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 1056 N2MA/C4

QJ 1056 N2MA/C4

Dimensions

d		280	mm
D		420	mm
B		65	mm
d₁	≈	328	mm
D₁	≈	372	mm
a		245	mm
h		15	mm
b		12.55	mm
r₀		2.5	mm
r_1,2	min.	4	mm

Abutment dimensions

d_a	min.	298	mm
D_a	max.	402	mm
r_a	max.	3	mm

Calculation data

Basic dynamic load rating	C	585	kN
Basic static load rating	C₀	1140	kN
Fatigue load limit	P_u	25.5	kN
Limiting speed		2400	r/min
Calculation factor	A	3472.7
Calculation factor	e	0.95
Calculation factor	X	0.6
Calculation factor	Y₀	0.58
Calculation factor	Y₁	0.66
Calculation factor	Y₂	1.07

Mass

Mass bearing

33.5

Model Number: QJ 1056 N2MA/C4
Inner Diameter：280mm Outer Diameter：420mm Width：65mm
Reference speed:2400 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：2026-08-20
Application:aerial work equipment,Display Devices,hydraulic control element,lifting tackle,plastic molding,economic mold,boring bar boring bar,Insect Capture,Forging machine,Food testing,food / grain / food equipment
Similar models:NU 1056 ML QJ 1056 N2MA/C4 PWM 9010560 PCM 10010560 M NU 1056 M
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Model No. Inner Diameter Outer Diameter Width Type

23076 CC/W33
310-ZNR
471161
71911 CE/HCP4AL
SONL 218-518

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Hot number： 21759 29208 314-2Z 35086 400755 44x72x8 CRW1 R 7020 CB/HCP4A FSAF 1316 IR 20x25x20 NU 29/710 ECMA NCF 1872 V NUP 209 ECP S7014 CE/HCP4A S71919 CB/HCP4A SY 65 TR

Model No.	Inner Diameter	Outer Diameter	Width	Type
23076 CC/W33
310-ZNR
471161
71911 CE/HCP4AL
SONL 218-518