Bearings, units and housings -- Roller bearings -- Cylindrical roller bearings -- Single row cylindrical roller bearings -- Cylindrical roller bearings, single row SKF NJ 1884 MA

NJ 1884 MA

Dimensions

d		420	mm
D		520	mm
B		46	mm
d₁	≈	457	mm
D₁	≈	487	mm
F		447	mm
r_1,2	min.	2.1	mm
s	max.	4.7	mm

Abutment dimensions

d_a	min.	427	mm
d_a	max.	441	mm
d_b	min.	462	mm
D_a	max.	510	mm
r_a	max.	1.5	mm

Calculation data

Basic dynamic load rating	C	550	kN
Basic static load rating	C₀	1120	kN
Fatigue load limit	P_u	91.5	kN
Reference speed		1200	r/min
Limiting speed		1600	r/min
Calculation factor	k_r	0.05
Limiting value	e	0.2
Axial load factor	Y	0.6

Mass

Mass bearing

Model Number: NJ 1884 MA
Inner Diameter：420mm Outer Diameter：520mm Width：46mm
Reference speed:1600 r/min Limiting speed:1200 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：2026-07-29
Application:supporting facilities,medical equipment,horizontal processing,Water Monitoring,machine lathe,X-ray Equipment,test strip,Machine tool accessories,agriculture,Plastic molding,equipment
Similar models:NJ 1884 MA NU 1884 MA NU 1884 MP 431884 A 61884 MA NCF 1884 V
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Model No. Inner Diameter Outer Diameter Width Type

3312 A
7005 CE/HCP4AH1
7012 ACD/HCP4AL
71904 CE/HCP4AH
W 618/1

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Model No.	Inner Diameter	Outer Diameter	Width	Type
3312 A
7005 CE/HCP4AH1
7012 ACD/HCP4AL
71904 CE/HCP4AH
W 618/1