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

21309 EK

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

Tapered bore, taper 1:12

Abutment dimensions

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

0.98

Mounting information

Recommended lock nut tightening angle

130

Model Number: 21309 EK
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：2026-04-16
Application:Material handling equipment,food sterilization,roller lathe,raw material accessories,Broadcasting System,Embroidery,textile machinery,Surveying Surveying Instruments,Broadcasting System,intermediate,equipment and
Similar models:BD-21309 EK-H 309 21309 E 21309 EK BD-21309 EK-AH 309
BEARING POWER International Trading Co.,Ltd. specialize in 21309EK products，there is large inventory of SKF 21309 EK Spherical roller bearings. We has been built up long-term cooperation with SKF company, could make a bulk order of the 21309 EK Which SKF 21309EK 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.

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