STO30 Track Rollers Yoke Type Sealed 30x62x20mmSTO30 Stud Track Rollers Yoke Type Sealed STO30 Stud Track Rollers Yoke Type Sealed With Inner Ring 30x62x19. 8mm STO30 Track Rollers Yoke Type Sealed With Inner Ring 30mm x 62mm x 20mm VXB Bearing STO30 Track Rollers Yoke Type Sealed With Inner Ring 30x62x20mm STO30 Brand: VXB Track Rollers Closures: Sealed Size: 30x62x20mm Bearing Inner Diameter: 30mm Bearing Outer Diameter: 62mm Bearing Roller Width: 20mm Quantity: 1 Bearing