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 252 N2MA

QJ 252 N2MA

Dimensions

d		260	mm
D		480	mm
B		80	mm
d₁	≈	342	mm
D₁	≈	397	mm
a		259	mm
h		12.5	mm
b		15	mm
r₀		2.5	mm
r_1,2	min.	5	mm

Abutment dimensions

d_a	min.	282	mm
D_a	max.	458	mm
r_a	max.	4	mm

Calculation data

Basic dynamic load rating	C	728	kN
Basic static load rating	C₀	1430	kN
Fatigue load limit	P_u	32	kN
Limiting speed		2200	r/min
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

Model Number: QJ 252 N2MA
Inner Diameter：260mm Outer Diameter：480mm Width：80mm
Reference speed:2200 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：2024-12-15
Application:wall industry,extruder,Gripper Swing,Roller mill,Gas turbine,Spectrum Products,suction nozzle,defogging and degreasing,pneumatic Pump,Blood coagulation reagent,garden machinery
Similar models:SSAFS 22524 x 4.1/4 SAFS 22520 TLC SSAFS 22526 x 4.3/8 TLC 22252 CC/W33 HK 2526 SAFS 22524 x 4.1/8 T SAFS 22524 TLC SAF 22526 x 4.5/16 T SAFS 22522 x 3.11/16 TLC SAFS 22520 x 3.1/2 TLC
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Model No.	Inner Diameter	Outer Diameter	Width	Type
16x35x7 HMS5 RG	16	35	7	Seals
292/630 EM	630	850	132	Bearings, units and housings
5085	12.7	28.55	6.35	Seals
71904 CE/P4A	20	37	9	Bearings, units and housings
FSYE 2 1/2	63.5	-	-	Bearings, units and housings
HME 30/1000	100	-	1000	Bearings, units and housings
HME 31/600	85	-	600	Bearings, units and housings
NKIB 5901	12	24	16	Bearings, units and housings
NN 3009 KTN/SP	45	75	23	Bearings, units and housings
S71919 ACB/HCP4A	95	130	18	Bearings, units and housings
SYK 35 TF	35	-	-	Bearings, units and housings
T7FC 080T98/DTC20	80	160	98	Bearings, units and housings

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Hot number： 12565 35x62x8 HMS5 V 38730 42x55x7 HMS5 V 534952 71872 ACM BA1B 311745 FY 1.1/2 LDW HE 2318 E/L73 NCF 3014 CV NU 10/530 MA NU 2/600 ECMA/HB1 PBM 051010 M1 PCM 222520 E SAF 1511-210