Bearings, units and housings -- Roller bearings -- Cylindrical roller bearings -- Double row cylindrical roller bearings -- Cylindrical roller bearings, double row SKF NNU 4156 K30M/W33

NNU 4156 K30M/W33

Design

Design variant/feature

NNU K30/W33

Dimensions

d		280	mm
D		460	mm
B		180	mm
D₁	≈	407	mm
F		326	mm
b		13.9	mm
K		7.5	mm
r_1,2	min.	5	mm
s	max.	6.3	mm

Tapered bore, taper 1:30

Abutment dimensions

d_a	min.	300	mm
d_a	max.	318	mm
D_a	max.	440	mm
r_a	max.	4	mm

Calculation data

Basic dynamic load rating	C	2550	kN
Basic static load rating	C₀	4750	kN
Fatigue load limit	P_u	440	kN
Reference speed		1200	r/min
Limiting speed		1500	r/min
Calculation factor	k_r	0.34

Mass

Mass bearing

120

Model Number: NNU 4156 K30M/W33
Inner Diameter：280mm Outer Diameter：460mm Width：180mm
Reference speed:1500 r/min Limiting speed:1200 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:lifting chain,axle lathe,Processing machinery,Warehouse Shelf Equipment,Chromatography Products,non-ferrous metal alloy,security equipment,storage and transportation equipment,surgical instruments,Equipment,food safety
Similar models:JH 415647/610 24156 CCK30/W33 24156-2CS5/VT143 NNU 4156 K30M/W33 AOH 24156 24156-2CS5K30/VT143 NNU 4156 M/W33 24156 CC/W33
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