.

2. Low friction: The design of tapered roller bearings allows for minimal friction between the rolling elements and the raceways, which can lead to better efficiency and longer service life.

3. Self-aligning: Tapered roller bearings have the ability to self-align, which can help reduce the amount of misalignment in the shaft or housing, preventing premature failure.

4. Durable: Tapered roller bearings are known for their durability and ability to withstand high temperatures and pressures, making them a reliable choice for many applications.

Cons:

1. Complexity: Tapered roller bearings are more complex than other types of bearings, which can make installation and maintenance more difficult and time-consuming.

2. Cost: Tapered roller bearings tend to be more expensive than other types of bearings due to their complexity and high load capacity.

3. Noise: Tapered roller bearings can generate more noise than other types of bearings, which can be a concern for some applications where quiet operation is important.

Conclusion:

The National M88048 tapered roller bearing is a high-performance bearing that is well-suited for heavy-duty applications where high loads and efficiency are required. While it may be more complex and expensive than other types of bearings, its ability to support heavy loads, reduce friction, and self-align makes it a reliable and durable choice for many applications.

Recommendation:

If you are looking for a bearing for a heavy-duty application where high loads and efficiency are required, the National M88048 tapered roller bearing is a good choice. However, it is important to consider the complexity and cost of this type of bearing and make sure that it is the best fit for your specific application. Consult with a bearing expert or the manufacturer for more information and guidance.

Details:

According to Motion and, the M88048 cone has following primary dimensions. Performance and Compatibility. Bore Diameter Inner: 1.3125 inches 33.338mm. Design Features: Crowned raceways and rollers to ensure even load distribution.

Cone width length : 0.8750 inches 22.225mm. Outside Diameter when paired: 2.6875 inches 68.263mm. Capabilities: designed to support heavy axial and radial loads simultaneously while maintaining low friction in high-speed environments. Key Specifications.

part #: m88048 prices

  • $11.95-$19.99

specifications heavyaccoutrement:

  • brand: National
  • part type: Bearing Roller Pinion
  • manufacturer part number: M88048

returns heavyaccoutrement:

  • policy: No Returns

seller heavyaccoutrement:

  • rating: 99.9%
  • # reviews: 3557
  • city: Baxter, Minnesota

payments heavyaccoutrement:

  • other
  • wallet: Paypal
  • credit card: Diners-club

shipping heavyaccoutrement:

  • class: Economy
  • transit: 2-5 Days
  • service: Economy
  • cost: $0.00
  • type: Fixed

offer heavyaccoutrement:

  • availability: In Stock
  • sold: 0
  • started: February 19, 2026
  • quantity: 1
  • options: Ship-to-home

general heavyaccoutrement:

  • Heavy Equipment, Parts Attachments > Heavy Equipment Parts Accessories > Hardware Parts
  • condition: New Open box
part type: bearing roller pinion,
category: business & industrial > heavy equipment, parts attachments > heavy equipment parts accessories > hardware parts, sku: 4218300291180602,

National M88048 Is Similar To:

heavyaccoutrement logo
5 offers $11.95–$19.99 USD
  • New. Offer #1 priced at $13.72 + $0.00 delivery = $13.72* total. Premium bearing design matches OEM specifications.FREE SHIPPING
  • New. Offer #2 priced at $19.99 + $0.00 delivery = $19.99* total. Its durable construction and precision engineering make it a reliable choice for various machinery and equipment requiring smooth and efficient operation. The National Bearings Bearing is a high-quality industrial bearing designed for mechanical power transmission and industrial automation applications.FREE SHIPPING
  • New. Offer #3 priced at $11.95 + $6.58 delivery = $18.53* total. +$6.58 shipping
  • New. Offer #4 priced at $18.99 + $12.35 delivery = $31.34* total. This item is in new condition.+$12.35 shipping
  • New. Offer #5 priced at $9.76 + $4.99 delivery = $14.75* total. /0/200/ NATIONAL BEARINGS DIFFERENTIAL ROLLER BEARING.+$4.99 shipping

Copyright © heavyaccoutrement.com