Bearings, units and housings -- Ball bearings -- Angular contact ball bearings -- Four-point contact ball bearings -- Angular contact ball bearings, four-point contact ball bearings SKF QJ 304 N2PHAS

QJ 304 N2PHAS

SKF Explorer

Dimensions

d		20	mm
D		52	mm
B		15	mm
d₁	≈	27.5	mm
D₁	≈	40.8	mm
a		25	mm
h		3.5	mm
b		4.5	mm
r₀		0.5	mm
r_1,2	min.	1.1	mm

Abutment dimensions

d_a	min.	27	mm
D_a	max.	45	mm
r_a	max.	1	mm

Calculation data

Basic dynamic load rating	C	32	kN
Basic static load rating	C₀	21.6	kN
Fatigue load limit	P_u	0.93	kN
Limiting speed		24000	r/min
Calculation factor	A	1.428
Calculation factor	e	0.95
Calculation factor	X	0.6
Calculation factor	Y₀	0.58
Calculation factor	Y₁	0.66
Calculation factor	Y₂	1.07

Mass

Mass bearing

0.18

Model Number: QJ 304 N2PHAS
Inner Diameter：20mm Outer Diameter：52mm Width：15mm
Reference speed:24000 r/min Limiting speed:-
Type：Bearings, units and housings Ball bearings Angular contact ball bearings Four-point contact ball bearings
Details： Four-point contact ball bearings Angular contact ball bearings, four-point contact ball bearings
Update date：2026-04-20
Application:quality inspection equipment,test equipment,Automation,trolley,coupling type,dye pigments,Cylinder Pneumatic Treatment Element,Reflective Materials Industrial fabrics,auto tools,ignition system,medical treatment
Similar models:NN 3044 K/SPW33 SNL 3040 SAFS 23044 KAT x 7.13/16 SSAFS 23044 KATLC x 8 SNLN 3044 NU 2304 ECP SSAFS 23040 KATLC x 7.1/4 SAFS 23048 KA x 9 3304 A-2RS1 6304-RSH
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6134	15.875	25.07	6.35	Seals
7007 ACB/HCP4A	35	62	14	Bearings, units and housings
71940 ACD/HCP4A	200	280	38	Bearings, units and housings
81208 TN	40	68	19	Bearings, units and housings
GEZ 500 ESX-2LS	127	196.85	95.25	Bearings, units and housings
NKI 95/36	95	125	36	Bearings, units and housings
OKCX 510	510		-
PCM 505520 E	50	55	20	Bearings, units and housings
S71912 ACD/P4A	60	85	13	Bearings, units and housings

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