Bearings, units and housings -- Roller bearings -- Spherical roller bearings -- Spherical roller bearings -- SKF 21309 E

21309 E

SKF Explorer

Dimensions

d		45	mm
D		100	mm
B		25	mm
d₂	≈	65.3	mm
D₁	≈	88	mm
b		6	mm
K		3	mm
r_1,2	min.	1.5	mm

Abutment dimensions

d_a	min.	54	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

0.99

Model Number: 21309 E
Inner Diameter：45mm 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：2026-06-25
Application:magnetic elements,safety testing,gear type,Sensors,gas turbine,reinforced machinery,security equipment,wheel lathe,air conditioning tools,quality inspection equipment,Broadcasting System
Similar models:BD-21309 EK-AH 309 21309 E BD-21309 EK-H 309 21309 EK
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Model No. Inner Diameter Outer Diameter Width Type

C 4032 V
NNF 5011 ADB-2LSV
NNU 41/1000 K30M/W33
PCM 606530 E
PF 25 RM

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Hot number： 20079 BD-23060 CCK/W33-AOH 3060 470566 617670 60x90x10 HMS5 RG 6304-2Z K 14x18x17 NKX 20 NU 330 ECML PCM 455040 M PCMF 121417 E SC 20 ES SNL 3048 SNW 111x1.7/8 W 6209-2RZ

Model No.	Inner Diameter	Outer Diameter	Width	Type
C 4032 V
NNF 5011 ADB-2LSV
NNU 41/1000 K30M/W33
PCM 606530 E
PF 25 RM