Bearings with a 45 mm bore

29 bearings on this site have a 45 mm bore, across 7 outside diameters (58–100 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)
6809	Deep Groove Ball Bearing	45	58	7
51109	Thrust Ball Bearing	45	65	14
6909	Deep Groove Ball Bearing	45	68	12
51209	Thrust Ball Bearing	45	73	20
16009	Deep Groove Ball Bearing	45	75	10
6009	Deep Groove Ball Bearing	45	75	16
7009	Angular Contact Ball Bearing	45	75	16
NU1009	Cylindrical Roller Bearing	45	75	16
1209	Self-Aligning Ball Bearing	45	85	19
2209	Self-Aligning Ball Bearing	45	85	23
30209	Tapered Roller Bearing	45	85	20.75
51309	Thrust Ball Bearing	45	85	28
6209	Deep Groove Ball Bearing	45	85	19
7209	Angular Contact Ball Bearing	45	85	19
N209	Cylindrical Roller Bearing	45	85	19
NU209	Cylindrical Roller Bearing	45	85	19
NU2209	Cylindrical Roller Bearing	45	85	23
QJ209	Four-Point Contact Ball Bearing	45	85	19
UC209	Insert (Mounted) Ball Bearing	45	85	49.2
1309	Self-Aligning Ball Bearing	45	100	25
22309	Spherical Roller Bearing	45	100	36
2309	Self-Aligning Ball Bearing	45	100	36
30309	Tapered Roller Bearing	45	100	27.25
51409	Thrust Ball Bearing	45	100	39
6309	Deep Groove Ball Bearing	45	100	25
7309	Angular Contact Ball Bearing	45	100	25
N309	Cylindrical Roller Bearing	45	100	25
NU2309	Cylindrical Roller Bearing	45	100	36
NU309	Cylindrical Roller Bearing	45	100	25

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