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 1280 N2MA

QJ 1280 N2MA

Dimensions

d		400	mm
D		720	mm
B		140	mm
d₁	≈	522	mm
D₁	≈	598	mm
a		560	mm
h		20.5	mm
b		25	mm
r₀		3	mm
r_1,2	min.	6	mm

Abutment dimensions

d_a	min.	428	mm
D_a	max.	692	mm
r_a	max.	5	mm

Calculation data

Basic dynamic load rating	C	1300	kN
Basic static load rating	C₀	3250	kN
Fatigue load limit	P_u	58.5	kN
Limiting speed		1300	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

265

Model Number: QJ 1280 N2MA
Inner Diameter：400mm Outer Diameter：720mm Width：140mm
Reference speed:1300 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：2024-12-13
Application:car,Insect Count,natural instruments,dye pigments,aerial work platform,linear drive,hardware,hanging clamp,plastic rolling,packing equipment,vertical pull
Similar models:51280 F 81280 M QJ 1280 N2MA
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Model No.	Inner Diameter	Outer Diameter	Width	Type
135x170x12 HMS5 V	135	170	12	Seals
12660	31.75	68.91	11.91	Seals
15506	39.7002	52.37	6.35	Seals
319320	480	680	-	Bearings, units and housings
42x72x10 HMSA10 RG	42	72	10	Seals
48046	122.1994	140.7922	11.9888	Seals
619/800 M	800	1060	115	Bearings, units and housings
9688	24.6126	52.02	9.53	Seals
HJ 315 EC	75	104.15	16.5	Bearings, units and housings
IR 85x95x26 EGS	85	95	26	Seals
PCM 182015 E	18	20	15	Bearings, units and housings
SAF 22522 x 3.11/16 T	93.6625	-	-	Bearings, units and housings

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Hot number： 29413 E 305704 C-2RS1 3141 6308-2RSH 9822 FYR 1 15/16-18 GB 4934 K 89424 M NNTR 90x220x100.2ZL NUH 2348 ECMH NX 7 ZTN PCMS 2005002.5 E QJ 1060 N2MA S71909 ACB/HCP4A YET 209-110