Bearings, units and housings -- Roller bearings -- Spherical roller bearings -- Spherical roller bearings -- SKF BD-21309 EK-AH 309

21309 EK + AH 309

SKF Explorer

Dimensions

d₁		40	mm
D		100	mm
B		25	mm
d₂	≈	65.3	mm
D₁	≈	88	mm
B₁		31	mm
B₂		34	mm
b		6	mm
K		3	mm
r_1,2	min.	1.5	mm
G		M 50x1.5
G₁		6	mm

Abutment dimensions

d_a	min.	52.2	mm
D_a	max.	91	mm
r_a	max.	1.5	mm

Calculation data

Basic dynamic load rating	C	129	kN
Basic static load rating	C₀	127	kN
Fatigue load limit	P_u	14	kN
Reference speed		6300	r/min
Limiting speed		8500	r/min
Calculation factor	e	0.24
Calculation factor	Y₁	2.8
Calculation factor	Y₂	4.2
Calculation factor	Y₀	2.8

Mass

Mass bearing + sleeve

1.1

Model Number: BD-21309 EK-AH 309
Inner Diameter：40mm Outer Diameter：100mm Width：25mm
Reference speed:8500 r/min Limiting speed:6300 r/min
Type：Bearings, units and housings Roller bearings Spherical roller bearings Spherical roller bearings
Details： Spherical roller bearings
Update date：2026-02-26
Application:atomizer class,lifting upgrade,disposable,Other machinery,shoe-making machinery,Film machine,storage and transportation equipment,Hair styling device,Safety protection,chemical raw materials and reagents,gear grinding machine
Similar models:BD-21309 EK-H 309 BD-21309 EK-AH 309 21309 E 21309 EK
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Model No. Inner Diameter Outer Diameter Width Type

23284-2CS5/VT143
N 1019 KTN9/HC5SP
IR 300x330x80
NJ 2207 ECP
SAF 1516 x 2.5/8

Purchase the SKF BD-21309 EK-AH 309 Please fill in the following

Hot number： 23936 CCK/W33 248/530 CAK30MA/W20 35086 51256 M 67981/67919 BT4-0014 G/HA1C400VA903 GEH 45 ES-2LS HJ 2208 EC K 16x20x17 LS 3552 PBM 304045 M1G1 P 52 R-3/4 TF SAF 1515 x 2.1/2 T W 607-2RZ W 61902

Model No.	Inner Diameter	Outer Diameter	Width	Type
23284-2CS5/VT143
N 1019 KTN9/HC5SP
IR 300x330x80
NJ 2207 ECP
SAF 1516 x 2.5/8