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 1272 N2MA

QJ 1272 N2MA

Dimensions

d		360	mm
D		650	mm
B		122	mm
d₁	≈	472	mm
D₁	≈	538	mm
a		505	mm
h		20.5	mm
b		25	mm
r₀		3	mm
r_1,2	min.	6	mm

Abutment dimensions

d_a	min.	388	mm
D_a	max.	622	mm
r_a	max.	5	mm

Calculation data

Basic dynamic load rating	C	1110	kN
Basic static load rating	C₀	2600	kN
Fatigue load limit	P_u	49	kN
Limiting speed		1500	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

190

Model Number: QJ 1272 N2MA
Inner Diameter：360mm Outer Diameter：650mm Width：122mm
Reference speed:1500 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:steam Hydraulic control element,Surveying Surveying Instruments,pressure control valve,industrial equipment,stacker lift platform,ventilation equipment,special broaching machine,instrumentation instrument,Optical Instruments,Flame Cutting,embroidery cloth
Similar models:QJ 1272 N2MA 81272 M 51272 F
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Model No.	Inner Diameter	Outer Diameter	Width	Type
12 VA V	10.5	-	-	Seals
220x260x16 HDS1 R	220	260	16	Seals
22240-2CS5/VT143	200	360	98	Bearings, units and housings
51268 F	340	460	96	Bearings, units and housings
6308	40	90	23	Bearings, units and housings
G 25x33x4	25	33	4	Seals
HE 3032 E	139.7	160	93	Bearings, units and housings
HE 309 E	38.1	45	39	Bearings, units and housings
NU 18/1000 MA/HB1	1000	1220	100	Bearings, units and housings
NU 28/600 ECMA	600	730	78	Bearings, units and housings
PCM 13514060 E	135	140	60	Bearings, units and housings
SSAFS 22215	75	-	-	Bearings, units and housings

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