TS (Single Row Tapered Roller Bearings) (Imperial) 59187-59412

The 59187-59412 is a single-row tapered roller bearing with a 1.875″ bore and 4.125″ outer diameter, crafted from durable chrome steel. It handles combined loads up to 45500 lbf radial and 8110 lbf thrust, making it suitable for heavy-duty applications.

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

This model is interchangeable with Timken bearings, offering a practical replacement option. Ideal for use in gearboxes, axles, or industrial machinery where robust load handling is needed.

Weighing 3.2 lb, it’s built to last and complies with RoHS and REACH standards for safe use. The standard radial clearance can be adjusted to C3, C4, or C5 as required.

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Description

Features

Application

Q&A

Product Parameters

Part Number 59187-59412
Brand TFL
Interchangeable Timken
Size 1.875" x 4.125" x 1.4375"
Bore Dia 1.875"
Bore Dia Tolerance +0.005" to 0
Outer Dia 4.125"
Outer Dia Tolerance +0.001" to 0
Cone Width 1.4375"
Cone Width Tolerance +0.003" to -0.01
Cup Width 1.125"
Cup Width Tolerance +0.002" to -0.01
Width 1.4375"
Width Tolerance +0.008" to 0
Cone Backface ToClear Radius 0.14"
Cup Backface ToClear Radius 0.130"
Cone Frontface Backing Diameter 2.32"
Cone Backface Backing Diameter 2.56"
Cup Frontface Backing Diameter 3.94"
Cup Backface Backing Diameter 3.62"
Cage Cone Frontface Clearance 0.09"
Cage Cone Backface Clearance 0.11"
Effective Center Location -0.38"
System of Measurement Inch
Type Bearing
Cone Part Number 59187
Cup Part Number 59412
Bearing Type Roller
Roller Bearing Type Tapered
For Load Direction Combined
Construction Single Row
Seal Type Open
Cups Type Standard
Series 59000
Ring Material Chrome Steel
Roller Material Chrome Steel
Cage Material Steel
Dynamic Radial Load 45500 lbf
Static Radial Load 45400 lbf
Dynamic Radial Rating(90 Million Revolutions)(C90) 11800 lbf
Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 8110 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 3.2 lb

Features

Performance Features of 59187-59412 Bearing

59187-59412 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 45,500 lbf, ensuring reliable performance in heavy-duty applications.
The steel cage maintains proper roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs well in various environmental conditions.

How Is 59187-59412 Bearing Engineered for Reliability?

59187-59412 Bearing features a single row tapered roller design, optimised for combined load handling.
The chrome steel construction enhances durability, while the open seal type allows for easy lubrication.
Its standard radial clearance ensures smooth operation, suitable for ABEC-1 precision applications.
Weighing just 3.2 lb, it balances strength and practicality in industrial settings.

Built for Durability: 59187-59412 Bearing

59187-59412 Bearing’s tapered roller design efficiently manages both radial and thrust loads.
The steel cage provides stability, keeping rollers in place during high-stress operations.
With a static radial load capacity of 45,400 lbf, it excels in demanding environments.
Its inch measurements make it compatible with imperial system machinery, offering versatile application options.

Steel vs Ceramic Bearings: Strengths of 59187-59412 Bearing

59187-59412 Bearing uses chrome steel for both rings and rollers, ensuring cost-effective durability.
The material choice provides excellent wear resistance compared to ceramic alternatives in heavy-load scenarios.
Its 59000 series design offers reliable performance for industrial equipment requiring combined load support.
The bearing maintains consistent operation within its specified temperature range without performance degradation.

Why Choose 59187-59412 Bearing for Precision Tasks?

59187-59412 Bearing’s ABEC-1 rating ensures adequate precision for most industrial applications.
The tapered roller design distributes loads evenly across the bearing surfaces, reducing stress points.
Its standard radial clearance can be optionally upgraded to C3/C4/C5 for specific operational needs.
The bearing’s interchangeable nature with Timken products provides flexibility in maintenance and replacement.

Application

Common Applications of 59187-59412 Bearing
59187-59412 Bearing is widely used in heavy machinery, such as construction equipment and agricultural gear, where its tapered roller design handles combined loads effectively. The inch sizing makes it a go-to choice for North American industrial applications.

In automotive settings, 59187-59412 Bearing fits well in truck wheel hubs and differential systems, thanks to its robust chrome steel construction. Its open design simplifies lubrication, ensuring longevity even under constant stress.

For conveyor systems, 59187-59412 Bearing’s standard radial clearance offers reliable performance in high-load scenarios. The steel cage adds durability, making it suitable for harsh environments like mining or material handling.

Where Is 59187-59412 Bearing Used?
You’ll often spot 59187-59412 Bearing in gearboxes and power transmission units, where its tapered rollers manage radial and thrust loads seamlessly. Its compatibility with Timken models adds to its versatility.

In railway applications, 59187-59412 Bearing supports axle boxes, ensuring smooth operation under heavy loads. The ABEC-1 rating balances precision and cost, making it a practical choice for freight and passenger trains.

Built for Heavy-Duty Use: 59187-59412 Bearing
59187-59412 Bearing excels in forestry equipment, like log skidders, where its dynamic load capacity handles rough terrain. The chrome steel rollers resist wear, even in dusty or wet conditions.

For industrial fans, 59187-59412 Bearing’s temperature range (-30° to 110°C) ensures stable performance in varying climates. Its standard lubrication requirement keeps maintenance straightforward.

Automotive vs Aerospace: Applications of 59187-59412 Bearing
In automotive drivetrains, 59187-59412 Bearing handles high torque, while its aerospace use is limited due to weight. Still, it’s a reliable pick for ground support equipment.

For farm machinery, 59187-59412 Bearing’s durability shines in tractors and harvesters. Its inch measurements align with older equipment, simplifying replacements without retrofitting.