You searched for "parallel bore"
INA
Track Roller Track Roller LR5306-2HRS-TVH-XL, 30mm ID, 80mm OD
Part: LR5306-2HRS-TVH-XL
Track roller bearing with 30mm bore and 80mm diameter for machinery.
INA
Track Roller Track Roller LR5304-2HRS-TVH-XL, 20mm ID, 62mm OD
Part: LR5304-2HRS-TVH-XL
Heavy-duty track roller for industrial machinery and conveyor systems.
INA
Track Roller Track Roller LR5308-2Z-TVH-XL, 40mm ID, 30mm OD
Part: LR5308-2Z-TVH-XL
Sealed track roller with 30mm diameter for machinery guidance and support applications.