✓ VERIFIED
Nov 2, 2020
Bearing quality is mediocre its not american timken..was supposed to be made in Usa package says china once again I did'nt get what I paid for!
ALL BALLS
SKU: 22-53102
All Balls Inner Primary Ball Bearing & Seal Kit - Harley Twin Cam, Evolution
$30.20
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About All Balls
All Balls Racing supplies wheel bearings, steering stem kits, fork seals, linkage rebuilds and shock components across the powersports market. On an older V-twin, a bearing and seal refresh is one of the cheapest ways to make a bike feel new again.
Upgrade your Harley's drivetrain with the All Balls Inner Primary Ball Bearing & Seal Kit. This kit provides all the essential components for a complete inner primary bearing replacement, ensuring reliable power delivery and smooth operation. Built to OE-quality standards, it’s a crucial part for any Twin Cam or Evolution owner.
Why riders pick this
- Complete inner primary bearing and seal kit
- OE-quality construction for precise fitment
- Fits stock Harley inner primary housings
- Compatible with most aftermarket primary housings
- Ensures smooth and reliable power delivery
The inner primary bearing plays a critical role in your Harley's transmission system, supporting the main shaft and maintaining precise alignment. A worn bearing can lead to excessive play, noise, and potential damage to other components. This All Balls kit offers a high-quality, direct replacement that restores the original performance and extends the lifespan of your primary drive.
Dependable Drivetrain Components
- Complete bearing and seal kit, eliminating the need for separate purchases
- OE-quality construction ensures a precise fit and lasting durability
- Designed to fit stock inner primary housings on Harley-Davidson models
- Compatible with most popular aftermarket inner primary housings
Essential for Drivetrain Longevity
Whether you're performing routine service or addressing a specific issue, replacing your inner primary bearing with this All Balls kit is a smart investment. It helps prevent more extensive damage down the road, ensuring your Harley's primary drive operates efficiently and quietly. Keep your V-twin in top condition with this vital maintenance component.
Specifications
- Brand: All Balls
- Manufacturer Part #: 25-3102
- UPC: 723980423484
- Length: 5 in
- Width: 4.8 in
- Height: 1.5 in
- Weight: 0.51 lbs
- Country of Origin: China (Mainland)
Common questions
What does this kit contain?
This kit includes all the necessary bearings and seals for a complete replacement of your inner primary bearing assembly.
Is this kit an OE-quality replacement?
Yes, All Balls manufactures these components to OEM specifications, making them a direct and high-quality replacement for your factory parts.
Will this fit my Harley Twin Cam or Evolution primary?
This kit is designed for V-twin motorcycles and fits stock Harley-Davidson Twin Cam and Evolution inner primary housings, plus most common aftermarket options. Always verify your specific primary style before ordering.
Ordering from Vtwinbikers
- Brand new, sourced through authorized US distribution — never used, never grey-market.
- Not sure it fits? Use Shop by Bike to filter by your year and model, or email us and we will confirm before you order.
- Harley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.
| BRAND | All Balls |
| TYPE | Drive |
| SKU | 22-53102 |
| WEIGHT | 0.51 lb |
Please contact us to confirm fitment for your specific motorcycle, or check the product title for compatibility notes.
CUSTOMER REVIEWS
4.67
60 RATINGS
5★
47
4★
7
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5
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0
✓ VERIFIED
Apr 24, 2026
Great product. Great service.
✓ VERIFIED
Jul 22, 2025
Good price
Good price.<br />4 stars cuz Taiwan Seal for Starter Jack shaft is only a Single lip configuration, Unlike the James Seal<br />I opted to use instead.
✓ VERIFIED
Jan 7, 2021
does not have fith gear seal
✓ VERIFIED
Jun 17, 2020
Parts are ok but the bearing was a cheaper one than what I had in my bike already.<br />So I reused my old bearing
✓ VERIFIED
Jun 6, 2025
Everything I needed was included, how nice is that
After ordering this kit, I recall thinking "Did I order everything I needed?". Then when I opened up the package I received in the mail, I was relieved in knowing that they included everything. That was cool
