Bearings, units and housings -- Roller bearings -- Cylindrical roller bearings -- Single row cylindrical roller bearings -- Cylindrical roller bearings, single row SKF NJ 340 ECML

NJ 340 ECML

Dimensions

d		200	mm
D		420	mm
B		80	mm
d₁	≈	278	mm
D₁	≈	352.4	mm
F		258	mm
r_1,2	min.	5	mm
r_3,4	min.	5	mm
s	max.	6	mm

Abutment dimensions

d_a	min.	220	mm
d_a	max.	253	mm
d_b	min.	282	mm
D_a	max.	400	mm
r_a	max.	4	mm

Calculation data

Basic dynamic load rating	C	1230	kN
Basic static load rating	C₀	1630	kN
Fatigue load limit	P_u	150	kN
Reference speed		1400	r/min
Limiting speed		2800	r/min
Calculation factor	k_r	0.23
Limiting value	e	0.2
Axial load factor	Y	0.6

Mass

Mass bearing

56.3

Model Number: NJ 340 ECML
Inner Diameter：200mm Outer Diameter：420mm Width：80mm
Reference speed:2800 r/min Limiting speed:1400 r/min
Type：Bearings, units and housings Roller bearings Cylindrical roller bearings Single row cylindrical roller bearings
Details： Single row cylindrical roller bearings Cylindrical roller bearings, single row
Update date：2026-04-16
Application:Tool,education model Instruments,gear grinding machine,pump industry,sleep monitoring,laser devices,Handling machinery and various industrial machinery,molding machine,SPA equipment,wheel lathe,mathematical instruments
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