Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF 6409 NR

6409 NR

Dimensions

d		45	mm
D		120	mm
B		29	mm
d₁	≈	68.91	mm
D₁	≈	95.85	mm
D₃		115	mm
D₄		129.7	mm
b		3.1	mm
C		4.06	mm
f		2.82	mm
r₀	max.	0.6	mm
r_1,2	min.	2	mm

Abutment dimensions

d_a	min.	58	mm
D_a	max.	107	mm
D_b	min.	131	mm
b_a	min.	3.5	mm
C_a	max.	6.88	mm
r_a	max.	2	mm

Calculation data

Basic dynamic load rating	C	76.1	kN
Basic static load rating	C₀	45	kN
Fatigue load limit	P_u	1.9	kN
Reference speed		13000	r/min
Limiting speed		8500	r/min
Calculation factor	k_r	0.035
Calculation factor	f₀	12

Mass

Mass bearing

1.61

Included products

Snap ring

SP 120

Model Number: 6409 NR
Inner Diameter：45mm Outer Diameter：120mm Width：29mm
Reference speed:8500 r/min Limiting speed:13000 r/min
Type：Bearings, units and housings Ball bearings Deep groove ball bearings Deep groove ball bearings
Details： Deep groove ball bearings
Update date：2026-04-16
Application:packing equipment,horizontal processing,cleaning agent,surgical instruments,Roller mill,Grinding and polishing equipment,food add,gear type,food sterilization,hydraulic cylinder buffer,electrocardiograph
Similar models:6409 N 6409 6409 NR
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