Bearings, units and housings -- Roller bearings -- Cylindrical roller bearings -- Single row cylindrical roller bearings -- Cylindrical roller bearings, single row SKF NJ 2988 ECM/HB1

NJ 2988 ECM/HB1

Dimensions

d		440	mm
D		600	mm
B		95	mm
d₁	≈	495	mm
D₁	≈	550	mm
F		481.5	mm
r_1,2	min.	4	mm
s	max.	3.5	mm

Abutment dimensions

d_a	min.	455	mm
d_a	max.	477	mm
d_b	min.	500	mm
D_a	max.	585	mm
r_a	max.	3	mm

Calculation data

Basic dynamic load rating	C	1720	kN
Basic static load rating	C₀	3600	kN
Fatigue load limit	P_u	310	kN
Reference speed		1100	r/min
Limiting speed		1400	r/min
Calculation factor	k_r	0.07
Limiting value	e	0.3
Axial load factor	Y	0.4

Mass

Mass bearing

Model Number: NJ 2988 ECM/HB1
Inner Diameter：440mm Outer Diameter：600mm Width：95mm
Reference speed:1400 r/min Limiting speed:1100 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：2026-04-18
Application:Digital Generator,power tools,glass,Gas turbine,key lock,vertical processing,E Beauty,noise inspection,expectoration machine,Liposuction device,hinge industry
Similar models:NJ 2988 ECM/HB1 NJ 2988 ECML NCF 2988 V
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