618/1120-M Bearing

 

Main Dimensions & Performance Data

d	1,120 mm	Bore diameter
D	1,360 mm	Outside diameter
B	106 mm	Width
Cr	810,000 N	Basic dynamic load rating, radial
C0r	2,250,000 N	Basic static load rating, radial
Cur	37,500 N	Fatigue load limit, radial
nG	730 1/min	Limiting speed
nϑr	430 1/min	Reference speed
≈m	318 kg	Weight

Mounting dimensions

da min	1,143 mm	Minimum diameter shaft shoulder
Da max	1,337 mm	Maximum diameter of housing shoulder
ra max	5 mm	Maximum fillet radius

Dimensions

rmin	6 mm	Minimum chamfer dimension
D1	1,284 mm	Shoulder diameter outer ring
d1	1,198.7 mm	Shoulder diameter inner ring

Temperature range

Tmin	-30 °C	Operating temperature min.
Tmax	200 °C	Operating temperature max.

Calculation factors

f0

15.8

Calculation factor

 

The 618/1120-M deep groove ball bearing is a high-performance component designed for heavy-duty applications. Its robust construction ensures reliable operation under extreme conditions, making it ideal for industrial machinery and automotive systems. The bearing features a single-row design with a deep raceway, providing excellent radial load capacity and smooth rotational performance. Its precision engineering minimizes friction, enhancing efficiency and extending service life.

One of the key advantages of the 618/1120-M bearing is its versatility. It is suitable for a wide range of applications, including electric motors, pumps, and gearboxes. The bearing's ability to handle both radial and axial loads makes it a preferred choice for engineers seeking durability and reliability. Additionally, its maintenance-free design reduces downtime and operational costs, ensuring consistent performance over time.

In demanding environments, the 618/1120-M bearing excels due to its high-quality materials and advanced manufacturing techniques. The bearing is crafted from premium-grade steel, offering exceptional resistance to wear and corrosion. Its sealed or shielded variants provide enhanced protection against contaminants, making it suitable for harsh operating conditions. Whether in mining equipment, construction machinery, or agricultural tools, this bearing delivers unmatched performance and longevity.

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