Bearings with a 90 mm bore

28 bearings on this site have a 90 mm bore, across 8 outside diameters (115–190 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)
6818	Deep Groove Ball Bearing	90	115	13
51118	Thrust Ball Bearing	90	120	22
6918	Deep Groove Ball Bearing	90	125	18
51218	Thrust Ball Bearing	90	135	35
16018	Deep Groove Ball Bearing	90	140	16
6018	Deep Groove Ball Bearing	90	140	24
7018	Angular Contact Ball Bearing	90	140	24
NU1018	Cylindrical Roller Bearing	90	140	24
51318	Thrust Ball Bearing	90	155	50
1218	Self-Aligning Ball Bearing	90	160	30
2218	Self-Aligning Ball Bearing	90	160	40
6218	Deep Groove Ball Bearing	90	160	30
7218	Angular Contact Ball Bearing	90	160	30
N218	Cylindrical Roller Bearing	90	160	30
NU218	Cylindrical Roller Bearing	90	160	30
NU2218	Cylindrical Roller Bearing	90	160	40
QJ218	Four-Point Contact Ball Bearing	90	160	30
UC218	Insert (Mounted) Ball Bearing	90	160	96
1318	Self-Aligning Ball Bearing	90	190	43
22318	Spherical Roller Bearing	90	190	64
2318	Self-Aligning Ball Bearing	90	190	64
51418	Thrust Ball Bearing	90	190	77
6318	Deep Groove Ball Bearing	90	190	43
7318	Angular Contact Ball Bearing	90	190	43
N318	Cylindrical Roller Bearing	90	190	43
NU2318	Cylindrical Roller Bearing	90	190	64
NU318	Cylindrical Roller Bearing	90	190	43
QJ318	Four-Point Contact Ball Bearing	90	190	43

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