Taper Lock Bush 3525-1 1/2 Inch Section_7M (7mm Pitch) and the second number is

and the second number is the internal length in mm

Inside Length: 2870mm

Megadyne Super Duty Lawn & Garden Belt XDV38/630 External Length: 1

Inside Length: 2743mm

Taper Lock Bush 3525-1 1/2 Inch Section_7M (7mm Pitch) and the second number isTaper Lock Bush 3525 1 1 2 Inch Taper Lock Bushes are the most convenient and cost effective method of fixing components to a mating shaft without using any special tools. Taper Lock Bushes are pre machined with the required bore & keyway size and are supplied complete with locking set screws, thus making savings in time and cost on any machining process. They are available with both metric or imperial bore and keyway size options. Taper Bushes are