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 MA

QJ 304 MA

SKF Explorer

Dimensions

d		20	mm
D		52	mm
B		15	mm
d₁	≈	27.5	mm
D₁	≈	40.8	mm
a		25	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 MA
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：2024-12-13
Application:medical equipment,Film machine,decoration machinery,lifting chain,animal,electric hydraulic lifting platform,switch,power source,test laboratory equipment and accessories,dye pigments,Beauty and Body
Similar models:SAFS 23040 KA x 7.1/4 SAFS 23044 KA x 7.7/8 6304-2Z/VA208 BD-23040 CCK/W33-H 3040 C 3040 SNW 3040x7.3/16 SAF 23040 KA x 7.1/4 SSAFS 23048 KAT x 9 23048 CCK/W33 6304/HR22T2
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Hot number： BD-22260 CCK/W33-AOH 2260 G 16x30x7 HMSA10 V 3307 A 33775 64993 71907 ACE/HCP4A 71920 ACD/P4AL BT4B 334002 G/HA1VA901 HJ 1084 NA 2206.2RS NN 3048 K/SPW33 SAF 22628 x 5 T RN-2.5x9.8 BF/G2 SAFS 23048 KAT x 8.15/16 SYNT 35 FTS