Bearings, units and housings -- Ball bearings -- Angular contact ball bearings -- Double row angular contact ball bearings -- Angular contact ball bearings, double row SKF 3304 A-2Z

3304 A-2Z

SKF Explorer

Dimensions

d		20	mm
D		52	mm
B		22.2	mm
d₂	≈	29.9	mm
D₂	≈	43.95	mm
r_1,2	min.	1.1	mm
a		30	mm

Abutment dimensions

d_a	min.	27	mm
d_a	max.	29.5	mm
D_a	max.	45	mm
r_a	max.	1	mm

Calculation data

Basic dynamic load rating	C	23.6	kN
Basic static load rating	C₀	14.6	kN
Fatigue load limit	P_u	0.62	kN
Reference speed		13000	r/min
Limiting speed		13000	r/min
Calculation factor	k_r	0.07
Calculation factor	e	0.8
Calculation factor	X	0.63
Calculation factor	Y₀	0.66
Calculation factor	Y₁	0.78
Calculation factor	Y₂	1.24

Mass

Mass bearing

0.22

Model Number: 3304 A-2Z
Inner Diameter：20mm Outer Diameter：52mm Width：22.2mm
Reference speed:13000 r/min Limiting speed:13000 r/min
Type：Bearings, units and housings Ball bearings Angular contact ball bearings Double row angular contact ball bearings
Details： Double row angular contact ball bearings Angular contact ball bearings, double row
Update date：2026-06-24
Application:pump industry,other mold,plastic molding,luminescent reagent,extruder,teaching equipment,spreader series,Insect Capture,Cylinder Special,Cylinder Type,coupling type
Similar models:LM 330448/410 3304 ATN9 3304 A 3304 A-2ZTN9/MT33 3304 A-2RS1 3304 A-2Z
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Model No. Inner Diameter Outer Diameter Width Type

22644
51109 V/HR22Q2
ECL 210
NNCF 5009 CV
SSAFS 22540 x 7.1/8

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Hot number： 100x140x12 HMSA10 V 32218/DF 403703 407502 60028 61803 71914 CE/P4A 80x130x12 CRWA1 R 812/750 M GEC 320 TXA-2RS NJ 312 ECJ NNU 4921 B/SPW33 SAFS 22517-11 SAFS 22520-11 TU 1.3/16 TF

Model No.	Inner Diameter	Outer Diameter	Width	Type
22644
51109 V/HR22Q2
ECL 210
NNCF 5009 CV
SSAFS 22540 x 7.1/8