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：2021-06-04
Application:Seals,vacuum filter,pump industry,hydraulic pump,Die,rubber products machinery and equipment,special broaching machine,wall industry,tapping machine,steam Hydraulic control element,auto tools
Similar models:HM 231132/110 331169 E/C500 BD-C 2211 KV-H 311 E 33112 33111T88/DB BT4B 331161 BG/HA1 NJ 311 ECP 6311-2RSH 6311-2RS1 6311-2Z
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Model No.	Inner Diameter	Outer Diameter	Width	Type
14020	35	54	7	Seals
23168-2CS5K/VT143	340	580	190	Bearings, units and housings
BD-22212 EK-H 312	55	110	28	Bearings, units and housings
510/900 M	900	980	63	Bearings, units and housings
51160 M	300	380	62	Bearings, units and housings
FYR 4	101.6	-	-	Bearings, units and housings
NJ 2236 ECML	180	320	86	Bearings, units and housings
NNU 4956 BK/SPW33	280	380	100	Bearings, units and housings
OKC 600	600		-
SAF 23026 KAT x 4.3/8	114.3	-	-	Bearings, units and housings
SY 35 WDW	35	-	-	Bearings, units and housings
W 61704-2RS1	20	27	4	Bearings, units and housings

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