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The UniqueTek 550 Primer Track Bearing has a 1.4″ extension that supports the primer bar better. This extended support prevents the primer bar from "drooping" and binding while its in the "out" position.
Now Featuring Nicklon™ Nickel/Teflon Plating
Our Primer Track Bearing now features Nicklon™ is co-deposition of Electroless Nickel & PTFE (Teflon™). This yields a excellent lubricity, high wear resistance and very low coefficient of friction (0.10). This makes it the slickest primer track bearing there is!
• 1.4″ Longer than OEM Bearing
• Laser Cut from Mild Steel
• Bearing Surface Hand Lapped to 600 Grit
• Nicklon™ Plated - NEW!
• Simple Drop-in Installation
Easy "Drop In" Installation
The UniqueTek 550 Primer Track Bearing is a drop-in replacement for the original Dillon Primer Track Bearing (part #14015) and takes just minutes to install. Fits all 550 press models including the new 550C.
✗ Will NOT fit the primer system of the new XL 750 press.
"I bought the 550 Primer Track Bearing and it works great. Since I installed it, primer insertion is much easier, with no crushed primers." — Robert S. - Renton, WA (4/7/16)
"In my estimation, the primer system causes the most problems on the 550. I loaded 300 today and the primer bar did not jam one time! I believe you have made an improvement. Before long, I'm going to have more invested in your improvements than the original press." — Harvey S. - Santan Valley, AZ (12/22/15)
|TEFLON is a trademark of THE CHEMOURS COMPANY FC, LLC.|
|Average rating from 4 reviews: 5.0||Showing: 3 of 4||Show All|
If You Have a 550, you need this enhancement.I have multiple 550s. Was skeptical that this would be worthwhile, so ordered one to try it out, on the advice of my brother-in-law. Now have one one each of my 550s.
Should be a factory itemI reload a lot and this has been an awesome upgrade. Over 10 thousand cycles and it still looks brand new and my biggest issue, primers is no longer and issue.
What a relief for primer woesThe 550 primer track bearing was more than worth the money, the primer system runs much, much smoother now, it has been on my machine for 6-8 months now with no primer feed problems at all. Thank you very much!!!!!
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