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TS (Single Row Tapered Roller Bearings) (Imperial) EE790120-790221

TS (Single Row Tapered Roller Bearings) (Imperial) EE790120-790221

The EE790120-790221 is a single-row tapered roller bearing with a 12″ bore and 22″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 695,000 lbf and is designed for heavy-duty applications.

Its pin-type cage ensures smooth operation, while the open design allows easy lubrication. The bearing works in temperatures from -30°C to 110°C, making it versatile for various environments.

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

Weighing 294.80 lb, it’s built to last with standard radial clearance options. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number EE790120-790221
  • Brand TFL
  • Interchangeable Timken
  • Size 12" x 22" x 5.375"
  • Bore Dia 12"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 22"
  • Outer Dia Tolerance +0.002" to 0
  • Cone Width 5.375"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 3.875"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 5.375"
  • Width Tolerance +0.014" to -0.01"
  • Cone Backface ToClear Radius 0.050"
  • Cup Backface ToClear Radius 0.250"
  • Cone Frontface Backing Diameter 14.37"
  • Cone Backface Backing Diameter 13.19"
  • Cup Frontface Backing Diameter 20.30"
  • Cup Backface Backing Diameter 19.72"
  • Cage Cone Frontface Clearance 0.34"
  • Cage Cone Backface Clearance 0.75"
  • Effective Center Location -0.96"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number EE790120
  • Cup Part Number 790221
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 790000
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Pin-Type
  • Dynamic Radial Load 695000 lbf
  • Static Radial Load 923000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 180000 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 122000 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 294.80 lb

Features

Performance Features of EE790120-790221 Bearing

EE790120-790221 Bearing is built with chrome steel rings and rollers, offering robust performance under combined loads.
Its dynamic radial load capacity reaches 695,000 lbf, making it suitable for heavy-duty industrial applications.

The pin-type cage design ensures proper roller alignment, reducing friction and wear.
With a standard radial clearance, it provides reliable operation in various conditions.

EE790120-790221 Bearing operates efficiently within a temperature range of -30° to 110°C.
Its ABEC-1 rating ensures consistent precision for general industrial use.

The tapered roller design distributes loads evenly, enhancing durability.
Weighing 294.80 lb, it is designed for stability in large-scale machinery.

Application

Industrial Uses of EE790120-790221 Bearing
EE790120-790221 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 automotive applications, EE790120-790221 Bearing supports large axles and drivetrains, providing reliable performance under high radial and thrust loads. Its inch sizing makes it compatible with many North American industrial vehicles.

For wind turbines, EE790120-790221 Bearing’s pin-type cage design reduces friction, enhancing efficiency in high-load, low-speed environments. The standard radial clearance also allows for easy installation and maintenance.

Why Is EE790120-790221 Bearing Essential in Machinery?
EE790120-790221 Bearing plays a key role in railway systems, particularly in wheel sets and bogies, where its dynamic load capacity ensures smooth operation. The ABEC-1 rating balances precision and cost-effectiveness.

In steel mills, EE790120-790221 Bearing withstands extreme temperatures and heavy loads, making it a dependable choice for rolling mills. The open seal design simplifies lubrication in dusty environments.

Built for Heavy-Duty Use: EE790120-790221 Bearing
EE790120-790221 Bearing is ideal for agricultural machinery like combines and tractors, where its robust design handles uneven loads. The tapered rollers distribute stress evenly, reducing wear.

For marine applications, EE790120-790221 Bearing’s corrosion-resistant materials perform well in harsh saltwater conditions. Its large size accommodates the heavy loads typical in ship propulsion systems.

Automotive vs Aerospace: Applications of EE790120-790221 Bearing
In automotive sectors, EE790120-790221 Bearing is used in truck differentials, offering reliable performance under constant stress. The inch measurements align with standard US automotive components.

For aerospace ground equipment, EE790120-790221 Bearing supports heavy-load platforms and tow tractors. Its static radial load capacity ensures stability during aircraft handling operations.

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