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 N2MA

QJ 307 N2MA

SKF Explorer

Dimensions

d		35	mm
D		80	mm
B		21	mm
d₁	≈	46.2	mm
D₁	≈	64.3	mm
a		40	mm
h		4	mm
b		5.5	mm
r₀		0.5	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 N2MA
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：2021-06-05
Application:ventilation equipment,sleep monitoring,thin metal materials,Body shaping,other CNC,municipal machinery,hydraulic cylinder,Cylinder Micro,food testing,fruit and vegetable processing,steam Hydraulic control element
Similar models:7307 BECBP 2307 EKTN9 52307 K 89307 TN H 307 E QJ 307 N2PHAS NJG 2307 VH SNP 3076x13.15/16 6307-2RS1 54307 + U 307
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