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TS (Single Row Tapered Roller Bearings) (Imperial) LL771948-LL771911

TS (Single Row Tapered Roller Bearings) (Imperial) LL771948-LL771911

The LL771948-LL771911 is a single-row tapered roller bearing with an 18.75″ bore and 22.25″ outer diameter, crafted from durable chrome steel. It handles combined loads up to 106,000 lbf radially and 22,000 lbf thrust, making it robust for heavy-duty use.

Its open design allows easy lubrication, while the steel cage ensures reliable performance. The bearing operates smoothly in temperatures from -30°C to 110°C, suitable for varied environments.

This model is interchangeable with Timken bearings, offering a practical replacement option. Ideal for industrial machinery or large equipment where high radial and thrust loads are common.

Weighing 41.4 lb, it’s built for strength and longevity. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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Product Parameters

  • Part Number LL771948-LL771911
  • Brand TFL
  • Interchangeable Timken
  • Size 18.75" x 22.25" x 1.625"
  • Bore Dia 18.75"
  • Bore Dia Tolerance +0.002" to 0
  • Outer Dia 22.25"
  • Outer Dia Tolerance +0.002" to 0
  • Cone Width 1.625"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 1.25"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.625"
  • Width Tolerance +0.015" to -0.015"
  • Cone Backface ToClear Radius 0.13"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 22.56"
  • Cone Backface Backing Diameter 19.49"
  • Cup Frontface Backing Diameter 21.66"
  • Cup Backface Backing Diameter 21.38"
  • Cage Cone Frontface Clearance 0.12"
  • Cage Cone Backface Clearance 0.1"
  • Effective Center Location 2.3"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number LL771948
  • Cup Part Number LL771911
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series LL771900
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 106000 lbf
  • Static Radial Load 315000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 27400 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 22000 lbf
  • Lubrication Required
  • Temperature Range -30° to 110 °C
  • ABEC Rating ABEC-1
  • Radial Clearance Standard (Available in C3/C4/C5)
  • RoHS Compliant
  • REACH Compliant
  • Weight 41.400 lb

Features

Performance Features of LL771948-LL771911 Bearing

LL771948-LL771911 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 106,000 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 conditions.

How Is LL771948-LL771911 Bearing Engineered for Reliability?

LL771948-LL771911 Bearing features a single-row tapered roller design, optimised for combined load handling.
The chrome steel construction provides excellent strength and resistance to wear.
Its standard radial clearance allows for smooth operation in diverse industrial settings.
With an ABEC-1 rating, it balances precision and cost-effectiveness.

Built for Durability: LL771948-LL771911 Bearing

LL771948-LL771911 Bearing’s robust design includes a steel cage for enhanced roller stability.
It can handle static radial loads up to 315,000 lbf, ensuring long-term reliability.
The tapered roller design distributes loads evenly, reducing stress on components.
Its wide temperature range makes it adaptable to various working environments.

Application

Industrial Uses of LL771948-LL771911 Bearing
This 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 in tough working conditions.

In the automotive sector, LL771948-LL771911 Bearing fits well in large truck axles and drivetrains, providing reliable performance under high radial and thrust loads. Its imperial sizing makes it a standard choice for North American vehicle manufacturers.

For industrial gearboxes, LL771948-LL771911 Bearing’s open design allows for easy lubrication, extending service life in continuous operation. The steel cage adds extra strength, making it suitable for high-load applications.

Where Is LL771948-LL771911 Bearing Used?
You’ll often find this bearing in agricultural machinery, such as tractors and harvesters, where its robust design withstands heavy loads and rough terrain. The standard radial clearance ensures smooth operation even in dusty environments.

In wind turbines, LL771948-LL771911 Bearing supports the main shaft, handling both radial and axial forces efficiently. Its temperature range makes it reliable in varying weather conditions.

Built for Heavy-Duty Use: LL771948-LL771911 Bearing
This bearing excels in railway applications, particularly in freight car axles, where its combined load capacity is essential. The ABEC-1 rating ensures consistent performance without over-engineering.

For marine equipment, LL771948-LL771911 Bearing’s corrosion-resistant materials make it a solid choice for ship propulsion systems. Its large size and load capacity are ideal for such demanding environments.

Automotive vs Aerospace: Applications of LL771948-LL771911 Bearing
In automotive uses, this bearing is perfect for heavy-duty trucks and buses, offering long-lasting performance. Its imperial measurements align with standard vehicle designs.

For aerospace ground equipment, LL771948-LL771911 Bearing handles the heavy loads of aircraft tugs and loading systems. The chrome steel rollers provide the necessary strength for these critical applications.

Q&A

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