Bearings, units and housings -- Roller bearings -- Cylindrical roller bearings -- Double row cylindrical roller bearings -- Cylindrical roller bearings, double row SKF NNU 4180 M/W33

NNU 4180 M/W33

Design

Design variant/feature

NNU/W33

Dimensions

d		400	mm
D		650	mm
B		250	mm
D₁	≈	577	mm
F		463	mm
b		16.7	mm
K		9	mm
r_1,2	min.	6	mm
r_3,4	min.	6	mm
s	max.	7.5	mm

Abutment dimensions

d_a	min.	426	mm
d_a	max.	456	mm
d_b	min.	468	mm
D_a	max.	624	mm
r_a	max.	5	mm
r_b	max.	5	mm

Calculation data

Basic dynamic load rating	C	4730	kN
Basic static load rating	C₀	9500	kN
Fatigue load limit	P_u	750	kN
Reference speed		800	r/min
Limiting speed		1000	r/min
Calculation factor	k_r	0.34

Mass

Mass bearing

325

Model Number: NNU 4180 M/W33
Inner Diameter：400mm Outer Diameter：650mm Width：250mm
Reference speed:1000 r/min Limiting speed:800 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:insect experimental analysis instrument,generator,air conditioning tools,Storage Tool,Pest Monitoring,Vertical machining,Display Devices,Embroidery,test equipment,electronic components,trolley
Similar models:NNU 4180 K30M/W33 NNU 4180 M/W33 24180 ECAK30/W33 + AOH 24180 24180 ECA/W33 AOH 24180 24180 ECAK30/W33
BEARING POWER International Trading Co.,Ltd. specialize in NNU4180M/W33 products，there is large inventory of SKF NNU 4180 M/W33 Double row cylindrical roller bearings. We has been built up long-term cooperation with SKF company, could make a bulk order of the NNU 4180 M/W33 Which SKF NNU4180M/W33 is the most authentic, must choose BEARING POWER, what a whole variety, reasonable price, guaranteed quality, prompt delivery via Global express. Any inquiry, never hesitate to E-mail or call +86-022-58519721 to contact us.

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