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：2025-12-09
Application:equipment,turret industry,Cylinder Special,sewage pump,Machine Tool Accessories,molding machine,Flame Cutting,Display Devices,air purification,Cylinder Standard,Spectrum Products
Similar models:NNU 4884/W33 NNU 4884 K/W33
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11801	30.1752	50.8	6.35	Seals
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20x31x7 CRW1 R	20	31	7	Seals
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6015 NR	75	115	20	Bearings, units and housings
790x850x25 HDS2 V	790	850	25	Seals
82x120x12 HMS5 RG	82	120	12	Seals
891/1000 M	1000	1180	109	Bearings, units and housings
90887	-	-	30	Seals
BT4B 328826 G/HA1	420	560	-	Bearings, units and housings
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SAW 23538	176.2125	-	-	Bearings, units and housings

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