You searched for "parallel design"
SKF
SKF NK 20/20 20mm I.D Needle Roller Bearing, 28mm O.D
Part: NK 20/20
Compact SKF needle roller bearing for tight spaces in machinery and automotive applications.
SKF
SKF NK 20/16 20mm I.D Needle Roller Bearing, 28mm O.D
Part: NK 20/16
Compact needle bearing for small machinery requiring high radial load capacity.
SKF
SKF NA 4902.2RS 15mm I.D Spherical Roller Bearing, 28mm O.D
Part: NA 4902.2RS
Sealed spherical roller bearing for small machinery requiring sealed protection.
INA
INA KH20-B, Bearing with 28mm Outside Diameter
Part: KH20-B
INA open linear ball bearing for compact precision motion in industrial and automation machinery.
Ewellix Makers in Motion
Ewellix Makers in Motion LBBR 20, Bearing with 28mm Outside Diameter
Part: LBBR 20
Closed linear ball bearing for smooth motion in light industrial applications.
Ewellix Makers in Motion
Ewellix Makers in Motion LPBR 20, Bearing with 28mm Outside Diameter
Part: LPBR 20
Compact plain bearing for 20mm shafts in automated assembly and machinery.
Ruland
Ruland Shaft Collar One Piece Clamp Screw, Bore 12mm, OD 28mm, W 11mm, Plastic
Part: MCL-12-P
Plastic shaft collar with clamp screw for securing rotating shafts in machinery.