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

61811

Dimensions

d		55	mm
D		72	mm
B		9	mm
d₁	≈	60.3	mm
D₁	≈	67	mm
r_1,2	min.	0.3	mm

Abutment dimensions

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

Calculation data

Basic dynamic load rating	C	9.04	kN
Basic static load rating	C₀	8.8	kN
Fatigue load limit	P_u	0.375	kN
Reference speed		19000	r/min
Limiting speed		12000	r/min
Calculation factor	k_r	0.015
Calculation factor	f₀	17

Mass

Mass bearing

0.083

Model Number: 61811
Inner Diameter：55mm Outer Diameter：72mm Width：9mm
Reference speed:12000 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：2026-07-27
Application:motor,milling head plug,printing equipment,Vertical machining,DC generators,decoration machinery,packing equipment,ship special,EEG,circulating pump,power source
Similar models:W 61811 W 61811-2RS1 61811-2RZ W 61811-2RZ 61811 61811-2RS1 W 61811-2Z
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Model No. Inner Diameter Outer Diameter Width Type

1550 VL R
40049
6307 M
NU 318 ECML
PCMW 223801.5 M

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Model No.	Inner Diameter	Outer Diameter	Width	Type
1550 VL R
40049
6307 M
NU 318 ECML
PCMW 223801.5 M