Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF W 61811-2Z

W 61811-2Z

Dimensions

d		55	mm
D		72	mm
B		9	mm
d₁	≈	60.3	mm
D₂	≈	68.68	mm
r_1,2	min.	0.3	mm

Abutment dimensions

d_a	min.	57	mm
d_a	max.	60	mm
D_a	max.	70	mm
r_a	max.	0.3	mm

Calculation data

Basic dynamic load rating	C	7.15	kN
Basic static load rating	C₀	8.5	kN
Fatigue load limit	P_u	0.345	kN
Reference speed		19000	r/min
Limiting speed		9500	r/min
Calculation factor	k_r	0.02
Calculation factor	f₀	17

Mass

Mass bearing

0.078

Model Number: W 61811-2Z
Inner Diameter：55mm Outer Diameter：72mm Width：9mm
Reference speed:9500 r/min Limiting speed:19000 r/min
Type：Bearings, units and housings Ball bearings Deep groove ball bearings Deep groove ball bearings
Details： Deep groove ball bearings
Update date：2026-06-25
Application:thread processing machine,medical equipment,Workpiece,oral medical device,auto tools,blood cell reagent,Industrial Adhesive,Garment Accessories,ventilator anesthesia machine etc,motorcycle,cleaners
Similar models:W 61811-2RS1 61811-2RS1 61811 W 61811 61811-2RZ W 61811-2Z W 61811-2RZ
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Model No. Inner Diameter Outer Diameter Width Type

17461
22205 E
240/800 ECA/W33
FYT 55 TF/VA228
N 1024 KTNHA/HC5SP

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Model No.	Inner Diameter	Outer Diameter	Width	Type
17461
22205 E
240/800 ECA/W33
FYT 55 TF/VA228
N 1024 KTNHA/HC5SP