Bearings by bore

20 mm bore bearings

Every standard bearing in this reference with a 20 mm (0.7874 in) bore, grouped by type and ordered from light to heavy sections.

Deep groove ball bearings

Deep groove ball20 mm

Designation	Bore d	Outside D	Width B
6004	20 mm	42 mm	12 mm
6204	20 mm	47 mm	14 mm
6304	20 mm	52 mm	15 mm
6404	20 mm	72 mm	19 mm
61804	20 mm	32 mm	7 mm
61904	20 mm	37 mm	9 mm
16004	20 mm	42 mm	8 mm

Self-aligning ball bearings

Designation	Bore d	Outside D	Width B
1204	20 mm	47 mm	14 mm
1304	20 mm	52 mm	15 mm
2204	20 mm	47 mm	18 mm
2304	20 mm	52 mm	21 mm

Angular contact ball bearings

Designation	Bore d	Outside D	Width B
7204	20 mm	47 mm	14 mm
7304	20 mm	52 mm	15 mm

Cylindrical roller bearings

Designation	Bore d	Outside D	Width B
NU204 / NJ204 / NUP204 / N204	20 mm	47 mm	14 mm
NU304 / NJ304 / NUP304 / N304	20 mm	52 mm	15 mm
NU2204 / NJ2204 / NUP2204	20 mm	47 mm	18 mm
NU2304 / NJ2304 / NUP2304	20 mm	52 mm	21 mm

Tapered roller bearings

Designation	Bore d	Outside D	Width T
30204	20 mm	47 mm	15.25 mm
30304	20 mm	52 mm	16.25 mm
32004X	20 mm	42 mm	15 mm
32204	20 mm	47 mm	19.25 mm
32304	20 mm	52 mm	22.25 mm

Thrust ball bearings

Designation	Bore d	Outside D	Height H
51104	20 mm	35 mm	10 mm
51204	20 mm	40 mm	14 mm

Pillow block bearing units

Unit	Shaft	Centre height H	Bolt spacing J
UCP204	20 mm	33.3 mm	95 mm

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