Bearings with a 300 mm bore

13 bearings on this site have a 300 mm bore, across 5 outside diameters (380–540 mm). Use the table to find one by its outside diameter and width, then open its page for the cross-brand equivalents and interchange notes.

Designation	Type	Bore (mm)	Outside Ø (mm)	Width (mm)
51160	Thrust Ball Bearing	300	380	62
6860	Deep Groove Ball Bearing	300	380	38
51260	Thrust Ball Bearing	300	420	95
6960	Deep Groove Ball Bearing	300	420	56
16060	Deep Groove Ball Bearing	300	460	50
23060	Spherical Roller Bearing	300	460	118
6060	Deep Groove Ball Bearing	300	460	74
NU1060	Cylindrical Roller Bearing	300	460	74
23160	Spherical Roller Bearing	300	500	160
22260	Spherical Roller Bearing	300	540	140
23260	Spherical Roller Bearing	300	540	192
6260	Deep Groove Ball Bearing	300	540	85
NU260	Cylindrical Roller Bearing	300	540	85

Not the bore you need? See the full bearing size chart to pick another bore diameter, or read identify an unmarked bearing to work back from three measurements.

Dimensional reference only (300 mm bore, per ISO boundary-dimension standards). Confirm load ratings and suitability in the manufacturer's catalogue.