Bearings, units and housings -- Roller bearings -- Spherical roller bearings -- Spherical roller bearings -- SKF 21308 EK

21308 EK

SKF Explorer

Dimensions

d		40	mm
D		90	mm
B		23	mm
d₂	≈	60	mm
D₁	≈	79.8	mm
b		5.5	mm
K		3	mm
r_1,2	min.	1.5	mm

Tapered bore, taper 1:12

Abutment dimensions

D_a	max.	81	mm
r_a	max.	1.5	mm

Calculation data

Basic dynamic load rating	C	107	kN
Basic static load rating	C₀	108	kN
Fatigue load limit	P_u	12	kN
Reference speed		7000	r/min
Limiting speed		9500	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

0.74

Mounting information

Recommended lock nut tightening angle

115

Model Number: 21308 EK
Inner Diameter：40mm Outer Diameter：90mm Width：23mm
Reference speed:9500 r/min Limiting speed:7000 r/min
Type：Bearings, units and housings Roller bearings Spherical roller bearings Spherical roller bearings
Details： Spherical roller bearings
Update date：2025-12-09
Application:Forging machine,pump,coal,other lathe,Food testing,Gripper Swing,municipal machinery,power protection,medical equipment,car steering pin,teaching equipment
Similar models:21308 EK BD-21308 EK-AH 308 21308 E
BEARING POWER International Trading Co.,Ltd. specialize in 21308EK products，there is large inventory of SKF 21308 EK Spherical roller bearings. We has been built up long-term cooperation with SKF company, could make a bulk order of the 21308 EK Which SKF 21308EK 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.

Model No.	Inner Diameter	Outer Diameter	Width	Type
100x120x12 CRW1 R	100	120	12	Seals
305393	200	280	80	Bearings, units and housings
BT4-0016 G/HA1C445VA901	304.902	412.648	-	Bearings, units and housings
BT4B 332571/HA4	863.6	1130.3	-	Bearings, units and housings
FY 20 TF/VA228	20	-	37.3	Bearings, units and housings
GEC 340 TXA-2RS	340	460	135	Bearings, units and housings
NNC 4912 CV	60	85	25	Bearings, units and housings
NU 2238 ECML	190	340	92	Bearings, units and housings
S7003 CE/HCP4A	17	35	10	Bearings, units and housings
SAF 1314	70	-	-	Bearings, units and housings
SAFS 22526 x 4.3/8 TLC	111.125	-	-	Bearings, units and housings
SNW 3028x4.7/8	123.825	165.227	84.582	Bearings, units and housings

Purchase the SKF 21308 EK Please fill in the following

Hot number： 1500243 22240 CCK/W33 315599 A 32008T41.5 X/DB 34408 6313-2ZNR 7218 ACD/HCP4A 9859 AOHX 3292 G BD-C 3040 K-H 3040 N 1021 KTNHA/HC5SP NJ 320 ECML NU 314 ECM/HC5C3 SAF 23030 KA x 5.1/8 SI 45 ES-2RS