Bearings with a 50 mm bore

30 bearings on this site have a 50 mm bore, across 8 outside diameters (65–110 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)
6810	Deep Groove Ball Bearing	50	65	7
51110	Thrust Ball Bearing	50	70	14
6910	Deep Groove Ball Bearing	50	72	12
51210	Thrust Ball Bearing	50	78	22
16010	Deep Groove Ball Bearing	50	80	10
6010	Deep Groove Ball Bearing	50	80	16
7010	Angular Contact Ball Bearing	50	80	16
NU1010	Cylindrical Roller Bearing	50	80	16
1210	Self-Aligning Ball Bearing	50	90	20
2210	Self-Aligning Ball Bearing	50	90	23
30210	Tapered Roller Bearing	50	90	21.75
6210	Deep Groove Ball Bearing	50	90	20
7210	Angular Contact Ball Bearing	50	90	20
N210	Cylindrical Roller Bearing	50	90	20
NU210	Cylindrical Roller Bearing	50	90	20
NU2210	Cylindrical Roller Bearing	50	90	23
QJ210	Four-Point Contact Ball Bearing	50	90	20
UC210	Insert (Mounted) Ball Bearing	50	90	51.6
51310	Thrust Ball Bearing	50	95	31
1310	Self-Aligning Ball Bearing	50	110	27
22310	Spherical Roller Bearing	50	110	40
2310	Self-Aligning Ball Bearing	50	110	40
30310	Tapered Roller Bearing	50	110	29.25
51410	Thrust Ball Bearing	50	110	43
6310	Deep Groove Ball Bearing	50	110	27
7310	Angular Contact Ball Bearing	50	110	27
N310	Cylindrical Roller Bearing	50	110	27
NU2310	Cylindrical Roller Bearing	50	110	40
NU310	Cylindrical Roller Bearing	50	110	27
QJ310	Four-Point Contact Ball Bearing	50	110	27

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