Four-point Angular Contact Ball BearingsQJF238MB 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.


VAFEM (Shang Hai) Bearing Technology Co.,Ltd
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Four-point Angular Contact Ball Bearings

Dimension and Parameters

Bearing NO.
New :QJF238MB
Old :116238
Boundary dimensions(mm)
d :190
D :340
B :55
r 1.2min :4
Basic load ratings(kN)
Cr :488
Cor :780
Limiting speed(rpm)
Grease :1400
Oil :1900
Application point
a :186
Abutment and fillet dimensions(mm)
da min :208
Da max :322
ra max :3
Value
e :0.95
x :0.6
Y1 :0.66
Y2 :1.07
Y0 :0.58
Weight (kg)
Refer :24.5
Part Number:
d:
D:
B:
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