944 stubs on 911 hubs, the bearing spacer info you need Options

[Aaron Cox]

ok, so there are two ways to do this im told, you can make a spacer to fill the area on the stub where the dust seal on a 944 used to live, or you can lathe that off, and let the stub sit deeper into the hub-

so here are pics with dimensions......
ill have to go back and write in the dimensions.... cant read the calipers on a few. (shoulda got the digital ones LOL)

the materials required.
Bearing, early 911 hub, 951 stub, calipers.


Bearing width.


diameter of "dust seal area" and diameter of bearing area on hub.


width of dust seal area


width of bearing area on hub


combined....


bearing diameter if you need it.

[Luke M]

Clay,
Could you break down the parts/years that you used on your six.
( hubs to trans out put flange ) got any pics handy?
Sounds like your setup works good w/o any spacers.

[ClayPerrine]

Clay,
Could you break down the parts/years that you used on your six.
( hubs to trans out put flange ) got any pics handy?
Sounds like your setup works good w/o any spacers.

Mine actually has the spacers, but here goes.

From transmission to hub, with spacer.

1. 76 911 (915 trans) 6 bolt, coarse spline drive flanges.
2. 944 CV Joint
3. 914 axle machined to accomodate the wider 944 CV joints.
4. 944 CV Joint
5. 944 stub axle.
6. Spacer.
7. 69-73 911 Hub.

From transmission to hub, without spacer.

1. 76 911 (915 trans) 6 bolt, coarse spline drive flanges.
2. Complete 944 axle assembly with both CV joints and shaft.
3. 944 stub axle.
4. 69-73 911 hub, machined to remove the thickness of the shoulder on the 944 stub axle.

By taking the thickness (I think it is 5mm, but I am not sure) of the shoulder on the stub axle off the hub, you move the stub axle that far outboard. That makes up for the longer 944 axle, and eliminates the spacer. That also should be minor machining for a good machinist.


The second one was done after I put my car on the road.

Pictures.