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Single Row Cylindrical Roller Thrust Bearings assembly K 81256 M

Single Row Cylindrical Roller Thrust Bearings assembly K 81256 M

The K 81256 M is a single-row cylindrical roller thrust bearing with a 280mm bore and 380mm outer diameter, built to handle heavy thrust loads. Its chrome steel rollers and machined brass cage ensure durability and smooth operation.

This bearing can manage dynamic radial loads up to 261,000 lbf and static loads up to 1,237,500 lbf, making it suitable for demanding applications. It operates smoothly at speeds up to 800 RPM and works in temperatures from -30°C to 110°C.

The bearing’s design includes separate shaft and housing washers (WS 81256 and GS 81256) for easy installation. Its robust construction makes it ideal for heavy machinery like presses or industrial gearboxes.

Weighing 11.5kg, this SKF-interchangeable bearing meets RoHS and REACH standards. Its large size and high load capacity make it perfect for applications where space and strength are key factors.

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Product Parameters

  • Part Number K 81256 M
  • 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 280 mm
  • Bore Dia Tolerance +0.11mm to +0.43mm
  • Outer Dia 380 mm
  • Outer Dia Tolerance -1.35mm to -2.24mm
  • Diameter Roller 32 mm
  • Raceway Diameter (min.) Roller And Cage Thrust Assembly 301 mm
  • Raceway Diameter (max.) Roller And Cage Thrust Assembly 371 mm
  • Roller Material Chrome Steel
  • Cage Material Machined brass cage
  • Dynamic Radial Load 261000 lbf
  • Static Radial Load 1237500 lbf
  • Max Speed 800 rpm
  • Temperature Range -30° to 110 °C
  • RoHS Compliant
  • REACH Compliant
  • Weight 11.5 kg
  • Shaft Washer WS 81256
  • Housing Washer GS 81256

Features

How Is K 81256 M Bearing Engineered for Reliability?

K 81256 M Bearing features a robust chrome steel roller design, capable of handling dynamic radial loads up to 261,000 lbf.
The machined brass cage ensures smooth operation and reduces friction under heavy thrust conditions.

With a maximum speed of 800 rpm, K 81256 M Bearing maintains stability and efficiency in demanding applications.
Its precise tolerances and durable materials make it suitable for high-load industrial environments.

K 81256 M Bearing operates effectively within a temperature range of -30° to 110°C, ensuring versatility.
The combination of chrome steel rollers and brass cage enhances its longevity and reduces maintenance needs.

Application

Industrial Uses of K 81256 M Bearing
K 81256 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.

What Makes K 81256 M Bearing a Preferred Choice?
In wind turbine applications, K 81256 M Bearing’s robust construction and high dynamic load capacity make it ideal for supporting rotor shafts. Its metric sizing also allows for easy integration with European-designed systems.

Built for Heavy-Duty Use: K 81256 M Bearing
For mining equipment, K 81256 M Bearing’s chrome steel rollers and brass cage provide durability in abrasive environments. The wide temperature range ensures reliability in both hot and cold operating conditions.

Automotive vs Aerospace: Applications of K 81256 M Bearing
In automotive testing rigs, K 81256 M Bearing handles extreme loads during durability tests. Meanwhile, in aerospace ground support equipment, its precision and high static load capacity are equally valuable.

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