Bearings, units and housings -- Roller bearings -- Cylindrical roller bearings -- Double row cylindrical roller bearings -- Cylindrical roller bearings, double row SKF NNU 4184/316275

NNU 4184/316275

Design

Design variant/feature

NNU/W33

Dimensions

d		420	mm
D		700	mm
B		280	mm
D₁	≈	609	mm
F		497	mm
b		16.7	mm
K		9	mm
r_1,2	min.	6	mm
r_3,4	min.	6	mm
s	max.	12.2	mm

Abutment dimensions

d_a	min.	446	mm
d_a	max.	480	mm
d_b	min.	496	mm
D_a	max.	674	mm
r_a	max.	5	mm
r_b	max.	5	mm

Calculation data

Basic dynamic load rating	C	5500	kN
Basic static load rating	C₀	11400	kN
Fatigue load limit	P_u	900	kN
Reference speed		750	r/min
Limiting speed		950	r/min
Calculation factor	k_r	0.35

Mass

Mass bearing

440

Model Number: NNU 4184/316275
Inner Diameter：420mm Outer Diameter：700mm Width：280mm
Reference speed:950 r/min Limiting speed:750 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：2026-04-18
Application:electrostatic protection,hinge industry,agrochemical,bio-chemical,Special Equipment,mechanical and electrical,pump industry,joint protection,oral medical device,Spectrum Products,marine analysis
Similar models:AOH 24184 BD-24184 ECAK30/W33-AOH 24184 NNU 4184/316275 24184 ECAK30/W33 24184 ECA/W33
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