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 311 N2MA

QJ 311 N2MA

SKF Explorer

Dimensions

d		55	mm
D		120	mm
B		29	mm
d₁	≈	70.5	mm
D₁	≈	97.8	mm
a		61	mm
h		8.1	mm
b		6.5	mm
r₀		1	mm
r_1,2	min.	2	mm

Abutment dimensions

d_a	min.	66	mm
D_a	max.	109	mm
r_a	max.	2	mm

Calculation data

Basic dynamic load rating	C	137	kN
Basic static load rating	C₀	118	kN
Fatigue load limit	P_u	5	kN
Limiting speed		10000	r/min
Calculation factor	A	40.42
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

1.75

Model Number: QJ 311 N2MA
Inner Diameter：55mm Outer Diameter：120mm Width：29mm
Reference speed:10000 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：2021-06-11
Application:water protection,marine analysis and testing equipment,spectrometer,printing equipment,Cylinder Pneumatic Treatment Element,expectoration machine,Industrial Adhesive,power source,metal mold,laser devices,knitted fabrics
Similar models:PCMF 202311.5 E 33118T104/DB 7311 BECBM 3311 A-2Z AHX 311 BD-21311 EK-H 311 7311 BECCM W 6008-2RS1/VP311 YSA 211-2FK + HE 2311 B H 311
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Model No.	Inner Diameter	Outer Diameter	Width	Type
1350542	342.9	393.7	19.05	Seals
21167	53.975	76.2	7.95	Seals
241/710 ECA/W33	710	1150	438	Bearings, units and housings
7307 BECBM	35	80	21	Bearings, units and housings
634-2RZ	4	16	5	Bearings, units and housings
BS2-2222-2RS5K/VT143	110	200	63	Bearings, units and housings
FYTBK 506	-	-	-	Bearings, units and housings
HA 318 E	80.9625	90	65	Bearings, units and housings
NCF 29/530 V	530	710	106	Bearings, units and housings
NNCF 5060 CV	300	460	218	Bearings, units and housings
NU 310 ECML	50	110	27	Bearings, units and housings
P 1.1/4 TR	31.75	-	-	Bearings, units and housings

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