TS (Single Row Tapered Roller Bearings) (Imperial) 15125-15250RB

The 15125-15250RB is a single-row tapered roller bearing with a 1.25″ bore and 2.5″ outer diameter, crafted from durable chrome steel. It handles combined loads up to 13500 lbf radially and 2090 lbf in thrust, suitable for moderate-speed applications.

Its open design allows 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, making it a practical choice for replacements. Ideal for use in gearboxes, axles, or industrial equipment where combined loads are common.

Weighing just 0.6lb, it offers a sturdy yet lightweight solution. Compliant with RoHS and REACH standards for safe usage.

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Description

Features

Application

Q&A

Product Parameters

Part Number 15125-15250RB
Brand TFL
Interchangeable Timken
Size 1.25" x 2.5" x 0.8125"
Bore Dia 1.25"
Bore Dia Tolerance +0.005" to 0
Outer Dia 2.5"
Outer Dia Tolerance +0.001" to 0
Cone Width 0.8125"
Cone Width Tolerance +0.003" to -0.01
Cup Width 0.625"
Cup Width Tolerance +0.002" to -0.01
Width 0.8125"
Width Tolerance +0.008" to 0
Cone Backface ToClear Radius 0.14"
Cup Backface ToClear Radius 0.050"
Cone Frontface Backing Diameter 1.44"
Cone Backface Backing Diameter 1.67"
Cup Frontface Backing Diameter 2.34"
Cup Backface Backing Diameter 2.20"
Cage Cone Frontface Clearance 0.07"
Cage Cone Backface Clearance 0.03"
Effective Center Location -0.23"
System of Measurement Inch
Type Bearing
Cone Part Number 15125
Cup Part Number 15250RB
Bearing Type Roller
Roller Bearing Type Tapered
For Load Direction Combined
Construction Single Row
Seal Type Open
Cups Type Standard
Series 15000
Ring Material Chrome Steel
Roller Material Chrome Steel
Cage Material Steel
Dynamic Radial Load 13500 lbf
Static Radial Load 12100 lbf
Dynamic Radial Rating(90 Million Revolutions)(C90) 3490 lbf
Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 2090 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 0.600 lb

Features

How Is 15125-15250RB Bearing Engineered for Reliability?

15125-15250RB Bearing features chrome steel rings and rollers, ensuring strength and durability under combined loads.
Its dynamic radial load capacity reaches 13,500 lbf, making it suitable for heavy-duty applications.
The steel cage maintains roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs reliably in various environments.

What Makes 15125-15250RB Bearing Suitable for High-Temperature Applications?

15125-15250RB Bearing operates efficiently in temperatures from -30° to 110°C, maintaining performance under stress.
The chrome steel construction resists wear, even in demanding conditions.
Its standard radial clearance options (C3/C4/C5) allow for flexibility in different setups.
This bearing is ideal for applications requiring consistent reliability in varying temperatures.

Designed for Durability: 15125-15250RB Bearing

15125-15250RB Bearing is built with precision to handle combined loads effortlessly.
The tapered roller design distributes stress evenly, enhancing longevity.
Its ABEC-1 rating ensures consistent performance for general industrial use.
With a static radial load capacity of 12,100 lbf, it offers dependable support in heavy applications.

Application

Industrial Uses of 15125-15250RB Bearing
15125-15250RB Bearing is commonly used in heavy machinery, such as construction equipment and agricultural gear, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability in tough working conditions.

In automotive applications, 15125-15250RB Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. Its imperial sizing makes it a convenient choice for North American vehicle models.

For industrial conveyor systems, 15125-15250RB Bearing’s open design allows for easy lubrication, extending its service life in high-use environments. The steel cage adds extra strength, making it suitable for continuous operation.

What Makes 15125-15250RB Bearing a Preferred Choice?
15125-15250RB Bearing stands out in applications like gearboxes and pumps, where its tapered rollers manage both radial and thrust loads smoothly. The standard radial clearance offers flexibility for different operational needs.

In mining equipment, 15125-15250RB Bearing’s robust design withstands harsh conditions, reducing downtime for maintenance. Its compatibility with Timken models also makes it a versatile option for replacements.

Built for Heavy-Duty Use: 15125-15250RB Bearing
15125-15250RB Bearing excels in forestry machinery, where its ability to handle heavy loads and shocks is crucial. The chrome steel rollers ensure long-lasting performance even in abrasive environments.

For railway applications, 15125-15250RB Bearing’s precise tolerances and reliable construction make it ideal for axle boxes. Its temperature range also suits varying climatic conditions.

Light-Duty vs Heavy-Duty: Best Uses for 15125-15250RB Bearing
In light-duty scenarios like small industrial fans, 15125-15250RB Bearing provides smooth rotation with minimal maintenance. Its steel cage and chrome steel components offer a good balance of cost and performance.

For heavy-duty uses such as oil rig equipment, 15125-15250RB Bearing’s high dynamic load capacity ensures dependable operation. The open design simplifies lubrication, which is vital in remote locations.