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 MA

QJ 311 MA

SKF Explorer

Dimensions

d		55	mm
D		120	mm
B		29	mm
d₁	≈	70.5	mm
D₁	≈	97.8	mm
a		61	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 MA
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：2024-12-15
Application:wall industry,Hydraulic Hose,enzyme,electrostatic protection,medical equipment,Hydraulic Equipment,Material handling equipment,packaging machinery,packaging materials,raw material accessories,machining
Similar models:NUP 311 ECML 53311 + U 311 7311 BEGAP HM 231132/110 52311 331148 A 7311 BEGBY 7311 BEGAM 1311 EKTN9 6311/VA201
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Model No.	Inner Diameter	Outer Diameter	Width	Type
18x32x7 CRW1 V	18	32	7	Seals
19400	49.2252	79.38	12.7	Seals
30314T84/DB	70	150	-	Bearings, units and housings
312844	529.91	870	335	Bearings, units and housings
44x68x8 CRW1 V	44	68	8	Seals
470336	328	-	-	Seals
7011 CB/P4AL	55	90	18	Bearings, units and housings
NJ 203 ECP	17	40	12	Bearings, units and housings
NKI 20/16	20	32	16	Bearings, units and housings
NU 2356 MA	280	580	175	Bearings, units and housings
RPNA 28/44	28	44	20	Bearings, units and housings
S7020 CE/P4A	100	150	24	Bearings, units and housings

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