Wheels
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Poly-Tech® Wheels

Capacity Range: 350 - 1,200 lbs.

These attractive and durable wheels feature a resilient tread of red polyurethane (90-95 Durometer Shore A) mechanically bonded to a specially designed white center of harder polypropylene. The result is a contemporary looking wheel ideally suited for hospitals, schools, restaurants, hotels and motels, office buildings or light industry.

Poly-Tech® wheels are offered with Delrin® bearings, ball bearings, stainless steel ball bearings and straight roller bearings. The 1-3/8" wide wheels, formerly part of the Nu-Flex Series, are available in the following series;HL, 300, and STL. You will find the 4" x 2", 5" x 2", 6" x 2" and 8" x 2" sizes offered in our cold-forged caster series as well as Series STA and BC.
#W-620-NF-3/4
PolyTech

Additional non-stock sizes and colors are available, consult factory.



This illustration of polypropylene core prior to molding on tread shows how the urethane tread material locks into, around, and onto the specially configured rim.
PolyTech Series Selection Table
= available for 24 Hour PRONTO® shipmentDimensions in inches
Wheel
DiameterFaceWeight
Lbs.
3 1/21 3/81
41 3/81
22
51 3/81
22
622
823
Hub
Length
Load
Capacity
Lbs.
Base
Number
3 YR.
This PolyTech Wheel is backed by Hamilton's Three Year Product Warranty.
Bearing Sizes
1 1/2250W-35-NFZ- 
1/2---
1 1/2300W-413-NFZ- 
1/2---
2 3/16500W-420-NFZ- 
3/4---
1 1/2350W-513-NFZ- 
1/2---
2 3/16600W-520-NFZ- 
3/4---
2 3/16800W-620-NFZ- 
3/4---
2 3/16900W-820-NFZ- 
3/4---
Hub
Length
Load
Capacity
Lbs.
Base
Number
Bearing Sizes
1 9/16250W-35-NFS-
1/2---
1 9/16300W-413-NFS-
1/2---
---
1 9/16350W-513-NFS-
1/2---
---
---
---
Hub
Length
Load
Capacity
Lbs.
Base
Number
Bearing Sizes
---
---
2 3/16500W-420-NF-
1/25/83/4-
---
2 3/16600W-520-NF-
1/25/83/4-
2 3/16800W-620-NF-
1/25/83/4-
2 3/16900W-820-NF-
1/25/83/4-
Hub
Length
Load
Capacity
Lbs.
Base
Number
3 YR.
This PolyTech Wheel is backed by Hamilton's Three Year Product Warranty.
Bearing Sizes
1 5/8250W-35-NF- 
3/81/2--
1 5/8300W-413-NF- 
3/81/2--
 
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1 5/8350W-513-NF- 
3/81/2--
 
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