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 306 N2MA

QJ 306 N2MA

SKF Explorer

Dimensions

d		30	mm
D		72	mm
B		19	mm
d₁	≈	40.5	mm
D₁	≈	58.2	mm
a		36	mm
h		3.5	mm
b		4.5	mm
r₀		0.5	mm
r_1,2	min.	1.1	mm

Abutment dimensions

d_a	min.	37	mm
D_a	max.	65	mm
r_a	max.	1	mm

Calculation data

Basic dynamic load rating	C	53	kN
Basic static load rating	C₀	41.5	kN
Fatigue load limit	P_u	1.76	kN
Limiting speed		17000	r/min
Calculation factor	A	5.084
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

0.42

Model Number: QJ 306 N2MA
Inner Diameter：30mm Outer Diameter：72mm Width：19mm
Reference speed:17000 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：2024-12-14
Application:Equipment,industrial fans,surgical instruments,garden machinery,Forging machine,Display Devices,orthodontic material,stamping die and its equipment,Security Equipment,Warehouse Shelf Equipment,chemical raw materials and reagents
Similar models:6306-ZNR MS 3068-64 BD-23060 CCK/W33-AOH 3060 306674 BD-23060 CCK/W33-OH 3060 H SNL 3068 G NCF 3064 CV C 3064 KM HK 0306 TN SNP 3068x12.7/16
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W 638/1.5 R-2Z	1.5	4	2	Bearings, units and housings
W 61802-2Z	15	24	5	Bearings, units and housings

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