Double Row Cylindrical Roller BearingsNN3138 Bearing

VAFEM is a diversified company that provides a wide range of high-quality products including Double Row Cylindrical Roller Bearings. These bearings are designed to support heavy radial loads while maintaining their structural integrity. 

One of the key advantages of VAFEM's Double Row Cylindrical Roller Bearings is their ability to handle high speeds and maintain stability under extreme conditions. This makes them ideal for use in a variety of demanding applications such as construction equipment, wind turbines, and mining machinery. 

VAFEM's commitment to quality is evident in the rigorous testing process that each Double Row Cylindrical Roller Bearing goes through before it is released for use. This ensures that each bearing is reliable, durable, and able to provide consistent performance over its lifespan. 

In addition to their superior performance, VAFEM's Double Row Cylindrical Roller Bearings are also cost-effective and easy to maintain. This makes them an attractive option for both small and large businesses alike. 

Overall, VAFEM's Double Row Cylindrical Roller Bearings are a top-quality product that can provide reliable performance for a wide range of applications. With their commitment to quality and customer satisfaction, VAFEM is a trusted name in the bearing industry.


Double Row Cylindrical Roller Bearings NN3138 are high-quality and reliable bearings designed for heavy-duty applications. They feature two rows of cylindrical rollers arranged in a parallel manner, making them capable of handling both radial and axial loads with ease.

NN3138 bearings are engineered with precision, ensuring exceptional performance under the harshest operating conditions. They are constructed with high-quality materials and advanced technologies, delivering superior performance and longevity. These bearings are perfect for use in heavy machinery, including construction equipment, power generation units, and mining machinery.

One of the key features of NN3138 bearings is their ability to handle heavy radial loads. The double-row design with cylindrical rollers ensures that the load is evenly distributed, reducing stress on any particular point and enhancing the overall strength of the bearing. Moreover, the bearings are capable of handling moderate axial loads, making them suitable for use in applications that involve both radial and axial forces.

NN3138 bearings are also designed for exceptional speed and accuracy. The high precision of the rollers and cage allow for precise and smooth movement, reducing friction and wear. Furthermore, the bearing's design offers low heat generation, minimizing the risk of failure due to thermal stress.

In conclusion, Double Row Cylindrical Roller Bearings NN3138 are highly effective for heavy-duty applications where radial and axial loads need to be reliably managed. They boast excellent load capacity, smooth operation, precision, and longevity, making them an ideal solution for heavy machinery operations. Trust NN3138 bearings for superior performance and reliability.


VAFEM (Shang Hai) Bearing Technology Co.,Ltd
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Double Row Cylindrical Roller Bearings

Dimension and Parameters

Bearing NO.
Cylindrical bore :NN3138
Tapered bore :-
Boundary dimensions(mm)
d :180
D :320
B/C :104
r 1.2min :3
r3.4min :3
Basic load ratings(kN)
Cr :840
Cor :1420
Limiting speed(rpm)
Speed Ratings :1800
Abutment and fillet dimensions(mm)
da max :208
Da max :300
ra max :2.5
rb max :2.5
Weight (kg)
Refer :33.8
Part Number:
d:
D:
B:
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