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LM770945 Single Cones (Imperial)
LM770945 Single Cones (Imperial)

LM770945 Single Cones (Imperial)

The LM770945 is a single-row tapered roller bearing cone with a 17.75-inch bore, designed for combined loads. Made from durable chrome steel, it handles dynamic radial loads up to 335,000 lbf and static loads up to 773,000 lbf.

Its open design allows easy maintenance, while the steel cage ensures reliable performance. The cone has a width of 3.3125 inches and an effective center location of 1.2 inches for precise alignment.

This model is interchangeable with Timken bearings, making it a practical choice for replacements. Suitable for heavy-duty applications like industrial machinery or large vehicles where combined loads are common.

It operates in temperatures from -30°C to 110°C and meets RoHS and REACH standards. Available with standard radial clearance or options like C3, C4, and C5 for different needs.

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Product Parameters

  • Part Number LM770945
  • Brand TFL
  • Interchangeable Brand Timken
  • System of Measurement Inch
  • Type Cones
  • Bearing Part Number LM770945-LM770910
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Series LM770900
  • Bore Dia 17.75"
  • Bore Dia Tolerance +0.001" to 0
  • Cone Width 3.3125"
  • Cone Width Tolerance +0.003" to -0.01
  • Cone Backface ToClear Radius 0.25"
  • Cone Frontface Backing Diameter 18.66"
  • Cone Backface Backing Diameter 19.06"
  • Cage Cone Frontface Clearance 0.2"
  • Cage Cone Backface Clearance 0.48"
  • Effective Center Location 1.2"
  • Ring Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 335000 lbf
  • Static Radial Load 773000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 86800 lbf
  • Dynamic Radial Rating(Two Row 1 Million Revolutions)(C1) 583000 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 67300 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions)(C90) 151000 lbf
  • Temperature Range -30° to 110 °C
  • ABEC Rating ABEC-1
  • Radial Clearance Standard (Available in C3/C4/C5)
  • RoHS Compliant
  • REACH Compliant

Features

How Does LM770945 Bearing Handle Combined Loads?

LM770945 Bearing is crafted from chrome steel, offering robust resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 335,000 lbf, making it suitable for heavy-duty applications.
The steel cage ensures proper roller alignment, enhancing durability and reducing wear.
With a temperature range of -30° to 110°C, it performs reliably in various operating conditions.

What Makes LM770945 Bearing Durable?

LM770945 Bearing features a tapered roller design, optimised for combined load handling.
The chrome steel construction provides excellent strength and resistance to wear.
Its dynamic radial rating of 86800 lbf at 90 million revolutions ensures long service life.
The standard radial clearance allows for smooth operation in diverse environments.

Engineered for Precision: LM770945 Bearing

LM770945 Bearing’s single-row construction ensures precise load distribution.
The effective center location of 1.2″ enhances stability during operation.
Its ABEC-1 rating guarantees consistent performance in industrial applications.
The open seal design simplifies maintenance while maintaining reliability.

Steel vs Chrome Steel: Strengths of LM770945 Bearing

LM770945 Bearing combines chrome steel rings with a steel cage for balanced performance.
This mix ensures high load capacity while maintaining cost-effectiveness.
The bearing’s static radial load of 773,000 lbf highlights its strength.
Its tapered roller design further enhances efficiency under combined loads.

Performance Features of LM770945 Bearing

LM770945 Bearing is designed for heavy radial and thrust loads, with dynamic ratings up to 583,000 lbf.
The precise bore diameter tolerance ensures a secure fit in various applications.
Its standard radial clearance options (C3/C4/C5) cater to different operational needs.
The bearing operates smoothly within a wide temperature range, ensuring versatility.

Application

Industrial Uses of LM770945 Bearing
LM770945 Bearing is commonly used in heavy machinery like mining equipment and construction vehicles, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability even in demanding environments.

Where Is LM770945 Bearing Used?
You’ll often find LM770945 Bearing in agricultural machinery, supporting components like gearboxes and axles. Its inch sizing makes it a preferred choice for North American industrial applications.

Built for Heavy-Duty Use: LM770945 Bearing
LM770945 Bearing excels in applications like railroad axles, where high radial and thrust loads are common. The steel cage provides added strength, making it reliable for long-term use.

Automotive vs Aerospace: Applications of LM770945 Bearing
In automotive systems, LM770945 Bearing is used in truck wheel hubs, offering stability under heavy loads. For aerospace, its precision fits landing gear assemblies, though industrial use remains more common.

Key Fields for LM770945 Bearing
LM770945 Bearing is ideal for wind turbine systems, where its ability to handle dynamic loads ensures smooth operation. The standard radial clearance also allows for easy installation in various setups.

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