Bearings, units and housings -- Roller bearings -- Cylindrical roller bearings -- Double row cylindrical roller bearings -- Cylindrical roller bearings, double row SKF 314987 B

314987 B

Design

Design variant/feature

NNU.4/C4W33WI

Dimensions

d		400	mm
D		560	mm
B		205	mm
D₁	≈	509	mm
F		445	mm
b		16.7	mm
K		9	mm
r_1,2	min.	2	mm
r_3,4	min.	13.5	mm
a		20	°
s	max.	2.7	mm

Abutment dimensions

d_a	min.	420	mm
d_a	max.	438	mm
d_b	min.	450	mm
D_a	max.	550	mm
r_a	max.	1.5	mm
r_b	max.	2	mm

Calculation data

Basic dynamic load rating	C	3140	kN
Basic static load rating	C₀	7800	kN
Fatigue load limit	P_u	655	kN
Reference speed		800	r/min
Limiting speed		1200	r/min
Calculation factor	k_r	0.33

Mass

Mass bearing

160

Model Number: 314987 B
Inner Diameter：400mm Outer Diameter：560mm Width：205mm
Reference speed:1200 r/min Limiting speed:800 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：2026-04-16
Application:Surveying Surveying Instruments,Chromatography Products,E Beauty,electric pump,raw material accessories,drawing die,packaging machinery,industrial supplies,beverage production,trolley,surgical instruments
Similar models:314987 B 314987 C
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