Pro-werks Chromoly Uni-Ball Weld Cup for Rod End Insert, 4130N
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Made for Rod End Inserts
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:

You can always count on Pro-Werks to do it right!
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
PRO Tech Tip:
Welding causes distortion. Installing a removable, snug fitting "heat sink" machined out of steel or aluminum into the bore is recommended during the finish welding process.
Note: Welding should always be performed by a qualified welder.









