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Single Row Cylindrical Roller Thrust Bearings 81188 M

Single Row Cylindrical Roller Thrust Bearings 81188 M

The 81188 M is a single-row cylindrical roller thrust bearing with a 440mm bore and 540mm outer diameter, built from sturdy chrome steel. It handles heavy thrust loads up to 321750 lbf and operates smoothly at speeds up to 600 RPM.

Its machined brass cage ensures durability, while the precise tolerances provide reliable performance. The bearing works well in temperatures ranging from -30°C to 110°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 gear systems where high thrust loads are common.

Weighing 39.5kg, it’s designed for robust performance in demanding environments. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Product Parameters

  • Part Number 81188 M
  • size 440 mm x 540 mm x 80 mm
  • Brand TFL
  • Interchangeable brand SKF
  • System of Measurement Metric
  • Roller Bearing Type Cylindrical
  • Bearing Type Roller
  • For Load Direction Thrust
  • Number of Rows 1
  • Bore Dia 440 mm
  • Bore Dia Tolerance -0.045mm to 0
  • Outer Dia 540 mm
  • Outer Dia Tolerance -0.050mm to 0
  • Width 80 mm
  • Height Tolerance -0.50mm to +0.05mm
  • Outside Diameter Shaft Washer 535 mm
  • Bore Diameter Housing Washer 444 mm
  • Height Shaft Washer 24 mm
  • Chamfer Dimension Housing Washer r1,2 (min.) 2.1 mm
  • Washer Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Machined brass cage
  • Dynamic Radial Load 321750 lbf
  • Static Radial Load 1800000 lbf
  • Max Speed 600 rpm
  • Temperature Range -30° to 110 °C
  • RoHS Compliant
  • REACH Compliant
  • Weight 39.5 kg
  • Roller And Cage Thrust Assembly K-81188 M
  • Shaft Washer IW-81188
  • Housing Washer OW-81188
Single Row Cylindrical Roller Thrust Bearings 81188 M dimension drawing
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Features

How Does 81188 M Bearing Handle Heavy Thrust Loads?

81188 M Bearing is built with chrome steel washers and rollers, offering robust resistance to high thrust loads.
Its dynamic radial load capacity reaches 321750 lbf, making it suitable for heavy-duty industrial applications.
The machined brass cage ensures smooth roller alignment, enhancing durability and reducing friction.
With a maximum speed of 600 rpm, it delivers reliable performance in demanding conditions.

Structural Advantages of 81188 M Bearing

81188 M Bearing features a single-row cylindrical roller design, optimised for thrust load applications.
The precise chamfer dimensions on the housing washer (2.1 mm) facilitate easier installation and alignment.
Its chrome steel construction provides excellent wear resistance, extending the bearing’s operational life.
The metric sizing (440 mm x 540 mm x 80 mm) ensures compatibility with standard industrial equipment.

Why Choose 81188 M Bearing for Precision Tasks?

81188 M Bearing’s machined brass cage maintains precise roller positioning, ensuring consistent performance.
The tight tolerances on bore and outer diameters (-0.045mm to 0 and -0.050mm to 0) enhance operational accuracy.
Its static radial load capacity of 1800000 lbf makes it reliable for high-load scenarios.
The temperature range of -30° to 110 °C allows use in varied environmental conditions.

Application

Industrial Uses of 81188 M Bearing
81188 M Bearing is commonly used in heavy machinery, such as hydraulic presses and large gearboxes, where its cylindrical roller design handles high thrust loads efficiently. The machined brass cage ensures smooth operation even under demanding conditions.

Where Is 81188 M Bearing Used?
You’ll often find 81188 M Bearing in wind turbine systems, where its robust construction supports the axial loads generated by rotor blades. Its metric sizing makes it a reliable choice for European and Asian equipment manufacturers.

Built for Heavy-Duty Use: 81188 M Bearing
81188 M Bearing excels in mining equipment, such as crushers and conveyors, thanks to its chrome steel rollers and high static load capacity. The open design allows for easy lubrication, extending service life in harsh environments.

Automotive vs Aerospace: Applications of 81188 M Bearing
In automotive applications, 81188 M Bearing is used in large truck transmissions, while in aerospace, it supports landing gear mechanisms. Its precision tolerances ensure consistent performance across both industries.

Practical Applications of 81188 M Bearing
81188 M Bearing is ideal for industrial pumps, where its single-row design simplifies maintenance and reduces downtime. The temperature range of -30° to 110°C makes it suitable for varied operating conditions.

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