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：2026-04-16
Application:plastic molding,Safety protection,boring bar boring bar,light therapy instrument,Industrial,Garment Accessories,marine test,Special Equipment,special broaching machine,Industry,chemical raw materials and reagents
Similar models:BD-21311 EK-H 311 21311 EK BD-21311 EK-AHX 311 21311 E
BEARING POWER International Trading Co.,Ltd. specialize in BD-21311EK-H311 products，there is large inventory of SKF BD-21311 EK-H 311 Spherical roller bearings. We has been built up long-term cooperation with SKF company, could make a bulk order of the BD-21311 EK-H 311 Which SKF BD-21311EK-H311 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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