Symington-Wayne XL-70 70 ton truck, with roller bearings.  HO scale.

Package contents: (1) pair of ready-to-run trucks with semi-scale (code 88) nickel silver wheelsets and brake detail.

These trucks with roller bearings were used on C&O PS RBLs, CB&Q and MFVX Flexi-Van cars, and CN container cars.  There were certainly others; if you know of any, please share!