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 305 MA

QJ 305 MA

SKF Explorer

Dimensions

d		25	mm
D		62	mm
B		17	mm
d₁	≈	34	mm
D₁	≈	49	mm
a		30	mm
r_1,2	min.	1.1	mm

Abutment dimensions

d_a	min.	32	mm
D_a	max.	55	mm
r_a	max.	1	mm

Calculation data

Basic dynamic load rating	C	42.5	kN
Basic static load rating	C₀	30	kN
Fatigue load limit	P_u	1.27	kN
Limiting speed		20000	r/min
Calculation factor	A	2.776
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

0.29

Model Number: QJ 305 MA
Inner Diameter：25mm Outer Diameter：62mm Width：17mm
Reference speed:20000 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:insect experimental analysis instrument,vacuum suction cup,chromatography,engineering machinery,metering pump,Vertical machining,orthodontic material,Display Devices,bag machine,Seals,electromagnetic clutch
Similar models:SSAFS 23056 KAT x 9.15/16 SAFS 23056 KA x 10.1/2 1305 EKTN9 + H 305 HJ 305 EC AOH 3056 6305 ETN9 GB 3052 305804 C-2Z SAF 23056 KAT x 10 51305 V/HR11T1
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Model No.	Inner Diameter	Outer Diameter	Width	Type
34x48x8 CRW1 V	34	48	8	Seals
406000	540	-	-	Seals
425 VL R	382	-	-	Seals
52314	55	125	72	Bearings, units and housings
7206 BEP	30	62	16	Bearings, units and housings
FYTB 1.1/4 WDW	31.75	-	-	Bearings, units and housings
H 2324	110	120	112	Bearings, units and housings
HK 4016	40	47	16	Bearings, units and housings
S7010 FW/HC	50	80	16	Bearings, units and housings
SAW 23524 x 4.1/16 TLC	103.1875	-	-	Bearings, units and housings
SNL 30/500 TURA	470	-	-	Bearings, units and housings
SNW 30x5.3/8	136.525	195.4022	107.4674	Bearings, units and housings

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