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 1984 MA

QJ 1984 MA

Dimensions

d		420	mm
D		560	mm
B		65	mm
d₁	≈	468	mm
D₁	≈	511	mm
a		343	mm
r_1,2	min.	4	mm

Abutment dimensions

d_a	min.	438	mm
D_a	max.	542	mm
r_a	max.	3	mm

Calculation data

Basic dynamic load rating	C	637	kN
Basic static load rating	C₀	1600	kN
Fatigue load limit	P_u	30.5	kN
Limiting speed		1600	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 1984 MA
Inner Diameter：420mm Outer Diameter：560mm Width：65mm
Reference speed:1600 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：2025-12-09
Application:electric hydraulic lifting platform,electromagnet,other accessories,surgical instruments,insect experimental analysis instrument,knitted fabrics,Industrial equipment,electromagnetic clutch,decoration machinery,Infrared Technology,Automobile
Similar models:71984 AGAM QJ 1984 MA 71984 AM 71984 BM 61984 MA
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Model No.	Inner Diameter	Outer Diameter	Width	Type
13435	34.0106	53.0098	8.001	Seals
25745	65.1002	98.37	11.13	Seals
50x70x8 CRW1 V	50	70	8	Seals
6006-RZ	30	55	13	Bearings, units and housings
60x75x8 HMS5 RG	60	75	8	Seals
71913 ACB/P4A	65	90	13	Bearings, units and housings
GB 4960	-	-	135	Bearings, units and housings
S7028 CD/HCP4A	140	210	33	Bearings, units and housings
SAF 1218 TLC	90	-	-	Bearings, units and housings
SAF 23034 KA x 5.13/16	147.6375	-	-	Bearings, units and housings
SAW 23520 x 3.1/2 TLC	88.9	-	-	Bearings, units and housings
SSAFS 23048 KATLC x 8.15/16	227.0125	-	-	Bearings, units and housings

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