Anything over 28.3-28.5 mm. If necessary, look for something more precise. Update: Take another star off, they just aren't accurate enough and not worth the effort and time to get them back. upset.
π Wheels Manufacturing Ball Retainer Bag: Convenient Storage and Protection for Your Ball Retainers
6 Review
Linear Clamping Support Bearing by Sydien
4 Review
Enhanced Performance Sydien SCS12UU Bearing Bushing Diameter for Precision Machinery
4 Review
FKG 99502HNR Bearing Width Pre Lubricated
5 Review