M88040 TIMKEN Spitfire Rear Inner Differential Pinion Bearing

Review TIMKEN For Triumph Spitfire 75-80 Rear Inner Differential Pinion Bearing for TRIUMPH

The Timken M88040 is an essential replacement part for the rear inner differential pinion bearing of Triumph Spitfire models produced between 1975 and 1980. This high-quality bearing is manufactured by Timken, a world-renowned leader in the production of bearings for various industries, including automotive.

The M88040 is specifically designed to fit the unique requirements of the Triumph Spitfire's differential unit. Its inner diameter measures 25.4mm, and its outer diameter is 38.1mm, ensuring a precise fit within the vehicle's differential housing. The bearing's width is 19.2mm, and its length is 48.3mm, providing ample coverage and support for the pinion shaft.

This bearing is engineered using Timken's advanced rolling element technology, which features high-quality, steel races and precision-machined balls. The races are hardened and nitrided to enhance their resistance to wear, pitting, and corrosion, while the balls are chrome-steel, offering superior strength and durability. The result is a bearing that can effectively withstand the heavy loads and high speeds generated by the differential system in a Triumph Spitfire.

The M88040 comes lubricated with a high-performance, long-lasting grease that provides an effective protective barrier against wear and corrosion. This grease is specifically chosen for its ability to maintain its lubricating properties even under the extreme heat and pressure generated by the differential system.

Installation of the Timken M88040 is straightforward, making it an excellent choice for both professional mechanics and dedicated DIY enthusiasts. The bearing is supplied with a new sealing ring to ensure a proper seal between the differential housing and the new bearing. Additionally, the package includes detailed instructions to guide users through the installation process.

In summary, the Timken M88040 is a premium-quality, replacement rear inner differential pinion bearing designed specifically for Triumph Spitfire models from 1975 to 1980. Its advanced engineering, superior materials, and precise dimensions make it an excellent choice for those seeking reliable, long-lasting performance from their vehicle's differential system.

Pros and Cons of Buying Timken M88040 for Triumph Spitfire 75-80 Rear Inner Differential Pinion Bearing

The Timken M88040 is a popular choice for the rear inner differential pinion bearing in Triumph Spitfire models from 1975 to 1980. This article aims to provide an unbiased analysis of the benefits and drawbacks of purchasing this specific bearing.

1. Superior Quality: Timken is a renowned brand in the field of bearings, known for its high-quality products. The M88040 is engineered to offer excellent performance and durability.

2. Reduced Wear and Tear: By investing in a reliable bearing like the Timken M88040, you can significantly reduce the frequency of replacements, thus saving you time and money in the long run.

3. Improved Performance: A high-quality bearing can contribute to enhanced vehicle performance. In the case of the Triumph Spitfire, it can lead to smoother gear changes and better power transmission.

4. Peace of Mind: Timken's reputation for manufacturing top-tier products ensures that you are making a safe and reliable investment.

1. Cost: Timken bearings often come with a higher price tag compared to other brands. However, the long-term savings in terms of reduced replacement frequency can offset this initial investment.

2. Availability: Depending on your location, you might face challenges in sourcing this specific Timken bearing. Be sure to check local auto parts stores or reputable online retailers.

3. Installation: Installing the bearing yourself may require some technical skills and expertise. If you are not confident in your abilities, it is recommended to consult a professional mechanic.

The Timken M88040 rear inner differential pinion bearing for the Triumph Spitfire is a high-quality investment that offers superior performance, durability, and reliability. While it comes with a higher price tag and may require some effort to source and install, the long-term savings and improved vehicle performance make it a worthwhile investment for Triumph Spitfire enthusiasts.

If you are looking for a reliable and durable replacement for your Triumph Spitfire's rear inner differential pinion bearing, the Timken M88040 is a solid choice. However, it is essential to consider the availability and installation challenges before making a purchase. Prospective buyers should ensure they have access to a reliable supplier and the necessary skills or resources for installation.

Details:

Bore diameter in.: 1.125 in. Special seal designs help keep lubrication in and contamination out. Ultimate load handling capability. Made of high quality materials for long service life.

Seal and shield configurations help protect internal bearing components retain lubricants. Quantity: sold individually. Thrust load, or axial is associated with the bearings carrying capacity and applied parallel to axis. As a global leader in manufacturing bearings of all types, Timken makes every effort to ensure each and bearing will stand up extreme situations, successfully handle loading, feature improved optima.

Constructed to meet high performance standards. Bearings are components that make a vehicles motion possible, allowing moving parts to rotate with minimal friction and taking load. When it comes to the vehicle, its weight carries a radial load, however, when goes around turn, bearings deal with thrust load from cornering forces. Using its wealth of experience designing and manufacturing bearings, well-equipped production facilities, expert craftsmanship, Timken produces bearings that are synonymous with reliability.

Timken manufactures ball bearings, cylindrical roller and tapered all feature premium design, enhanced surface finishes, are manufactured using quality materials to ensure longer bearing life excellent anti friction properties. Features: designed to effectively reduce friction. Rear inner differential pinion bearing M88040 by Timken. Radial load makes the bearing rotate or roll as a result of tension.

Upc: phone hidden 37. Without bearings, the vehicles parts would quickly wear out from friction. Outer diameter in.: 2.688. Specifications: bearing races included: yes.

Typically, bearings in a vehicle have to deal with radial and thrust loading. Get optimum vehicle performance with Timken bearings.

specifications differentialsdepo:

• for makes: Triumph
• brand: Timken
• mpn: M88040
• part type: Pinion Bearing
• product type: Driveline Axles
• upc: 053893427737
• fitment type: Direct Replacement
• compatible model s: Spitfire, Gt6
• fitnote: With Removable Carrier
• product subtype: Differentials
• product details: Differential Bearing
• department: Replacement
• all placement: Rear; Inner

shipping differentialsdepo:

• carrier: fedex
• class: standard
• transit: 2-5 days
• type: calculated
• service: fedex ground / fedex home delivery

offer differentialsdepo:

• sold #: 6
• options: ship-to-home
• in stock #: 5
• started: june 11, 2026
• prices: $30.54–$61.62
• item condition: New
• availability: in stock

seller differentialsdepo:

• # reviews: 162143
• city: saint paul, minnesota
• rating: 99.3%

general differentialsdepo:

• category: Auto Parts > Transmission Drivetrain > Differentials, Assemblies > Bearings

payments differentialsdepo:

• other
• wallet: apple-pay
• credit card: diners-club

returns differentialsdepo:

• policy: returns accepted
• paid by: seller
• time: 30 days