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 303 N2MA

QJ 303 N2MA

Dimensions

d		17	mm
D		47	mm
B		14	mm
d₁	≈	27.7	mm
D₁	≈	36.3	mm
a		22	mm
h		3.5	mm
b		4.5	mm
r₀		0.5	mm
r_1,2	min.	1	mm

Abutment dimensions

d_a	min.	22.6	mm
D_a	max.	41.4	mm
r_a	max.	1	mm

Calculation data

Basic dynamic load rating	C	23.4	kN
Basic static load rating	C₀	15	kN
Fatigue load limit	P_u	0.64	kN
Limiting speed		28000	r/min
Calculation factor	A	0.87
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

0.14

Model Number: QJ 303 N2MA
Inner Diameter：17mm Outer Diameter：47mm Width：14mm
Reference speed:28000 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：2026-06-24
Application:stirrer,supporting facilities,Antenna Industry,linear drive,lifting equipment Hoisting hoist,medical equipment,Spectrum Products,Spectrum Products,plant determination,plastic rolling,gear grinding machine
Similar models:SAF 23034 KATLC x 5.7/8 SSAFS 23038 KA x 6.7/8 PRMF 303430 62303-2RS1 23030 CCK/W33 23038 CCK/W33 SAF 23030 KAT x 5.1/4 6303/VA201 23036-2CS5K/VT143 C 3036
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Model No. Inner Diameter Outer Diameter Width Type

400075
407203
6304-RSH
71803 ACD/P4
W 61701 R

Purchase the SKF QJ 303 N2MA Angular contact ball bearings, four-point contact ball bearings Please fill in the following

Hot number： 14816 28746 4700567 7008 ACB/HCP4A 7010 ACD/HCP4AL 71952 ACD/P4A AH 2332 G IR 90x105x63 N 032 NATV 40 PPXA PCMF 101217 E PPMF 141617 SAF 22628 x 4.13/16 SAFS 22515-11 TLC W 619/8 R

Model No.	Inner Diameter	Outer Diameter	Width	Type
400075
407203
6304-RSH
71803 ACD/P4
W 61701 R