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TS (Single Row Tapered Roller Bearings) (Imperial) EE277455-277565

TS (Single Row Tapered Roller Bearings) (Imperial) EE277455-277565

The EE277455-277565 is a single-row tapered roller bearing with a large 45.5″ bore and 56.5″ outer diameter, crafted from sturdy chrome steel. It handles combined loads, with a dynamic radial load capacity of 908,000 lbf and a static radial load of 2,920,000 lbf.

Its pin-type cage ensures smooth operation, while the open design allows for easy lubrication. The bearing performs reliably in temperatures ranging from -30°C to 110°C.

This model is interchangeable with Timken bearings, making it a practical choice for replacements. Ideal for heavy-duty applications like industrial machinery or large equipment where robust performance is needed.

Weighing 952.90 lb, it’s built for durability and long service life. Compliant with RoHS and REACH standards for safe and environmentally friendly use.

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Product Parameters

  • Part Number EE277455-277565
  • Brand TFL
  • Interchangeable Timken
  • Size 45.5" x 56.5" x 4.75"
  • Bore Dia 45.5"
  • Bore Dia Tolerance +0.004" to 0
  • Outer Dia 56.5"
  • Outer Dia Tolerance +0.005" to 0
  • Cone Width 4.75"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 3.75"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 4.75"
  • Width Tolerance +0.015" to -0.015"
  • Cone Backface ToClear Radius 0.25"
  • Cup Backface ToClear Radius 0.250"
  • Cone Frontface Backing Diameter 47.05"
  • Cone Backface Backing Diameter 47.44"
  • Cup Frontface Backing Diameter 55.24"
  • Cup Backface Backing Diameter 53.94"
  • Cage Cone Frontface Clearance 0.21"
  • Cage Cone Backface Clearance 0.48"
  • Effective Center Location 3.46"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number EE277455
  • Cup Part Number 277565
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 277000
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Pin-Type
  • Dynamic Radial Load 908000 lbf
  • Static Radial Load 2920000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 235000 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 146000 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 952.90 lb

Features

Performance Features of EE277455-277565 Bearing

EE277455-277565 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 908,000 lbf, making it suitable for heavy-duty applications.
The pin-type 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 EE277455-277565 Bearing Engineered for Reliability?

EE277455-277565 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 dynamic radial rating of 235,000 lbf ensures long-lasting performance under stress.
The standard radial clearance options allow for flexibility in different applications.

Built for Durability: EE277455-277565 Bearing

EE277455-277565 Bearing’s robust design includes precise cone and cup width tolerances for consistent performance.
The pin-type cage maintains roller alignment, reducing friction and extending service life.
With a static radial load capacity of 2,920,000 lbf, it handles extreme loads with ease.
Its ABEC-1 rating ensures reliable operation in industrial settings.

Steel vs Ceramic Bearings: Strengths of EE277455-277565 Bearing

EE277455-277565 Bearing uses chrome steel for both rings and rollers, providing excellent durability and load capacity.
The tapered roller design efficiently manages combined radial and thrust loads.
Its dynamic thrust rating of 146,000 lbf ensures reliable performance in demanding conditions.
The standard radial clearance options make it versatile for various industrial uses.

Application

Industrial Uses of EE277455-277565 Bearing
EE277455-277565 Bearing is commonly used in heavy machinery, such as mining equipment and large-scale conveyor systems, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability even in demanding environments.

In the automotive sector, EE277455-277565 Bearing supports large vehicle components like axles and differentials, providing reliable performance under high radial and thrust loads. Its inch sizing makes it a preferred choice for American and British machinery.

For industrial fans and blowers, EE277455-277565 Bearing’s open design allows for easy lubrication, extending service life in continuous operation. The pin-type cage adds stability, reducing wear during high-speed rotations.

Where Is EE277455-277565 Bearing Used?
EE277455-277565 Bearing finds its place in construction equipment, such as cranes and bulldozers, where its robust design withstands heavy loads and harsh conditions. The standard radial clearance offers flexibility for various applications.

In railway applications, EE277455-277565 Bearing ensures smooth operation in wheel sets and gearboxes, thanks to its tapered roller construction. The ABEC-1 rating provides sufficient precision for these critical systems.

Built for Heavy-Duty Use: EE277455-277565 Bearing
EE277455-277565 Bearing excels in agricultural machinery, like combine harvesters, where its combined load capacity handles uneven forces. The chrome steel rollers enhance wear resistance in dusty environments.

For oil and gas equipment, EE277455-277565 Bearing’s temperature range and lubrication requirements make it suitable for pumps and compressors. Its large size and weight are ideal for stationary industrial applications.

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