Bearings, units and housings -- Roller bearings -- Spherical roller bearings -- Spherical roller bearings -- SKF 21311 EK

21311 EK

SKF Explorer

Dimensions

d		55	mm
D		120	mm
B		29	mm
d₂	≈	72.7	mm
D₁	≈	96.2	mm
b		6	mm
K		3	mm
r_1,2	min.	2	mm

Tapered bore, taper 1:12

Abutment dimensions

D_a	max.	109	mm
r_a	max.	2	mm

Calculation data

Basic dynamic load rating	C	159	kN
Basic static load rating	C₀	163	kN
Fatigue load limit	P_u	18	kN
Reference speed		5600	r/min
Limiting speed		7500	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

1.7

Mounting information

Recommended lock nut tightening angle

115

Model Number: 21311 EK
Inner Diameter：55mm Outer Diameter：120mm Width：29mm
Reference speed:7500 r/min Limiting speed:5600 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:walking Food processing machinery and equipment,E Beauty,Forklift industry,lathe,hydraulic control element,Broadcasting System,electrostatic protection,Other Machine Tools,plastic molding,training beds etc,other lathe
Similar models:BD-21311 EK-H 311 BD-21311 EK-AHX 311 21311 EK 21311 E
BEARING POWER International Trading Co.,Ltd. specialize in 21311EK products，there is large inventory of SKF 21311 EK Spherical roller bearings. We has been built up long-term cooperation with SKF company, could make a bulk order of the 21311 EK Which SKF 21311EK 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
1900562	482.6	533.4	22.23	Seals
28x47x7 HMSA10 RG	28	47	7	Seals
30x50x10 HMS5 RG	30	50	10	Seals
403103	304	-	-	Seals
450 VRME R	439	-	-	Seals
6209	45	85	19	Bearings, units and housings
7207 BECBP	35	72	17	Bearings, units and housings
89432 M	160	320	95	Bearings, units and housings
RMS 24	76.2	177.8	39.688	Bearings, units and housings
SAF 22238	190	-	-	Bearings, units and housings
SAF 22638 x 6.13/16 TLC	173.0375	-	-	Bearings, units and housings
SNW 34x5.13/16	147.6375	170	122.8598	Bearings, units and housings

Purchase the SKF 21311 EK Please fill in the following

Hot number： 16077 200x230x15 HMS5 RG 23032-2CS5K/VT143 315826 B 340x390x25 HDS1 R 6769 71800 CD/P4 AOH 2252 G BT4B 331226 AG/HA1 G 16x24x3 NATR 6 PPA NNCL 4848 CV NU 1011 ECM/HC5C3 RNA 4860 W 63804 R-2Z