Wheelchair Tires & Wheels, 24 Inch, Set of 2

This is a set of two wheelchair wheels and tires. I purchased them as replacements, but the shaft length did not match.
Would they be suitable for replacement?

[Wheels]
Shaft diameter: 1/2 inch (12.7mm)

[Handrims]
Diameter: 19mm
Mounting points: 4

[Tires]
Pneumatic tires
Size: 23-540 24x1
Manufacturer: KENDA
Condition: There are cracks. No air leaks.

No claims, no returns (NCNR).
Will be shipped in simple packaging.