Best Car Alternator Bearings of 2026

Robert Reyes Avatar
Robert Reyes
Last Updated: Feb 2, 2026

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Car alternator bearings are an essential component of the alternator system that keeps your car running. These bearings are designed to withstand the high speeds and loads that the alternator generates while producing electricity for your vehicle. Made from high-quality materials, such as stainless steel and ceramic, car alternator bearings are built to last and ensure smooth operation of the alternator. They are available in various sizes and types to fit different makes and models of cars. Investing in quality car alternator bearings can help prevent premature wear and tear of the alternator system and potentially save you from costly repairs down the road.

At a Glance: Our Top Picks

TIMKEN 204FF Bearing Cover #TOP 1
TIMKEN 204FF Bearing
ftb score rating icon 9.9
TIMKEN MNJ471S Alternator Bearing Cover #TOP 2
TIMKEN MNJ471S Alternator Bearing
ftb score rating icon 9.8
uxcell CG125 Metal Rear Wheel Damper Bushings 12Pcs Cover #TOP 3
uxcell CG125 Metal Rear Wheel Damper Bushings 12Pcs
ftb score rating icon 9.6

Top 10 Car Alternator Bearings

#TOP 1

TIMKEN 204FF Bearing

204FF
TIMKEN 204FF Bearing Cover
TIMKEN 204FF Alternator Bearing

The TIMKEN 204FF Alternator Bearing is made of high-quality steel, engineered to reduce rotational weight, and to increase efficiency through minimal friction. It offers high performance and quality, and is a durable and long-lasting option for car alternator bearings.

What We Like
High-quality steel construction
Engineered for minimal rotational weight
Increases efficiency with minimal friction
High level of performance and quality
Durable and long-lasting
#TOP 2

TIMKEN MNJ471S Alternator Bearing

MNJ471S
TIMKEN MNJ471S Alternator Bearing Cover
TIMKEN MNJ471S Alternator Bearing

The TIMKEN MNJ471S Alternator Bearing is a high-quality steel bearing that is designed to minimize rotational weight, increase efficiency with minimal friction, and deliver exceptional performance and quality. This durable and long-lasting bearing is engineered to fit a specific vehicle type and is an excellent choice for anyone in need of a reliable alternator bearing.

What We Like
Made of high-quality steel
Engineered for minimal rotational weight, increasing efficiency with minimal friction
Offers high level of performance and quality
#TOP 3

uxcell CG125 Metal Rear Wheel Damper Bushings 12Pcs

a17090700ux0122
Black,Gray
19 x 12 x 5.5 cm
uxcell CG125 Metal Rear Wheel Damper Bushings 12Pcs Cover
uxcell 12Pcs 41241-222-000 Metal Motorcycle Rear Wheel Damper Bush Bushing for CG125

The uxcell CG125 Damper Bushings come in a set of 12, designed specifically to fit CG125 motorcycles. Made from durable metal, these bushings offer reliable strength and longevity, ensuring your bike’s rear wheel damper performs smoothly. Each bushing measures 17 by 24 millimeters, a size that fits perfectly to provide stable cushioning and reduce vibration while riding. With an inner diameter of 9 millimeters, they are easy to install and compatible with your motorcycle’s existing parts. This set is a practical choice if you want to maintain or improve your bike’s rear wheel performance with sturdy and well-sized bushings.

What We Like
Set of 12 bushings
Durable metal material
Precise 17 x 24 mm size
Fits CG125 motorcycles
#TOP 4

uxcell Blue Rubber Side Cover Grommets for Suzuki GS125

a18042500ux0031
Blue
14 x 10 x 1.5 cm
uxcell Blue Rubber Side Cover Grommets for Suzuki GS125 Cover
uxcell 6pcs Blue Rubber Motorcycle Side Cover Grommets Replacement for Suzuki GS125

The uxcell Blue Motorcycle Grommets are designed to fit Suzuki GS125 models, providing a reliable replacement for your bike’s side cover grommets. Made from durable rubber, these grommets offer excellent flexibility and protection, helping to keep your motorcycle parts secure and free from damage. The package includes six grommets, so you'll have enough on hand for multiple replacements or repairs. With two sizes included—oval and round—you get the perfect fit for different mounting points, making installation easier and ensuring a snug, secure hold for your side covers.

What We Like
Durable rubber material
Includes six grommets
Fits Suzuki GS125
Two size options
#TOP 5

Timken 202FF Bearing

202FF
Timken 202FF Bearing Cover
Timken 202FF Alternator Bearing

The Timken Alternator Bearing is designed to enhance your vehicle's performance. Made from high-quality steel, it ensures durability and longevity, giving you peace of mind during use. Its lightweight construction minimizes rotational weight, which can help improve efficiency. Additionally, this bearing significantly reduces friction, allowing for smoother operation and better energy use. With its high-performance attributes, the Timken Alternator Bearing can contribute to a more reliable and efficient alternator, making it a great choice for your vehicle.

What We Like
High-quality steel construction
Lightweight for improved efficiency
Reduces friction for smoother operation
Durable and long-lasting
#TOP 6

Aqxreight Alternator Bearing Kit FM99434

aqxreighta90f24wemx
Aqxreight Alternator Bearing Kit FM99434 Cover
Alternator Bearing Kit F00M990434 Replacement for RAM 1500 2500 3500 with 5.7L V8 Engine 2003 2004 2005 2006

The Aqxreight Alternator Bearings are designed for specific Ram models from 2003 to 2006, ensuring a perfect fit for your vehicle. These high-strength bearings are crafted from durable metal, providing longevity and resistance to cracking. You can trust that they meet factory specifications, which translates to improved performance compared to your old bearings. This kit includes two ball bearings in different sizes, making it a comprehensive solution for your alternator needs. By choosing this replacement, you can enhance the efficiency of your vehicle's electrical system.

What We Like
Durable high-strength material
Perfect fit for specific models
Improved performance
Includes two bearings
#TOP 7

LIUPICCAAR Alternator Bearing for Ford Vehicles

LIUPICCAAR
A86006-686696415825
LIUPICCAAR Alternator Bearing for Ford Vehicles Cover
LIUPICCAAR Alternator Bearing for Crown Victoria 2010-2011 for Expedition 2006-2008 for Explorer 2013-2014 for Fusion 2013-2014 for Taurus 2014 for Thunderbird 2002-2005 for F150 2012-2014

The LIUPICCAAR Alternator Bearing is designed to fit various Ford models, including the Crown Victoria (2010-2011), Expedition (2006-2008), Explorer (2013-2014), and Fusion (2013-2014). This bearing features a double-sealed design, which helps keep dirt and moisture out, ensuring longer life and reliable performance. It is a ball bearing type, known for smooth operation and durability, helping your vehicle's alternator run efficiently. With an inside diameter of 15 mm (0.591 in), it fits precisely, making installation easier and maintaining proper function. If you drive any of these Ford models, this bearing can help keep your alternator in good shape.

What We Like
Wide Ford model compatibility
Double-sealed design
Ball bearing construction
Precise 15 mm diameter
#TOP 8

Timken 303CC Alternator Bearing

303CC
Timken 303CC Alternator Bearing Cover
Timken 303CC Alternator Bearing

The Timken 303CC Alternator Bearing is a high-quality steel component that offers a high level of performance and quality. Engineered for minimal rotational weight, this bearing increases efficiency with minimal friction, making it durable and long lasting. It is an ideal choice for car alternator bearings.

What We Like
Durable and long-lasting
High level of performance and quality
Increases efficiency with minimal friction
#TOP 9

HJPMTS Bucket Pin Bushing Bearing for CAT Excavators

HJPMTS
304 304CR 305CR 303.5C
HJPMTS Bucket Pin Bushing Bearing for CAT Excavators Cover
4pcs Bucket Pin Bushing Bearing Compatible with CAT, Caterpillar Excavator 304 304CR 305CR 303.5C 303C CR, 140-5168 265-8715

The HJPMTS Excavator Bearings are designed to fit perfectly with various CAT and Caterpillar excavator models, ensuring you get a hassle-free replacement that matches your machine’s specifications. These bearings are made to replace specific part numbers, giving you confidence that they are the right fit for your equipment. Built with high-quality materials, they offer extra durability, so you can rely on them to last longer than standard parts. Plus, their precise manufacturing means you can install them right away without worrying about adjustments, saving you time and effort during maintenance.

What We Like
Precise fit for CAT excavators
Compatible with specific part numbers
High-grade durable materials
Ready-to-install design
#TOP 10

Rareelectrical Alternator Bearing for Hyundai and Kia

Rareelectrical Alternator Bearing for Hyundai and Kia Cover
RAREELECTRICAL New Alternator Bearing Compatible With Hyundai Sonata Santa Fe 27060-31120-84

The Rareelectrical Alternator Bearing is designed to fit a wide range of popular car brands including Hyundai, Kia, Toyota, Honda, and more. You can easily check compatibility by verifying your original part number, ensuring a perfect fit for your vehicle. This bearing replaces several OEM part numbers from trusted manufacturers like Denso and Honda, giving you confidence in its quality and reliability. Additionally, it supports multiple alternator part numbers from various car makers, making it a versatile choice if you need a dependable replacement. With an outside diameter of 35 mm, this aftermarket bearing offers a practical solution for maintaining your vehicle’s alternator performance.

What We Like
Wide brand compatibility
OEM part number replacement
Fits multiple alternator models
Reliable aftermarket quality
Standard 35 mm size
Buying Guide Image

Frequently Asked Questions (FAQs)

1. What happens when alternator bearings go bad?

When alternator bearings go bad, it can lead to various issues. One common problem is a loud grinding noise coming from the alternator. The needle bearings that allow the rotor to spin freely inside the stator can break down due to dirt and heat. This can result in inefficient spinning of the rotor and eventually seizure.

2. How do you know if your alternator bearings are bad?

There are signs that indicate bad alternator bearings. These include a squealing sound that gets louder as the engine RPMs increase. When the vehicle has been parked for a while, the alternator bearings may bind or seize, causing a grinding noise when the car is started.

3. Can I drive with bad alternator bearings?

Driving with bad alternator bearings is not recommended. It can affect the electric power available to the interior and exterior lights, causing them to be dimmer. This can be dangerous, especially when driving at night or in low visibility conditions.

4. What causes damage to alternator bearings?

Damage to alternator bearings can be caused by strong vibrations, water ingress, or too much tension on the drive belt. These factors can lead to bearing damage or premature wear.

5. Can I drive with alternator bearing noise?

If you notice signs of a failing alternator bearing, it is advisable to stop driving as soon as possible. These signs include loud noises from under the hood when accelerating, warning lights on the dashboard, and decreased fuel efficiency.

6. How long does alternator bearings last?

The lifespan of alternator bearings can vary depending on driving habits and maintenance. Generally, they can last anywhere from 100,000 to 150,000 kilometers or longer. However, it is important to monitor for signs of wear and tear and address any issues promptly to prevent further damage to the alternator and other components.

7. What causes a bearings to go out in alternator?

Alternator bearings can go out due to various factors. The internal parts of alternators gradually wear out over time due to dirt, heat, and stress. One common cause of bearing failure is the breakdown of needle bearings that allow the rotor to spin freely inside the stator.

Editor's Notes

During our car alternator bearing research, we found 24 car alternator bearing products and shortlisted 10 quality products. We collected and analyzed 1,929 customer reviews through our big data system to write the car alternator bearings list. We found that most customers choose car alternator bearings with an average price of $18.50.

The car alternator bearings are available for purchase. We have researched hundreds of brands and picked the top brands of car alternator bearings, including TIMKEN, uxcell, aqxreight, LIUPICCAAR, HJPMTS. The seller of top 1 product has received honest feedback from 384 consumers with an average rating of 4.7.

Written by
Robert Reyes Avatar

Robert Reyes is a dedicated writer from San Francisco with a bachelor of degree in mechanics and a bachelor of degree in marketing. He focuses on making some complicated topics simple and enjoys explaining complex and technical things in an easy-to-understand way.