Bearings, units and housings -- Roller bearings -- Cylindrical roller bearings -- Double row cylindrical roller bearings -- Cylindrical roller bearings, double row SKF NNU 4188 M/W33

NNU 4188 M/W33

Design

Design variant/feature

NNU/W33

Dimensions

d		440	mm
D		720	mm
B		280	mm
D₁	≈	638	mm
F		511	mm
b		22.3	mm
K		12	mm
r_1,2	min.	6	mm
r_3,4	min.	5	mm
s	max.	10.8	mm

Abutment dimensions

d_a	min.	466	mm
d_a	max.	500	mm
d_b	min.	516	mm
D_a	max.	694	mm
r_a	max.	5	mm
r_b	max.	4	mm

Calculation data

Basic dynamic load rating	C	5720	kN
Basic static load rating	C₀	11800	kN
Fatigue load limit	P_u	900	kN
Reference speed		700	r/min
Limiting speed		900	r/min
Calculation factor	k_r	0.34

Mass

Mass bearing

450

Model Number: NNU 4188 M/W33
Inner Diameter：440mm Outer Diameter：720mm Width：280mm
Reference speed:900 r/min Limiting speed:700 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：2026-04-16
Application:electrocardiograph,hinge industry,E Beauty,Forging machine,metallurgical mold,auto tools,bag machine,training beds etc,car,leather processing,Pneumatic Control Valves
Similar models:24188 ECA/W33 NNU 4188 K30M/W33 NNU 4188 M/W33 AOH 24188 24188 ECAK30/W33 C 4188 MB BD-C 4188 K30MB-AOH 24188 C 4188 K30MB
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