Model # N 6531

Internet #100143845

Store SKU #584770

Store SO SKU #584770

Prime-Line Top-Mounted Pocket Door Roller Assemblies (2-Pack)


Top-Mounted Pocket Door Roller Assemblies (2-Pack)

$997 /each
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Frequently Bought Together

Product Overview

These Prime-Line Products Top-Mounted Pocket Door Roller Assemblies (2-Pack) feature twin nylon wheels attached to an adjustable bracket for top-hung installation. The roller assemblies are used on Acme pocket doors.

  • Compatible with acme brand pocket doors; fits 3/4 - 1-3/4 in. thick pocket doors
  • Twin 7/8 in. diameter round-edge nylon wheels
  • Adjustable mounting bracket
  • Top-mounted design
  • Includes 2 roller assemblies
  • Top mounted

Info & Guides

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Warranty / Certifications

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Customer Questions & Answers

how do you lock the roller after adjustment

Asked by: rickee
With a screw driver you adjust the height and it stays there.
Answered by: Lee
Date published: 2017-03-29

What is the backside height adjustment?

Asked by: john
There's a nut on the bracket that moves the rollers up and down, which adjusts the height of the door. Turn the nut clockwise to raise the door and counter-clockwise to lower it.
Answered by: BrauKnabe
Date published: 2016-03-06

Is there a weight rating for these rollers?

Is there a weight rating for these rollers?
Asked by: D30Associate4004
Thank you for your inquiry regarding this item from Prime-Line Products. Yes, these roller assemblies can be used on doors weighing up to 75 pounds. For additional questions regarding this item, or any other product manufactured by Prime-Line Products, please call their toll free number at (877) 649-9740, or contact them by email at
Answered by: primelineProductExpert
Date published: 2017-04-22
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Customer Reviews

Top-Mounted Pocket Door Roller Assemblies (2-Pack) is rated 3.6 out of 5 by 7.
Rated 5 out of 5 by from new set of rollers was easy to install on pocket door and has corrected problem; door glides easi... new set of rollers was easy to install on pocket door and has corrected problem; door glides easily in track now.
Date published: 2017-01-27
Rated 5 out of 5 by from After installation the rollers worked well. We will see how long they last. The old ones lasted... After installation the rollers worked well. We will see how long they last. The old ones lasted 29 years.
Date published: 2017-03-29
Rated 3 out of 5 by from A shoddy remake of the original Acme roller The metal part of the roller assembly is slightly different than the original Acme roller assembly which causes the metal to scrape on the roller tract and prevents it from rolling smoothly.
Date published: 2012-10-03
Rated 4 out of 5 by from OK once you modify them slightly Like most people buying these, I have a mid-60's house with the Acme 65 pocket door track. So when the door came off the track and I saw the bent roller assembly, I knew I'd need to replace the rollers (easy) or the entire track (not so much). I was concerned by the reviews here, but then I saw much better reviews at the "blue" home improvement store and figured I'd chance it. First the bad news: The other reviewers here are correct. There is a little "tab" between the two roller wheels that rubs on the track. That tab does not protrude as much on the original Acme rollers. Now the good news: I chucked a grinding wheel into my one remaining corded drill and in 5 minutes had the tabs on both roller assemblies shaved down so there's no more rubbing. I then screwed the new wheels onto the door (WHY is the hole spacing slightly different???) and my pocket door is fixed. Yes, it is annoying to have to grind off a bit of that tab to make the rollers work properly, but it sure beats having to replace the entire track. Maybe 4 stars is generous, but this wasn't a huge hassle.
Date published: 2016-03-05
Rated 3 out of 5 by from Prime Line N-6531 Pocket Door Roller is not an ACME replacement, and not usable on many old Tracks by Art, Retired Design & Manufacturing Engineer with Masters Degree in Engineering. The Prime-Line model N-6531 Pocket Door Roller is said to be identical, or a replacement for, the very similar ACME model 85 that was popular in the 1950’s to evidently into the 1970’s or later. However, this is not true for most tracks used with the original ACME 85. The unit is simply not useable as an EXACT replacement of the ACME 85, or useable with many or most of the old tracks installed with the ACME 85 roller sets. (A very few websites will show an ACME/STANLEY model 85 is still available, but photos and line-drawings indicate that it is exactly like the Prime-Line N-6532, NOT the original ACME 85.) The Prime-line unit appears to be even better built than the old ACME, since the rollers are spaced a bit further from the steel pivot arm on which they are mounted, and the steel frame of the unit has a slightly stronger or more stable mount against the top of the door. The ACME construction is quite satisfactory, but the Prime-Line can be said to have added stability because it has a full-length 3+1/2” long base (the steel against the door top) having mounting screw holes that are spaced 1+1/8”, compared to the ACME 85’s shorter 2+3/8” base with 1” mounting hole spacing. The Prime-Line unit uses 7/8” diameter wheels, as does the old ACME unit. HOWEVER. the shapes of the wheels and their axles, the “button” on the outside of the axle, and APPARENTLY the DISTANCE between the wheel center or edge and the end of the axle button, (outer end of the axle) differ. The Prime-Line uses an almost flat-edged or faced wheel and a large flat button on the axle to hold the wheel on the axle. On the other hand, the ACME 85 wheel contacts the track with a more “V” or wedge shaped wheel edge (or face), and has a rounded and possibly slightly thinner “button” on the end of the axle to secure the wheels. Whatever the exact combination of wheel and axle shapes and dimensions, the EFFECTIVE distance from the button end of the axle to the center or edge of the flatter and wider edged Prime-Line wheel where the wheel contacts the inner edge of the track, is obviously just a tiny bit longer for the Prime-Line unit than for the ACME. To install a pocket door with mounted rollers, the door must be tilted upwards and lifted then pulled back until both sets of wheels are inside the track. (Not necessarily an easy task.) Then the door is carefully let down to hang vertically. However, even before the door is fully down and vertical, the ends of the Prime-Line axles contact the inside of the track and start binding. When the door or rollers are hanging fully down, the wheel to axle configuration binds the axle to the track with metal-to-metal contact so tightly that the door cannot be moved without a great struggle or the use of a lever. Unfortunately, the Prime-Line N6531 is essentially the only such unit we victims – err, customers – can find or buy now-a-days. So buy rollers and TRY them by hand, BEFORE installing them on the door. Merely tilt and insert the new unmounted Pocket Door Roller into your track. Then swing the unit back down until its base (the part of the frame normally mounted on the door), is horizontal – in other words, parallel to the floor as they would normally hang.. If you have an older house track, and possibly even on newer tracks, the Prime Line unit will usually jam even BEFORE the unit reaches its normal hanging position. If you then pull to force the Prime Line unit further to get it into its final hanging position, you can see and feel that the track is being bent by the force of the wheel outward against the outer edge of the track, versus the force of the axle end inward against the inside wall of the track. At that point the roller becomes immoveable – totally jammed. On the other hand, under the same hand-test, an old ORIGINAL ACME 85 will rotate a full 30 to 40 degrees in both directions, and remain free and easy to roll without any jamming. Luckily I still have my old, worn, bent and beat up old ACME 85 roller set, which I will today install on my new pocket door so I I can FINALLY get this long and frustrating job done. After days of searching on the web and in stores, it is obvious that we have no other choice. My new but now dirty and un-packaged Prime Line N-6531 roller set will probably need to go into the trash.
Date published: 2014-11-15
Rated 4 out of 5 by from Had to be modified slightly to fit Looks exactly like original pocket door hardware. But there was interference after installing. Turned out the small tab at the top was rubbing on the track. Had to grind/file it down to get it to clear.
Date published: 2015-02-18
Rated 1 out of 5 by from worst worst product ever Rollers are not large enough to allow housing to clear roller track. After grinding away part of the housing the rollers still do not clear 1974 year track. I have done a lot of home repair work and this product is the absolute worst EVER !!!
Date published: 2014-10-16
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