Bearings, units and housings -- Roller bearings -- Cylindrical roller bearings -- Single row cylindrical roller bearings -- Cylindrical roller bearings, single row SKF NJ 2252 MA

NJ 2252 MA

Dimensions

d		260	mm
D		480	mm
B		130	mm
d₁	≈	340	mm
D₁	≈	397	mm
F		320	mm
r_1,2	min.	5	mm
s	max.	4.3	mm

Abutment dimensions

d_a	min.	280	mm
d_a	max.	309	mm
d_b	min.	344	mm
D_a	max.	460	mm
r_a	max.	4	mm

Calculation data

Basic dynamic load rating	C	1790	kN
Basic static load rating	C₀	3000	kN
Fatigue load limit	P_u	265	kN
Reference speed		1300	r/min
Limiting speed		2000	r/min
Calculation factor	k_r	0.3
Limiting value	e	0.3
Axial load factor	Y	0.4

Mass

Mass bearing

112

Model Number: NJ 2252 MA
Inner Diameter：260mm Outer Diameter：480mm Width：130mm
Reference speed:2000 r/min Limiting speed:1300 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：2025-12-09
Application:Spectrum Products,hot and cold box,surgical instruments,nail products,defogging and degreasing,car instrument,other lathe,reinforced machinery,other CNC,Laser Measurements,internal combustion engine
Similar models:SAF 22526 TLC SSAFS 22526 SAF 22522 x 4 T SAFS 22524 x 4.1/8 T SSAFS 22526 TLC SAF 22520 T SAF 22522 x 3.7/8 T SAF 22520 x 3.1/2 SAFS 22526 x 4.1/2 T SAFS 22520 x 3.3/8
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