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 307 MA

QJ 307 MA

SKF Explorer

Dimensions

d		35	mm
D		80	mm
B		21	mm
d₁	≈	46.2	mm
D₁	≈	64.3	mm
a		40	mm
r_1,2	min.	1.5	mm

Abutment dimensions

d_a	min.	44	mm
D_a	max.	71	mm
r_a	max.	1.5	mm

Calculation data

Basic dynamic load rating	C	64	kN
Basic static load rating	C₀	51	kN
Fatigue load limit	P_u	2.16	kN
Limiting speed		15000	r/min
Calculation factor	A	7.437
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

0.57

Model Number: QJ 307 MA
Inner Diameter：35mm Outer Diameter：80mm Width：21mm
Reference speed:15000 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:woodworking machinery,wall materials,light therapy instrument,gear type,Special Equipment,Other Machine Tools,van,thin metal materials,office outdoor camping equipment,Medium and large motor,reinforced machinery
Similar models:H 307 E OH 3072 H BD-23076 CCK/W33-OH 3076 H RNU 307 ECP 23072 CC/W33 2307 E-2RS1KTN9 3307 DJ1 BT4B 330742 A/HA4 307 W 6307
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Hot number： 26346 3308 DTN9 34888 49929 6001/HR22T2 62205-2RS1 7001 ACD/HCP4A 7218 BECBJ 87054 N 317 ECP OKBS 66 PPM 151715 SAF 23030 KATLC x 5.3/16 SYR 1 7/16 N-118 SYE 2 3/4 N