This item is used on multiple models.
113H Fits All Versions.
Fits above versions of 113H, 113H-LH, 113HL, and 113HLW.
For the 113H, 113H-LH, and 113HSP Note Change:
If your side plate has the smaller looking opening with the nibbed collar 27-113H, and you are replacing your plate, you will also need the newer bearing #40-113HL