Bearings, units and housings -- Ball bearings -- Angular contact ball bearings -- Double row angular contact ball bearings -- Angular contact ball bearings, double row SKF 3309 DMA

3309 DMA

Dimensions

d		45	mm
D		100	mm
B		39.7	mm
d₁	≈	70	mm
D₁	≈	86.35	mm
r_1,2	min.	1.5	mm
a		93	mm

Abutment dimensions

d_a	min.	54	mm
D_a	max.	91	mm
r_a	max.	1.5	mm

Calculation data

Basic dynamic load rating	C	79.3	kN
Basic static load rating	C₀	69.5	kN
Fatigue load limit	P_u	3	kN
Reference speed		6000	r/min
Limiting speed		6300	r/min
Calculation factor	k_r	0.095
Calculation factor	e	1.34
Calculation factor	X	0.54
Calculation factor	Y₀	0.44
Calculation factor	Y₁	0.47
Calculation factor	Y₂	0.81

Mass

Mass bearing

1.63

Model Number: 3309 DMA
Inner Diameter：45mm Outer Diameter：100mm Width：39.7mm
Reference speed:6300 r/min Limiting speed:6000 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：2026-07-24
Application:hinge industry,supporting facilities,labor insurance,Ball screw,wheel lathe,building decoration raw materials and accessories,luminescent reagent,packaging machinery,Technical Equipment,medical Equipment,Medical printer
Similar models:3309 A 330990 A 3309 A-2RS1 3309 DNRCBM 53309 + U 309 BT4B 330944 AG/HA4 3309 ATN9 3309 DMA 3309 A-2Z 330903 A
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Model No. Inner Diameter Outer Diameter Width Type

21267
D/W R2-6-2Z
H 307
PBMF 202816 M1G1
SYJ 65 KF

Purchase the SKF 3309 DMA Angular contact ball bearings, double row Please fill in the following

Hot number： 1700552 25 VS V 29414 E 58741 6304-2Z/VA201 71917 ACE/P4A 99852 BT4B 332720/HA4 HJ 330 EC KMFE 5 NA 4838 SA 12 E SAF 22216 SNW 24x4.3/16 W 61910-2RS1

Model No.	Inner Diameter	Outer Diameter	Width	Type
21267
D/W R2-6-2Z
H 307
PBMF 202816 M1G1
SYJ 65 KF