Bearings with a 100 mm bore

27 bearings on this site have a 100 mm bore, across 9 outside diameters (125–215 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)
6820	Deep Groove Ball Bearing	100	125	13
51120	Thrust Ball Bearing	100	135	25
6920	Deep Groove Ball Bearing	100	140	20
16020	Deep Groove Ball Bearing	100	150	16
51220	Thrust Ball Bearing	100	150	38
6020	Deep Groove Ball Bearing	100	150	24
7020	Angular Contact Ball Bearing	100	150	24
NU1020	Cylindrical Roller Bearing	100	150	24
23120	Spherical Roller Bearing	100	165	52
51320	Thrust Ball Bearing	100	170	55
1220	Self-Aligning Ball Bearing	100	180	34
2220	Self-Aligning Ball Bearing	100	180	46
22220	Spherical Roller Bearing	100	180	46
6220	Deep Groove Ball Bearing	100	180	34
7220	Angular Contact Ball Bearing	100	180	34
N220	Cylindrical Roller Bearing	100	180	34
NU220	Cylindrical Roller Bearing	100	180	34
NU2220	Cylindrical Roller Bearing	100	180	46
51420	Thrust Ball Bearing	100	210	85
1320	Self-Aligning Ball Bearing	100	215	47
22320	Spherical Roller Bearing	100	215	73
2320	Self-Aligning Ball Bearing	100	215	73
6320	Deep Groove Ball Bearing	100	215	47
7320	Angular Contact Ball Bearing	100	215	47
N320	Cylindrical Roller Bearing	100	215	47
NU2320	Cylindrical Roller Bearing	100	215	73
NU320	Cylindrical Roller Bearing	100	215	47

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