550 Primer Track Bearing
550 Primer Track Bearing
OEM Primer Track Bearing - Showing Worn EdgePrimer Track Bearing on Press - View from Beneath Primer Bar
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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™ … a 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.

Customer Feedback
"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. Made in USA Logo

Customer Reviews

Average rating from 6 reviews: 5.0 Showing: 3 of 6 Show All
550 Primer Track BearingDo yourself a favor, buy one of these. It will turn your 550 Dillion reloader from a Cheverolet to a Ferrari. Great product. Highly recommend. JB Written by Jim Bandy on Tue 4 Aug 2020 9:51:11 PM GMT
OMG! Worth every cent!After a long loading session featuring multiple launches of primers from the ever sticky primer bar, I had enough. Loss of pace, the launching of untold numbers of primers over the years, not to mention the frustration with my wonderful 550 machines, something needed to change. I was more that a little hesitant to spend money on a funny looking piece of metal, but I am so glad I did. I have now loaded thousands on this new bearing track with Zero issues. Slick as a greased pig on a hockey rink. Works every time. Worth every cent. Written by Eric Staedicke on Mon 11 May 2020 7:42:04 PM GMT
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. Written by Carl C Ibsen on Mon 12 Nov 2018 11:01:46 PM GMT
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