Bearings, units and housings -- Ball bearings -- Angular contact ball bearings -- Double row angular contact ball bearings -- Angular contact ball bearings, double row SKF 3307 ATN9

3307 ATN9

SKF Explorer

Dimensions

d		35	mm
D		80	mm
B		34.9	mm
d₂	≈	44.6	mm
D₂	≈	70.5	mm
r_1,2	min.	1.5	mm
a		47	mm

Abutment dimensions

d_a	min.	44	mm
D_a	max.	71	mm
r_a	max.	1.5	mm

Calculation data

Basic dynamic load rating	C	52	kN
Basic static load rating	C₀	35.5	kN
Fatigue load limit	P_u	1.5	kN
Reference speed		8500	r/min
Limiting speed		8500	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

0.73

Model Number: 3307 ATN9
Inner Diameter：35mm Outer Diameter：80mm Width：34.9mm
Reference speed:8500 r/min Limiting speed:8500 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：2026-04-16
Application:Air,Cylinder Pneumatic Treatment Element,generator,rolling machine,extruder,electric pump,Broadcasting System,Broadcasting System,Medical equipment,Traffic Fire Protection Equipment Security equipment,injection molding machine
Similar models:3307 DJ1 3307 A 3307 A-2ZTN9/MT33 BT4B 330742 A/HA4 3307 A-2Z 53307 + U 307 330782 AG 330726 A 330758 BG 3307 A-2RS1TN9/MT33
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Model No.	Inner Diameter	Outer Diameter	Width	Type
2219 K	95	170	43	Bearings, units and housings
22215 E	75	130	31	Bearings, units and housings
315 VRME R	309	-	-	Seals
590655	247.65	285.75	15.88	Seals
6308-2Z/VA208	40	90	23	Bearings, units and housings
7004 CE/P4AL	20	42	12	Bearings, units and housings
7212 BEGAM	60	110	22	Bearings, units and housings
790x850x25 HDS1 V	790	850	25	Seals
C 3188 KMB	440	720	226	Bearings, units and housings
K 25x30x20	25	30	20	Bearings, units and housings
KRV 30 B	-	30	14	Bearings, units and housings
N 1020 KTN9/HC5SP	100	150	24	Bearings, units and housings

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