Bearings, units and housings -- Ball bearings -- Self-aligning ball bearings -- Self-aligning ball bearings -- SKF 1307 EKTN9

1307 EKTN9

Dimensions

d		35	mm
D		80	mm
B		21	mm
d₁	≈	51.55	mm
D₁	≈	67.5	mm
r_1,2	min.	1.5	mm

Tapered bore, taper 1:12

Abutment dimensions

D_a	max.	71	mm
r_a	max.	1.5	mm

Calculation data

Basic dynamic load rating	C	26.5	kN
Basic static load rating	C₀	8.5	kN
Fatigue load limit	P_u	0.43	kN
Reference speed		16000	r/min
Limiting speed		11000	r/min
Permissible angular misalignment	a	3	°
Calculation factor	k_r	0.04
Calculation factor	e	0.25
Calculation factor	Y₀	2.5
Calculation factor	Y₁	2.5
Calculation factor	Y₂	3.9

Mass

Mass bearing

0.51

Model Number: 1307 EKTN9
Inner Diameter：35mm Outer Diameter：80mm Width：21mm
Reference speed:11000 r/min Limiting speed:16000 r/min
Type：Bearings, units and housings Ball bearings Self-aligning ball bearings Self-aligning ball bearings
Details： Self-aligning ball bearings
Update date：2026-06-25
Application:air conditioning tools,Broadcasting System,Perfusion device,Storage Device,spreader series,machine lathe,Switch,Small air generators,ventilation heating equipment,medical equipment,impression material
Similar models:1307 EKTN9 + H 307 51307 1307 EKTN9 31307 1307 ETN9 21307 CC
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Model No. Inner Diameter Outer Diameter Width Type

21234
40x52x8 HMS5 V
6305-2RS1
NA 2203.2RS
PBM 284025 M1G1

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Hot number： 23032-2CS5K/VT143 23779 25071 53307 + U 307 7513 BTW 60 CTN9/SP AOHX 30/560 D/W R1-5 D/W R188-2RS1 K 38x46x20 KD10-404 N 1021 KTN9/SP OH 3052 H SAF 1515 x 2.3/8 T SALA 80 TXE-2LS

Model No.	Inner Diameter	Outer Diameter	Width	Type
21234
40x52x8 HMS5 V
6305-2RS1
NA 2203.2RS
PBM 284025 M1G1