Bearings, units and housings -- Roller bearings -- Cylindrical roller bearings -- Single row cylindrical roller bearings -- Cylindrical roller bearings, single row SKF NJ 256 MA

NJ 256 MA

Dimensions

d		280	mm
D		500	mm
B		80	mm
d₁	≈	360	mm
D₁	≈	417	mm
F		340	mm
r_1,2	min.	5	mm
s	max.	3.8	mm

Abutment dimensions

d_a	min.	300	mm
d_a	max.	333	mm
d_b	min.	364	mm
D_a	max.	480	mm
r_a	max.	4	mm

Calculation data

Basic dynamic load rating	C	1140	kN
Basic static load rating	C₀	1800	kN
Fatigue load limit	P_u	156	kN
Reference speed		1400	r/min
Limiting speed		1900	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 256 MA
Inner Diameter：280mm Outer Diameter：500mm Width：80mm
Reference speed:1900 r/min Limiting speed:1400 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:Machine Tool Accessories,journal lathe,Other Machine Tools,building decoration raw materials and accessories,nail products,bio-chemical,drawing die,Leather Products,trolley,Microwave Equipment,screen filter
Similar models:SNL 3256 G NU 256 MA NJ 256 MA 32256 J2 6256 M SNL 3256 AOH 2256 G 22256 CC/W33 23256 CC/W33 23256 CCK/W33
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11269	28.575	49.23	8.712	Seals
24148 CC/W33	240	400	160	Bearings, units and housings
32217T87/DB	85	150	-	Bearings, units and housings
43345	110.0074	142.9	12	Seals
53314 + U 314	70	125	44.2	Bearings, units and housings
700 VL V	630	-	-	Seals
71800 CD/HCP4	10	19	5	Bearings, units and housings
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91705	-	-	50	Seals
BT4-0013 G/HA1C400VA903	206.375	282.575	-	Bearings, units and housings
NJ 315 ECML	75	160	37	Bearings, units and housings
W 628/8 R-2Z	8	16	5	Bearings, units and housings

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