Bearings, units and housings -- Roller bearings -- Cylindrical roller bearings -- Single row cylindrical roller bearings -- Cylindrical roller bearings, single row SKF NJ 248 MA

NJ 248 MA

Dimensions

d		240	mm
D		440	mm
B		72	mm
d₁	≈	313	mm
D₁	≈	365	mm
F		295	mm
r_1,2	min.	4	mm
s	max.	3.4	mm

Abutment dimensions

d_a	min.	257	mm
d_a	max.	288	mm
d_b	min.	317	mm
D_a	max.	423	mm
r_a	max.	3	mm

Calculation data

Basic dynamic load rating	C	952	kN
Basic static load rating	C₀	1370	kN
Fatigue load limit	P_u	129	kN
Reference speed		1600	r/min
Limiting speed		2200	r/min
Calculation factor	k_r	0.15
Limiting value	e	0.2
Axial load factor	Y	0.6

Mass

Mass bearing

Model Number: NJ 248 MA
Inner Diameter：240mm Outer Diameter：440mm Width：72mm
Reference speed:2200 r/min Limiting speed:1600 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:Film machine,non-ferrous metal alloy,hydraulic actuator,machine lathe,sanitation facilities,generator,sleep monitoring,ship special,hydraulic control element,hydraulic cylinder buffer,Insect Capture
Similar models:248/670 CAMA/W20 NJ 248 MA NUP 248 MA 248/800 CAK30MA/W20 23248 CCK/W33 6248 M 32248/DF 22248 CCK/W33 248/530 CAMA/W20 32244T248/DB
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