i think that this is this part number. 23-272
i measured 1 5/8 between center of concave track and 3" wide
Note you were able to identify replacement casement window crank HW which i orderede
replacement bottom conclave track

Handy Person from lincoln RI
Mar 13, 2025 7:28 pm
3 user uploaded images
3 Replies

Handy Person from lincoln RI
Mar 13, 2025 7:34 pm
i think that this is this part number. 23-272
i measured 1 5/8 between center of concave track and 3" wide
the roller appears to be the below product. based on pic and measurements
Product Code: 23-028
Mirror Door Roller, Concave
Note you were able to identify replacement casement window crank HW which i ordered
i measured 1 5/8 between center of concave track and 3" wide
the roller appears to be the below product. based on pic and measurements
Product Code: 23-028
Mirror Door Roller, Concave
Note you were able to identify replacement casement window crank HW which i ordered
3 user uploaded images

Casey from SWISCO
Mar 17, 2025 3:53 pm


Hello,
I agree that the 23-272 track would be our best option for your concave roller as long as the 71" length matches yours. Just let us know if you need anything else and thanks for posting!

Profile view of bottom concave roller track
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