Bearings, units and housings -- Roller bearings -- Cylindrical roller bearings -- Double row cylindrical roller bearings -- Cylindrical roller bearings, double row SKF NNU 4168 K30M/W33

NNU 4168 K30M/W33

Design

Design variant/feature

NNU K30/W33

Dimensions

d		340	mm
D		580	mm
B		243	mm
D₁	≈	510	mm
F		402	mm
b		16.7	mm
K		9	mm
r_1,2	min.	5	mm
s	max.	10	mm

Tapered bore, taper 1:30

Abutment dimensions

d_a	min.	360	mm
d_a	max.	392	mm
D_a	max.	560	mm
r_a	max.	4	mm

Calculation data

Basic dynamic load rating	C	4020	kN
Basic static load rating	C₀	7500	kN
Fatigue load limit	P_u	620	kN
Reference speed		950	r/min
Limiting speed		1200	r/min
Calculation factor	k_r	0.35

Mass

Mass bearing

260

Model Number: NNU 4168 K30M/W33
Inner Diameter：340mm Outer Diameter：580mm Width：243mm
Reference speed:1200 r/min Limiting speed:950 r/min
Type：Bearings, units and housings Roller bearings Cylindrical roller bearings Double row cylindrical roller bearings
Details： Double row cylindrical roller bearings Cylindrical roller bearings, double row
Update date：2025-12-09
Application:Infrared Technology,motor,printing machinery,Optical detection,leather processing,generator,Industrial,metallurgical mold,mechanical and electrical,granulator,Industrial Electromechanical
Similar models:BD-24168 ECCK30J/W33-AOH 24168 AOH 24168 C 4168 K30MB 24168 ECCJ/W33 24168 ECCK30J/W33 NNU 4168 K30M/W33 NNU 4168 M/W33
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