Bearings, units and housings -- Roller bearings -- Cylindrical roller bearings -- Double row cylindrical roller bearings -- Cylindrical roller bearings, double row SKF NNU 4884 K/W33

NNU 4884 K/W33

Design

Design variant/feature

NNU K/W33

Dimensions

d		420	mm
D		520	mm
B		100	mm
D₁	≈	485	mm
F		451	mm
b		16.7	mm
K		9	mm
r_1,2	min.	2.1	mm
s	max.	3.5	mm

Tapered bore, taper 1:12

Abutment dimensions

d_a	min.	428	mm
d_a	max.	446	mm
D_a	max.	509	mm
r_a	max.	1.5	mm

Calculation data

Basic dynamic load rating	C	990	kN
Basic static load rating	C₀	2850	kN
Fatigue load limit	P_u	196	kN
Reference speed		1100	r/min
Limiting speed		1200	r/min
Calculation factor	k_r	0.13

Mass

Mass bearing

Model Number: NNU 4884 K/W33
Inner Diameter：420mm Outer Diameter：520mm Width：100mm
Reference speed:1200 r/min Limiting speed:1100 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：2026-06-24
Application:vertical processing,air purification,Material handling equipment,Vertical machining,training beds etc,Machine tool accessories,circulating pump,chamfering machine etc,Machine tools,lifting tackle,medical Equipment
Similar models:NNU 4884 K/W33 NNU 4884/W33
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Model No. Inner Diameter Outer Diameter Width Type

19240
50x68x7 HMSA10 V
PCZ 6476 M
SAF 22530
SAF 23036 KATLC x 6.1/2

Purchase the SKF NNU 4884 K/W33 Cylindrical roller bearings, double row Please fill in the following

Hot number： 11050 BD-23232 CCK/W33-H 2332 319434 DA-2LS 3212 A-2RS1 6580/6535 6763 HA 3026 E NK 95/36 PBM 7590140 M1G1 PRMF 303430 PSM 506050 A51 QJ 228 N2MA S71913 ACB/P4A SAF 22626 T SAF 23034 KATLC x 5.15/16

Model No.	Inner Diameter	Outer Diameter	Width	Type
19240
50x68x7 HMSA10 V
PCZ 6476 M
SAF 22530
SAF 23036 KATLC x 6.1/2