Comparison : Item # NU1005, 1000 Series Cylindrical Roller Bearings
Item # NU1006, 1000 Series Cylindrical Roller Bearings
Item # NU1007 E, 1000 Series Cylindrical Roller Bearings
Item # NU1008, 1000 Series Cylindrical Roller Bearings
Item # NU1009 E, 1000 Series Cylindrical Roller Bearings