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Single Row Cylindrical Roller Thrust Bearings 81248 M

Single Row Cylindrical Roller Thrust Bearings 81248 M

The 81248 M is a single-row cylindrical roller thrust bearing with a 240mm bore and 340mm outer diameter, built from sturdy chrome steel. It handles heavy thrust loads up to 247500 lbf and operates smoothly at speeds up to 800 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 gearboxes where high thrust loads are common.

Weighing 22kg, it’s robust and built to last. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Product Parameters

  • Part Number 81248 M
  • size 240 mm x 340 mm x 78 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 240 mm
  • Bore Dia Tolerance -0.030mm to 0
  • Outer Dia 340 mm
  • Outer Dia Tolerance -0.040mm to 0
  • Width 78 mm
  • Height Tolerance -0.40mm to +0.03mm
  • Outside Diameter Shaft Washer 335 mm
  • Bore Diameter Housing Washer 244 mm
  • Height Shaft Washer 23 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 247500 lbf
  • Static Radial Load 1102500 lbf
  • Max Speed 800 rpm
  • Temperature Range -30° to 110 °C
  • RoHS Compliant
  • REACH Compliant
  • Weight 22 kg
  • Roller And Cage Thrust Assembly K 81248 M
  • Shaft Washer WS 81248
  • Housing Washer GS 81248
Single Row Cylindrical Roller Thrust Bearings 81248 M dimension drawing
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Features

How Does 81248 M Bearing Handle Heavy Loads?

81248 M Bearing is built with chrome steel washers and rollers, offering robust resistance to high thrust loads.
Its dynamic radial load capacity reaches 247500 lbf, making it suitable for heavy-duty applications.
The machined brass cage ensures precise roller alignment, enhancing durability and reducing friction.
With a maximum speed of 800 rpm, it delivers reliable performance under demanding conditions.

What Makes 81248 M Bearing Suitable for High-Temperature Applications?

81248 M Bearing operates efficiently within a temperature range of -30° to 110 °C.
Its chrome steel construction maintains structural integrity even in high-heat environments.
The machined brass cage further enhances thermal stability, ensuring consistent performance.
This makes it ideal for applications where temperature fluctuations are common.

Engineered for Precision: 81248 M Bearing

81248 M Bearing features precise dimensions with a bore diameter of 240 mm and outer diameter of 340 mm.
The tight tolerances ensure accurate fit and smooth operation in thrust applications.
Its machined brass cage provides excellent roller guidance, minimising wear.
This precision engineering makes it a reliable choice for industrial machinery.

Application

Industrial Uses of 81248 M Bearing
81248 M Bearing is commonly used in heavy machinery like hydraulic presses and large gearboxes, where its cylindrical roller design efficiently handles high thrust loads. The machined brass cage ensures smooth operation even under demanding conditions.

Where Is 81248 M Bearing Used?
You’ll often find 81248 M Bearing in wind turbine systems, where its robust construction supports the axial loads generated by rotor blades. Its chrome steel rollers provide long-lasting performance in these high-stress environments.

Built for Heavy-Duty Use: 81248 M Bearing
81248 M Bearing is a reliable choice for mining equipment, such as conveyor systems, thanks to its ability to withstand extreme loads. The metric sizing makes it easy to integrate into various industrial setups.

Automotive vs Aerospace: Applications of 81248 M Bearing
In automotive applications, 81248 M Bearing is used in large truck transmissions, while in aerospace, it supports landing gear mechanisms. Its high static radial load capacity makes it versatile for both fields.

Key Fields for 81248 M Bearing
81248 M Bearing excels in steel mills, where its durability is crucial for rolling mill stands. The temperature range of -30° to 110°C ensures consistent performance in fluctuating conditions.

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