Bearings, units and housings -- Roller bearings -- Spherical roller bearings -- Spherical roller bearings -- SKF BD-21311 EK-H 311

21311 EK + H 311

SKF Explorer

Dimensions

d₁		50	mm
D		120	mm
B		29	mm
d₂	≈	72.7	mm
d₃		75	mm
D₁	≈	96.2	mm
B₁		45	mm
B₄		12.5	mm
b		6	mm
K		3	mm
r_1,2	min.	2	mm

Abutment dimensions

d_a	max.	72	mm
d_b	min.	60	mm
D_a	max.	109	mm
B_a	min.	6	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 + sleeve

1.95

Model Number: BD-21311 EK-H 311
Inner Diameter：50mm 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：2026-06-24
Application:key lock,Rolling mill,Storage Tool,medical treatment,shaft milling machine,office equipment,bathroom facilities,walking Food processing machinery and equipment,security equipment,Workpiece,Die
Similar models:BD-21311 EK-H 311 BD-21311 EK-AHX 311 21311 EK 21311 E
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Model No. Inner Diameter Outer Diameter Width Type

10x26x7 HMS5 V
314-ZNR
3204 A-2RS1
970 VE R
W 61808

Purchase the SKF BD-21311 EK-H 311 Please fill in the following

Hot number： 10x24x7 HMS5 V 22338 CC/W33 230/630 CAK/W33 25x62x7 CRW1 V 524224 52x72x8 HMSA10 V 53207 + U 207 AS 3552 NUP 219 ECP OKC 660 PBM 809570 M1G1 PWM 455360 SAW 23544 x 7.1/2 TLC YARAG 207-104 SYE 1 11/16 N-118

Model No.	Inner Diameter	Outer Diameter	Width	Type
10x26x7 HMS5 V
314-ZNR
3204 A-2RS1
970 VE R
W 61808