Bearings, units and housings -- Ball bearings -- Angular contact ball bearings -- Four-point contact ball bearings -- Angular contact ball bearings, four-point contact ball bearings SKF QJ 1256 N2MA

QJ 1256 N2MA

Dimensions

d		280	mm
D		500	mm
B		90	mm
d₁	≈	365	mm
D₁	≈	415	mm
a		390	mm
h		12.5	mm
b		15	mm
r₀		2.5	mm
r_1,2	min.	5	mm

Abutment dimensions

d_a	min.	302	mm
D_a	max.	478	mm
r_a	max.	4	mm

Calculation data

Basic dynamic load rating	C	728	kN
Basic static load rating	C₀	1460	kN
Fatigue load limit	P_u	31.5	kN
Limiting speed		2000	r/min
Calculation factor	e	1.34
Calculation factor	X	0.54
Calculation factor	Y₀	0.44
Calculation factor	Y₁	0.47
Calculation factor	Y₂	0.81

Mass

Mass bearing

Model Number: QJ 1256 N2MA
Inner Diameter：280mm Outer Diameter：500mm Width：90mm
Reference speed:2000 r/min Limiting speed:-
Type：Bearings, units and housings Ball bearings Angular contact ball bearings Four-point contact ball bearings
Details： Four-point contact ball bearings Angular contact ball bearings, four-point contact ball bearings
Update date：2025-12-09
Application:food packaging,air shower etc,mechanical and electrical,steam Hydraulic control element,X-ray Equipment,horizontal processing,special broaching machine,textile machinery,Workpiece,glass processing machine,hydraulic cylinder
Similar models:K 81256 M WS 81256 81256 M PCM 12012560 M 51256 M GS 81256 QJ 1256 N2MA PCM 12012560 E
BEARING POWER International Trading Co.,Ltd. specialize in QJ1256N2MA products，there is large inventory of SKF QJ 1256 N2MA Four-point contact ball bearings. We has been built up long-term cooperation with SKF company, could make a bulk order of the QJ 1256 N2MA Which SKF QJ1256N2MA is the most authentic, must choose BEARING POWER, what a whole variety, reasonable price, guaranteed quality, prompt delivery via Global express. Any inquiry, never hesitate to E-mail or call +86-022-58519721 to contact us.

Model No.	Inner Diameter	Outer Diameter	Width	Type
110x150x12 HMS5 V	110	150	12	Seals
16009/HR11QN	45	75	10	Bearings, units and housings
20x45x7 HMSA10 RG	20	45	7	Seals
2225561	565.15	615.95	22.225	Seals
22348 CCK/W33	240	500	155	Bearings, units and housings
54420 M + U 420	80	210	159.9	Bearings, units and housings
61919	95	130	18	Bearings, units and housings
K 81210 TN	50	78		Bearings, units and housings
S71924 CE/HCP4A	120	165	22	Bearings, units and housings
SNL 517 TURU	75	-	-	Bearings, units and housings
SSAFS 22538 x 6.13/16	173.0375	-	-	Bearings, units and housings
SYWK 1. YTA	25.4	-	-	Bearings, units and housings

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