Bearings, units and housings -- Roller bearings -- Cylindrical roller bearings -- Double row cylindrical roller bearings -- Cylindrical roller bearings, double row SKF 314391

314391

Design

Design variant/feature

NNU.3/C4W33WI

Dimensions

d		420	mm
D		620	mm
B		200	mm
D₁	≈	550	mm
F		473	mm
b		16.7	mm
K		6	mm
r_1,2	min.	4	mm
r_3,4	min.	4	mm
s	max.	4.4	mm

Abutment dimensions

d_a	min.	436	mm
d_a	max.	468	mm
d_b	min.	478	mm
D_a	max.	604	mm
r_a	max.	3	mm
r_b	max.	3	mm

Calculation data

Basic dynamic load rating	C	3470	kN
Basic static load rating	C₀	7800	kN
Fatigue load limit	P_u	655	kN
Reference speed		700	r/min
Limiting speed		1100	r/min
Calculation factor	k_r	0.29

Mass

Mass bearing

220

Model Number: 314391
Inner Diameter：420mm Outer Diameter：620mm Width：200mm
Reference speed:1100 r/min Limiting speed:700 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：2026-07-19
Application:Wire grinder,bio-chemical,tobacco machinery,meat products machine,walking Food processing machinery and equipment,metering pump,,insect experimental analysis instrument,Processing machinery,tube,medical equipment
Similar models:314391
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Model No. Inner Diameter Outer Diameter Width Type

305272 DA
71909 ACB/P4AL
BTW 80 CTN9/SP
K 75x83x40 ZW
NJ 303 ECP

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Model No.	Inner Diameter	Outer Diameter	Width	Type
305272 DA
71909 ACB/P4AL
BTW 80 CTN9/SP
K 75x83x40 ZW
NJ 303 ECP