Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF 4307 ATN9

4307 ATN9

Dimensions

d		35	mm
D		80	mm
B		31	mm
d₁	≈	49.5	mm
D₁	≈	65.4	mm
r_1,2	min.	1.5	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	50.7	kN
Basic static load rating	C₀	38	kN
Fatigue load limit	P_u	1.63	kN
Reference speed		14000	r/min
Limiting speed		7500	r/min
Calculation factor	k_r	0.06
Calculation factor	f₀	13.1

Mass

Mass bearing

0.68

Model Number: 4307 ATN9
Inner Diameter：35mm Outer Diameter：80mm Width：31mm
Reference speed:7500 r/min Limiting speed:14000 r/min
Type：Bearings, units and housings Ball bearings Deep groove ball bearings Deep groove ball bearings
Details： Deep groove ball bearings
Update date：2026-06-24
Application:relay,Beauty and Body,Food testing,chemical instruments,Gear grinding machine,electromagnetic clutch,economic mold,Hydraulic Couplings,supporting facilities,electronic components,Rolling mill
Similar models:4307 ATN9 54307 + U 307
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Model No. Inner Diameter Outer Diameter Width Type

470861
BT4B 334075 G/HA1VA901
NNU 4924 BK/SPW33
PCM 505530 E
SNW 3028x4.7/8

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Hot number： 1222 24x37x7 HMS5 V 331562 413006 6304-2Z/VA208 99473 AN 32 C 6910 V GRA 3014 IR 25x30x32 LS 85110 NUP 19/670 ECMA PCM 101212 M SSAFS 22534 TLC SYNT 40 LW

Model No.	Inner Diameter	Outer Diameter	Width	Type
470861
BT4B 334075 G/HA1VA901
NNU 4924 BK/SPW33
PCM 505530 E
SNW 3028x4.7/8