Pro-werks Chromoly Uni-Ball Weld Cup for Rod End Insert, 4130N
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Made for Rod End Inserts
Pro-werks Uni Ball Weld Cups offer the perfect solution for installing spherical bearings in many performance applications that don't require adjustment that of a threaded shank Rod End.
These Uni-ball bearing cups are precision CNC machined from Chromoly Steel (4130N) and accept most popular brands bearing inserts.
It is recommended to confirm dimensional compatibility with the brand of Rod End insert of your choice (see below)
Snap ring is included.
Note: These are designed for a light press fit. They are machined to the dimensions published by the manufacturers of the bearing inserts.

Anatomy of a great Uni-Ball Cup:

There is so much riding on these components, it’s worth using the best parts available.
You can always count on Pro-werks to do it right!
Note: Welding should always be performed by a qualified welder.
Bearing Cup / Bearing Insert Compatibility
Part # C73-440 (13/16 Inch Uni-Ball Weld Cup)
Compatible with FK Bearing or Aurora brand
Rod End Insert COM6 or
Teflon Rod End Insert COM6-T
Part # C73-441 (1 Inch Uni-Ball Weld Cup)
Compatible with FK Bearing or Aurora brand
Rod End Insert COM8 or
Teflon Rod End Insert COM8-T
Part # C73-442 (1-3/16 Inch Uni-Ball Weld Cup)
Compatible with FK Bearing or Aurora brand
Rod End Insert COM10 or
Teflon Rod End Insert COM10-T
Part # C73-443 (1-7/16 Inch Uni-Ball Weld Cup)
Compatible with FK Bearing or Aurora brand
Rod End Insert COM12 or
Teflon Rod End Insert COM12-T









