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

NNU 4884/W33

Design

Design variant/feature

NNU/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
r_3,4	min.	1.5	mm
s	max.	3.5	mm

Abutment dimensions

d_a	min.	428	mm
d_a	max.	446	mm
d_b	min.	456	mm
D_a	max.	509	mm
r_a	max.	1.5	mm
r_b	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/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：2021-06-03
Application:hook,oral medical device,heating fans,car shock absorber,Laser Measurements,roller lathe,Gas turbine,mathematical instruments,electronic materials,Rolling mill gear box,tobacco machinery
Similar models:NNU 4884 K/W33 NNU 4884/W33
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Model No.	Inner Diameter	Outer Diameter	Width	Type
1200 VL R	1090	-	-	Seals
1375250	349.25	387.35	19.05	Seals
21x35x7 CRW1 V	21	35	7	Seals
23640	60.325	76.2	6.35	Seals
556379	965.2	-	-	Seals
71916 CD/HCP4A	80	110	16	Bearings, units and housings
GE 90 ESX-2LS	90	130	50	Bearings, units and housings
PBMF 160180100 M1G1	160	180	100	Bearings, units and housings
RLS 5	15.875	39.688	11.112	Bearings, units and housings
S71919 CE/HCP4A	95	130	18	Bearings, units and housings
SAF 23038 KATLC x 6.13/16	174.625	-	-	Bearings, units and housings
SAL 30 ESX-2LS	30	-	22	Bearings, units and housings

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