Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF 6404

6404

Dimensions

d		20	mm
D		72	mm
B		19	mm
d₁	≈	37.11	mm
D₁	≈	54.75	mm
r_1,2	min.	1.1	mm

Abutment dimensions

d_a	min.	29	mm
D_a	max.	63	mm
r_a	max.	1	mm

Calculation data

Basic dynamic load rating	C	30.7	kN
Basic static load rating	C₀	15	kN
Fatigue load limit	P_u	0.64	kN
Reference speed		24000	r/min
Limiting speed		15000	r/min
Calculation factor	k_r	0.035
Calculation factor	f₀	11

Mass

Mass bearing

0.41

Model Number: 6404
Inner Diameter：20mm Outer Diameter：72mm Width：19mm
Reference speed:15000 r/min Limiting speed:24000 r/min
Type：Bearings, units and housings Ball bearings Deep groove ball bearings Deep groove ball bearings
Details： Deep groove ball bearings
Update date：2026-02-18
Application:Storage Device,sewage pump,power tools,manual Tools,pump industry,wall industry,air shower etc,animal,mathematical instruments,steam Hydraulic control element,ultra-quiet generators
Similar models:6404
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Model No. Inner Diameter Outer Diameter Width Type

125x160x15 HMSA10 V
145x180x12 HMS5 RG
18104
249/1000 CAK30/W33
85x110x12 HMSA10 RG

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Model No.	Inner Diameter	Outer Diameter	Width	Type
125x160x15 HMSA10 V
145x180x12 HMS5 RG
18104
249/1000 CAK30/W33
85x110x12 HMSA10 RG