Roulements à billes à contact oblique à quatre pointsQJF320MB Bearing

Four-point Angular Contact Ball Bearings are a type of ball bearings that are designed to handle high radial and axial loads in both directions. These bearings feature four contact points between the inner and outer rings, providing increased rigidity and greater load capacity compared to other types of bearings.

With their unique design, four-point angular contact ball bearings are ideal for applications where space is limited and high precision is required. This type of bearing is commonly used in applications such as robotics, machine tools, and heavy machinery.

One of the key benefits of utilizing four-point angular contact ball bearings is their ability to handle both radial and axial loads simultaneously. This makes them an ideal choice for applications where both types of loads are present. Additionally, their enhanced load-bearing capacity allows for higher performance and longer lifespan, which results in lower maintenance costs and downtime.


Four-point angular contact ball bearings QJF320MB are specially designed to support axial loads in both directions as well as radial loads. This type of bearing consists of an inner ring, an outer ring, and a four-point contact ball set that is arranged in a single row so as to form a contact angle of 35 degrees with the raceway of the inner ring and the outer ring.

These QJF320MB bearings are made of high-quality chrome steel and undergo a heat treatment process that enhances their durability and resistance to wear. They are also equipped with maximum capacity type bearings and brass cage, ensuring load capacity and long-term performance even in demanding industrial applications.

These bearings have a bore size of 100 mm, an outer diameter of 215 mm, and a width of 47 mm. They have a dynamic load rating of 489 kN and a static load rating of 625 kN, which means they can handle high radial and axial loads with ease. They also have a speed limit of 3,600 rpm, making them perfect for use in high-speed applications.

QJF320MB bearings are widely used in various industries, including machine tools, wind turbines, heavy-duty gearboxes, and industrial pumps. They are also suitable for use in construction machinery, agricultural equipment, and other demanding applications that require reliable and high-performing bearings.

If you are looking for a high-quality four-point angular contact ball bearing, QJF320MB is an excellent choice. With its superior load-carrying capacity, durability, and resistance to wear, you can be sure that it will provide long-lasting performance and value for your industrial applications.


VAFEM (Shang Hai) Bearing Technology Co.,Ltd
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Roulements à billes à contact oblique à quatre points

Dimension and Parameters

Bearing NO.
New :QJF320MB
Old :116320
Boundary dimensions(mm)
d :100
D :215
B :47
r 1.2min :3
Basic load ratings(kN)
Cr :307
Cor :340
Limiting speed(rpm)
Grease :2400
Oil :3400
Application point
a :110
Abutment and fillet dimensions(mm)
da min :114
Da max :201
ra max :2.5
Value
e :0.95
x :0.6
Y1 :0.66
Y2 :1.07
Y0 :0.58
Weight (kg)
Refer :9.31
Part Number:
d:
D:
B:
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