Bearings, units and housings -- Roller bearings -- Cylindrical roller bearings -- Double row cylindrical roller bearings -- Cylindrical roller bearings, double row SKF NNU 4876/HB1W33

NNU 4876/HB1W33

Design

Design variant/feature

NNU/W33

Dimensions

d		380	mm
D		480	mm
B		100	mm
D₁	≈	445	mm
F		411	mm
b		16.7	mm
K		9	mm
r_1,2	min.	2.1	mm
r_3,4	min.	1.5	mm
s	max.	3.5	mm

Abutment dimensions

d_a	min.	388	mm
d_a	max.	406	mm
d_b	min.	416	mm
D_a	max.	469	mm
r_a	max.	1.5	mm
r_b	max.	1.5	mm

Calculation data

Basic dynamic load rating	C	952	kN
Basic static load rating	C₀	2550	kN
Fatigue load limit	P_u	212	kN
Reference speed		1200	r/min
Limiting speed		1300	r/min
Calculation factor	k_r	0.14

Mass

Mass bearing

Model Number: NNU 4876/HB1W33
Inner Diameter：380mm Outer Diameter：480mm Width：100mm
Reference speed:1300 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：2025-12-09
Application:machine lathe,insect experimental analysis instrument,Gas turbine,centrifugal pump,Spectral Products,meat products machine,Special Equipment,wheel lathe,Traffic Fire Protection Equipment Security equipment,engineering machinery,agrochemical
Similar models:RNA 4876 NNC 4876 CV NNCL 4876 CV NNU 4876 K/W33 NA 4876 NNU 4876/HB1W33
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