TS (Single Row Tapered Roller Bearings) (Imperial) EE991201-992550

The TS single row tapered roller bearing is a robust unit measuring 12″ x 25.5″ x 5.5″, made from durable chrome steel. It handles combined loads with a dynamic radial capacity of 528,000 lbf and a static radial load of 790,000 lbf.

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

This model is interchangeable with Timken bearings, making it a reliable choice for replacements. Ideal for heavy-duty applications like industrial machinery or large equipment where high radial and thrust loads are common.

Weighing 420.30 lb, it’s built for strength and longevity. Compliant with RoHS and REACH standards for safe use.

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Description

Features

Application

Q&A

Product Parameters

Part Number EE991201-992550
Brand TFL
Interchangeable Timken
Size 12" x 25.5" x 5.5"
Bore Dia 12"
Bore Dia Tolerance +0.001" to 0
Outer Dia 25.5"
Outer Dia Tolerance +0.003" to 0
Cone Width 4.75"
Cone Width Tolerance +0.003" to -0.01
Cup Width 3.5"
Cup Width Tolerance +0.002" to -0.01
Width 5.5"
Width Tolerance +0.014" to -0.01"
Cone Backface ToClear Radius 0.530"
Cup Backface ToClear Radius 0.530"
Cone Frontface Backing Diameter 15.63"
Cone Backface Backing Diameter 15.12"
Cup Frontface Backing Diameter 23.39"
Cup Backface Backing Diameter 21.50"
Cage Cone Frontface Clearance 0.92"
Cage Cone Backface Clearance 1.01"
Effective Center Location 2.17"
System of Measurement Inch
Type Bearing
Cone Part Number EE991201
Cup Part Number 992550
Bearing Type Roller
Roller Bearing Type Tapered
For Load Direction Combined
Construction Single Row
Seal Type Open
Cups Type Standard
Series 990000
Ring Material Chrome Steel
Roller Material Chrome Steel
Cage Material Pin-Type
Dynamic Radial Load 528000 lbf
Static Radial Load 790000 lbf
Dynamic Radial Rating(90 Million Revolutions)(C90) 137000 lbf
Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 203000 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 420.30 lb

Features

Performance Features of EE991201-992550 Bearing

EE991201-992550 Bearing is built with chrome steel rings and rollers, offering high resistance to combined loads.
Its dynamic radial load capacity reaches 528,000 lbf, making it suitable for heavy-duty applications.

The pin-type cage ensures proper roller alignment, reducing friction and enhancing durability.
With a temperature range of -30° to 110°C, it performs reliably in various operating conditions.

EE991201-992550 Bearing’s standard radial clearance allows for smooth operation and easy installation.
The tapered roller design efficiently handles both radial and thrust loads, ensuring long service life.

Application

Industrial Uses of EE991201-992550 Bearing
EE991201-992550 Bearing is commonly used in heavy machinery like mining equipment and construction vehicles, where its tapered roller design handles combined loads effectively. The large imperial sizing makes it ideal for applications requiring robust support and durability.

In automotive applications, EE991201-992550 Bearing fits well in truck wheel hubs and drivetrains, providing reliable performance under high radial and thrust loads. Its chrome steel construction ensures long service life even in demanding conditions.

For industrial conveyor systems, EE991201-992550 Bearing’s open design allows for easy lubrication, maintaining smooth operation over extended periods. The pin-type cage adds stability, reducing wear during continuous use.

Where Is EE991201-992550 Bearing Used?
EE991201-992550 Bearing is often found in agricultural machinery, such as tractors and harvesters, where its ability to handle heavy loads is essential. The standard radial clearance offers flexibility in various operating conditions.

In wind turbine systems, EE991201-992550 Bearing supports the main shaft, ensuring reliable performance under varying wind loads. Its ABEC-1 rating provides sufficient precision for these critical applications.

Built for Heavy-Duty Use: EE991201-992550 Bearing
EE991201-992550 Bearing excels in steel mills and foundries, where extreme loads and temperatures are common. The chrome steel rollers and rings withstand harsh environments without compromising performance.

For railway applications, EE991201-992550 Bearing is used in axle boxes, providing stability and reducing maintenance needs. Its large size and robust construction make it a dependable choice for long-haul trains.

Automotive vs Aerospace: Applications of EE991201-992550 Bearing
In automotive settings, EE991201-992550 Bearing is preferred for heavy-duty trucks and buses, where its load capacity and durability are key. The imperial sizing ensures compatibility with North American vehicle designs.

For aerospace ground equipment, EE991201-992550 Bearing is used in loading platforms and maintenance tools, offering reliable support. Its temperature range suits both indoor and outdoor operations.