Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF 4308 ATN9

4308 ATN9

Dimensions

d		40	mm
D		90	mm
B		33	mm
d₁	≈	56.9	mm
D₁	≈	73.1	mm
r_1,2	min.	1.5	mm

Abutment dimensions

d_a	min.	49	mm
D_a	max.	81	mm
r_a	max.	1.5	mm

Calculation data

Basic dynamic load rating	C	55.9	kN
Basic static load rating	C₀	45	kN
Fatigue load limit	P_u	1.9	kN
Reference speed		12000	r/min
Limiting speed		6700	r/min
Calculation factor	k_r	0.06
Calculation factor	f₀	13.8

Mass

Mass bearing

0.95

Model Number: 4308 ATN9
Inner Diameter：40mm Outer Diameter：90mm Width：33mm
Reference speed:6700 r/min Limiting speed:12000 r/min
Type：Bearings, units and housings Ball bearings Deep groove ball bearings Deep groove ball bearings
Details： Deep groove ball bearings
Update date：2026-04-16
Application:other lathe,stacker lift platform,Polymer,casting embedding,power source,metallurgical mold,air purification,Industrial,sheet industry,hot and cold box,wire industry
Similar models:54308 + U 308 4308 ATN9
BEARING POWER International Trading Co.,Ltd. specialize in 4308ATN9 products，there is large inventory of SKF 4308 ATN9 Deep groove ball bearings. We has been built up long-term cooperation with SKF company, could make a bulk order of the 4308 ATN9 Which SKF 4308ATN9 is the most authentic, must choose BEARING POWER, what a whole variety, reasonable price, guaranteed quality, prompt delivery via Global express. Any inquiry, never hesitate to E-mail or call +86-022-58519721 to contact us.

Model No.	Inner Diameter	Outer Diameter	Width	Type
12483	31.75	50.8	11.13	Seals
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29456 E	280	520	145	Bearings, units and housings
42x55x7 HMS5 V	42	55	7	Seals
99086	21.8186	29.337	9.525	Seals
FYTJ 20 TF	20	-	-	Bearings, units and housings
KMFE 12	14	-	60	Bearings, units and housings
OH 3992 H	430	460	189	Bearings, units and housings
P 20 RM	20	-	-	Bearings, units and housings
SC 35 ES	35	-	25	Bearings, units and housings
SNW 26x4.3/8	111.125	171.577	95.3008	Bearings, units and housings
SNW 3034x5.7/8	149.225	200.152	101.8286	Bearings, units and housings

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