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🚪 Slide into smoothness with Prime-Line precision!
The Prime-Line D 1791 Steel Sliding Door Roller features 1-1/8 inch concave steel ball bearing rollers housed in durable stamped steel with a yellow zinc finish for corrosion resistance. Designed for Milgard and other vinyl patio doors, it offers a precise fit with a 3/4 inch wide by 1 inch tall housing and a 1/4-20 threaded mounting hole. Easy to install with just a Phillips screwdriver, this roller assembly restores quiet, smooth sliding door operation and is backed by a 1-year warranty.




























| ASIN | B00A6G7PHO |
| Bearing Number | D 1791 |
| Bearing Type | Ball Bearing |
| Best Sellers Rank | #44,912 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #327 in Sliding Door Hardware #380 in Industrial Casters |
| Brand | PRIME-LINE |
| Brand Name | PRIME-LINE |
| Compatible Lubricant | Grease |
| Customer Reviews | 4.5 out of 5 stars 660 Reviews |
| Global Trade Identification Number | 00049793017918 |
| Included Components | Tandem Roller Assembly |
| Item Dimensions | 3.13 x 0.75 x 1 inches |
| Item Thickness | 0.75 inches |
| Item Type Name | Sliding Door Roller |
| Item Weight | 9.07 g |
| Item dimensions L x W x H | 3.13 x 0.75 x 1 inches |
| Manufacturer | Prime-Line Products |
| Material | Alloy Steel |
| Material Type | Alloy Steel |
| Model | D 1791 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Outside Diameter | 1.13 inches |
| Part Number | D 1791 |
| UPC | 049793017918 |
| Unit Count | 1 Count |
| Warranty Description | Goods are warranted against manufacturing defects for 1 year. |
M**N
Does Not Come With Screws to Attach...
Like someone else mentioned already. These do not come with the screw to hold each one in place. And yes, typically that screw will be a different size than the old one in your door. Just something to know. Got these installed quickly otherwise and the quality is good. Door is in good shape now!
A**7
Manpower needed to install
The most elusive part but once installed it fixed all our dragging problems
M**W
Amazing Product
Amazing product worked very well, however, the screw used to attach the wheels to the door frame was much larger than the original screw, therefore I had to use a different screw. Otherwise worked very well!
S**.
Good Quality but does not come with everything you may need!
Good Quality however it does not come with the screw that holds it in place. Usually the original screw is a different size. I found out the hard way. Had to stop the work and go to the hardware store to find something that would fit. Very Stupid on the manufacturers part to not include everything!
L**R
Makes door like new
Easy to install and made my patio doors slide like brand new again! Perfect fit.
J**G
Works great
Works great and rolls very smoothly!! Super easy to install. I did have to go to Lowe’s and get some different screws but It was my error when I ordered. Overall I recommend.
P**R
At least they are cheap cost! Disappointing performance.
These only marginally made my older oversized/heavy sliding glass door open/close smoother. I had a hard time pulling the door out of the frame due to being older and header sag. Once out I inspected the old rollers (which were dirty but didn't actually seem to roll that bad). I replaced old rollers with these and when comparing before install, they didn't seem to roll any better than my old ones. I was expecting a smooth and freely spinning roller but that wasn't the case. Once the new rollers were in the door and back on the track, the door opens a little smoother but is still heavy and takes most of my body to open/close door. So these roller don't support a large door very well. Obnoxious squeaking sound formed after only 3 days of install :( I would return if it weren't for how hard it was to get the door out of the frame in the first place due to header sag. (Note that the heavy door is not due to the header sage, there is still plenty of room in the frame for the door to raise after in the track.)
R**D
Works as advertised.
I looked for these for awhile before I found this set. Ordered, received, and installed. The door now opens and closes like new.
B**R
works perfectly so far
I am asking myself why I didn't replace them last year! door slides as good as new
T**E
Excellent replacement
Fit and worked excellent.
Q**2
Très bonne achat
Pièce par faite à un prix économique et elle est même meilleur que l’original
A**R
New working patio door
I repaired a patio door the owner thought need replacing Now works like new
B**T
Work well easy install
installed 1 pair to sliding door, rollers have worked beautifully all summer, like new!
Trustpilot
1 month ago
2 weeks ago