Bearings, units and housings -- Roller bearings -- Cylindrical roller bearings -- Single row cylindrical roller bearings -- Cylindrical roller bearings, single row SKF NJ 3884 MA

NJ 3884 MA

Dimensions

d		420	mm
D		520	mm
B		75	mm
d₁	≈	457	mm
D₁	≈	489	mm
F		447	mm
r_1,2	min.	2.1	mm
s	max.	2.8	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	935	kN
Basic static load rating	C₀	2240	kN
Fatigue load limit	P_u	193	kN
Reference speed		1100	r/min
Limiting speed		1600	r/min
Calculation factor	k_r	0.1
Limiting value	e	0.3
Axial load factor	Y	0.4

Mass

Mass bearing

Model Number: NJ 3884 MA
Inner Diameter：420mm Outer Diameter：520mm Width：75mm
Reference speed:1600 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：2026-04-19
Application:wall industry,Switch,sleep monitoring,coal mill,hydraulic connector,Anti-defibrillation pacing,spectrometer,Display Devices,Generator,Industrial equipment,ventilation heating equipment
Similar models:NJ 3884 MA
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