You searched for "parallel bore"
SKF
SKF FRC Coupling, 69mm Outside Diameter, 69mm Bore, 26mm Length Coupler
Part: PHE FRC70HTB
SKF FRC flexible coupling for compact light-duty power transmission.
Ewellix Makers in Motion
Ewellix Makers in Motion LBBR 10, Bearing with 17mm Outside Diameter
Part: LBBR 10
Compact closed bearing for medium-precision linear motion control.
Ewellix Makers in Motion
Ewellix Makers in Motion LBBR 10-2LS, Bearing with 17mm Outside Diameter
Part: LBBR 10-2LS
Sealed linear ball bearing protecting against dust in industrial motion.
INA
INA KH10-B, Bearing with 17mm Outside Diameter
Part: KH10-B
Open linear ball bearing for light-duty precision motion applications.
Ewellix Makers in Motion
Ewellix Makers in Motion 2202053, Bearing with 17mm Outside Diameter
Part: 2202053
Compact sealed linear ball bearing for small equipment and precision devices.
Ewellix Makers in Motion
Ewellix Makers in Motion 2202051, Bearing with 17mm Outside Diameter
Part: 2202051
Compact sealed linear ball bearing for precision positioning in machinery.