One of the wheels on one of these roller assemblies broke (ball bearings leaking out, door grinds open), so I'm looking for a replacement part. The only marking on here is a "V". Dimensions are listed below. I was thinking your part number 81-151 would work; however, the rollers I currently have are taller, with what I assume is an aluminum load-bearing spacer on top. So I'm not sure if that part 81-151 would suffice in this case.
- Wheels: 1 1/4" flat nylon with ball bearings (no groove, just flat rolling surface)
- Length including mounting flanges: 6 3/8"
- Length excluding mounting flanges: 4 9/16"
- Height excluding aluminum spacer: 1 7/16"
- Height including aluminum spacer: 1 9/16"
- Width: 11/16"
