Bearings, units and housings -- Roller bearings -- Spherical roller bearings -- Spherical roller bearings -- SKF 21313 EK

21313 EK

SKF Explorer

Dimensions

d		65	mm
D		140	mm
B		33	mm
d₂	≈	94.7	mm
D₁	≈	124	mm
b		6	mm
K		3	mm
r_1,2	min.	2.1	mm

Tapered bore, taper 1:12

Abutment dimensions

D_a	max.	128	mm
r_a	max.	2	mm

Calculation data

Basic dynamic load rating	C	243	kN
Basic static load rating	C₀	270	kN
Fatigue load limit	P_u	29	kN
Reference speed		4300	r/min
Limiting speed		6000	r/min
Calculation factor	e	0.22
Calculation factor	Y₁	3
Calculation factor	Y₂	4.6
Calculation factor	Y₀	2.8

Mass

Mass bearing

2.5

Mounting information

Recommended lock nut tightening angle

115

Model Number: 21313 EK
Inner Diameter：65mm Outer Diameter：140mm Width：33mm
Reference speed:6000 r/min Limiting speed:4300 r/min
Type：Bearings, units and housings Roller bearings Spherical roller bearings Spherical roller bearings
Details： Spherical roller bearings
Update date：2026-01-19
Application:medical treatment,gantry processing,diagnostic test paper,Machine Tool Accessories,clean stationery,metering pump,E Beauty,agrochemical,machine tool spindle,CNC,Dental Equipment
Similar models:21313 E BD-21313 EK-AH 313 G 21313 EK BD-21313 EK-H 313
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Model No. Inner Diameter Outer Diameter Width Type

12x28x7 HMSA10 RG
FSAF 22616 x 2.3/4 T
IR 6x10x10
SAF 22536 x 6.1/2
SSAFS 22217

Purchase the SKF 21313 EK Please fill in the following

Hot number： 18808 51252 51288 F 6240 M 7028 ACD/HCP4AL FNL 513 A FY 50 LDW K 81108 TN PBM 304045 M1G1 OKTC 365 PRM 182115 QJ 222 N2MA RNA 4905.2RS S7018 ACE/P4A SAFS 22517 x 3 T

Model No.	Inner Diameter	Outer Diameter	Width	Type
12x28x7 HMSA10 RG
FSAF 22616 x 2.3/4 T
IR 6x10x10
SAF 22536 x 6.1/2
SSAFS 22217