Single Row Deep Groove Ball Bearings 618/850 MA

The 618/850 MA is a single row deep groove ball bearing with a large 850mm bore and 1030mm outer diameter, built from sturdy chrome steel. It handles heavy radial loads up to 125668 lbf and operates at speeds up to 750 RPM.

Its open design and stainless steel cage ensure durability, while the P6 tolerance class offers precise performance. The bearing works reliably in temperatures ranging from -30°C to 120°C.

This model is interchangeable with SKF bearings, making it a practical choice for replacements. Ideal for heavy-duty applications like industrial machinery or large equipment where radial loads are common.

Weighing 140kg, it’s built for robust performance. Compliant with RoHS and REACH standards for safe and environmentally friendly use.

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Description

Features

Application

Q&A

Product Parameters

Part Number 618/850 MA
Brand TFL
Interchangeable SKF
System of Measurement Metric
For Load Direction Radial
Construction Single Row
Bearing Type Ball
Seal Type Open
Tolerance Class P6
Radial Clearance Trade No CN
Bore Dia 850 mm
Bore Dia Tolerance -0.06mm to 0
Outer Dia 1030 mm
Outer Dia Tolerance -0.075mm to 0
Width 82 mm
Width Tolerance -1mm to 0
Ring Material Chrome Steel
Ball Material Chrome Steel
Cage Material Stainless Steel
REACH Compliant
Temperature Range -30° to 120 °C
Dynamic Radial Load 125668 lbf
Static Radial Load 321477 lbf
Max Speed 750 rpm
Weight 140 kg
price（$） 8975.403

Single Row Deep Groove Ball Bearings 618/850 MA dimension drawing

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Features

Performance Features of 618/850 MA Bearing

618/850 MA Bearing is built with chrome steel rings and balls, offering strong resistance to radial loads.
Its dynamic radial load capacity reaches 125,668 lbf, ensuring reliable performance in heavy-duty applications.

The stainless steel cage maintains ball alignment, reducing friction and wear.
With a maximum speed of 750 rpm, it balances durability and efficiency in large-scale machinery.

618/850 MA Bearing operates smoothly in temperatures from -30° to 120°C.
Its open design allows for easy lubrication, reducing maintenance needs over time.

The precision P6 tolerance class ensures consistent performance.
This makes 618/850 MA Bearing suitable for applications requiring high radial load capacity.

Application

Industrial Uses of 618/850 MA Bearing
The 618/850 MA Bearing is commonly used in large industrial machinery, such as heavy-duty gearboxes and large conveyor systems. Its robust design handles significant radial loads, making it suitable for demanding environments.

In wind turbine applications, the 618/850 MA Bearing supports the main shaft, ensuring smooth rotation under varying wind conditions. The chrome steel construction provides durability, while the open design allows for easy maintenance.

For mining equipment, the 618/850 MA Bearing is ideal for crushers and mills, where its high load capacity and reliability are essential. The P6 tolerance class ensures precise performance even in harsh operating conditions.

Automotive vs Aerospace: Applications of 618/850 MA Bearing
In automotive manufacturing, the 618/850 MA Bearing is used in large presses and assembly line equipment. Its high static radial load capacity ensures stability during heavy operations.

In aerospace, the 618/850 MA Bearing finds use in ground support equipment, such as aircraft tugs and loading systems. The bearing’s temperature range and compliance with REACH make it suitable for varied operational conditions.