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 N2MA

QJ 304 N2MA

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 N2MA
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：2026-04-17
Application:steam Hydraulic control element,Internal thread type,extruder,E Beauty,equipment,office outdoor camping equipment,Industry,suction nozzle,Spectrum Products,Insect Capture,pump industry
Similar models:HME 3048 SAF 23040 KAT x 7.3/16 C 3048 K SAFS 23044 KAT x 8 W 6304-2RS1 W 6304 HJ 304 EC SNL 3048 SNL 3048 TURA 3304 ATN9
BEARING POWER International Trading Co.,Ltd. specialize in QJ304N2MA products，there is large inventory of SKF QJ 304 N2MA Four-point contact ball bearings. We has been built up long-term cooperation with SKF company, could make a bulk order of the QJ 304 N2MA Which SKF QJ304N2MA is the most authentic, must choose BEARING POWER, what a whole variety, reasonable price, guaranteed quality, prompt delivery via Global express. Any inquiry, never hesitate to E-mail or call +86-022-58519721 to contact us.

Model No.	Inner Diameter	Outer Diameter	Width	Type
11343	28.575	50.8	9.53	Seals
6303/HR11QN	17	47	14	Bearings, units and housings
9x22x7 HMS5 V	9	22	7	Seals
AMS 22 ABP	69.85	158.75	34.925	Bearings, units and housings
BT4-8139 G/HA1	711.2	914.4	-	Bearings, units and housings
PCM 707550 M	70	75	50	Bearings, units and housings
SAF 1520	87.3125	-	-	Bearings, units and housings
SNL 3244 G	220	-	-	Bearings, units and housings
SAFS 22516	68.2625	-	-	Bearings, units and housings
W 6304-2Z	20	52	15	Bearings, units and housings
T7FC 045	45	95	29	Bearings, units and housings
YAR 205-2FW/VA201	25	52	15	Bearings, units and housings

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