Dealer would be best place for bearing cap bolts, they would be sold as a set.
They should be 10.9 grade flange type, if you have an old one then parts store could match thread and length.
Final torque is only 12ftlb, watch your inch lb vs foot lb when reading toque specs
Some manual have these listed in INCH lbs
1st stage 62 in-lbs (5ftlb)
2nd stage 144 in-lbs (12ftlb)