If you need to install or replace a bearing, then you need to disassemble your tool and measure the outer

The bore and bore are the same before installation.

If your folding knife does not have a bearing position for the unit then it will not be possible to

If your folding knife does not have a bearing position then it will not be possible to install this bearing.

Dimensions:

U model:

Outer diameter 11.5MMMM

Inner diameter 6.2MM

Ceramic ball 1.588MM            

V model:

Outer diameter 9.5MMMM

Inner diameter 6.2MM

Ceramic ball 1.588MM            

Model W:

Outer diameter 9.6MMMM

Inner diameter 5.2MM

Ceramic ball 1.588MM            

Model X:

Outer diameter 8.5MMMM

Inner diameter 5.2MM

Ceramic ball 1.588MM            

Y model:

Outer diameter 8.7MMMM

Inner diameter 4.2MM

Ceramic ball 1.588MM

Packaging includes:

2pcs* bearings