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TS (Single Row Tapered Roller Bearings) (Imperial) 25581-25530RB

TS (Single Row Tapered Roller Bearings) (Imperial) 25581-25530RB

The 25581-25530RB is a single-row tapered roller bearing with a 1.75″ bore and 3.3125″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 20300 lbf radially and 3020 lbf in thrust, making it versatile for various applications.

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

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for industrial machinery or automotive systems where combined loads are common.

Weighing 1.3 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Product Parameters

  • Part Number 25581-25530RB
  • Brand TFL
  • Interchangeable Timken
  • Size 1.75" x 3.3125" x 0.9376"
  • Bore Dia 1.75"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.3125"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.75"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 0.9376"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.02"
  • Cup Backface ToClear Radius 0.03"
  • Cone Frontface Backing Diameter 1.97"
  • Cone Backface Backing Diameter 2.01"
  • Cup Frontface Backing Diameter 3.11"
  • Cup Backface Backing Diameter 2.95"
  • Cage Cone Frontface Clearance 0.06"
  • Cage Cone Backface Clearance 0.01"
  • Effective Center Location -0.25"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 25581
  • Cup Part Number 25530RB
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 25500
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 20300 lbf
  • Static Radial Load 24900 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 5270 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 3020 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 1.3 lb

Features

Performance Features of 25581-25530RB Bearing

25581-25530RB Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 20,300 lbf, ensuring reliable performance in various applications.
The steel cage maintains roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs well in diverse environments.

Why Choose 25581-25530RB Bearing for Precision Tasks?

25581-25530RB Bearing features precise tolerances, with bore diameter tolerance of +0.005″ to 0.
Its tapered roller design ensures smooth operation under both radial and thrust loads.
The standard radial clearance option provides flexibility for different installation needs.
This bearing is interchangeable with Timken models, offering compatibility and convenience.

Engineered for Reliability: 25581-25530RB Bearing

25581-25530RB Bearing’s single row construction provides stability and consistent performance.
The chrome steel components resist wear, maintaining efficiency over extended periods.
With a dynamic thrust rating of 3,020 lbf, it handles demanding applications with ease.
Its ABEC-1 rating ensures dependable precision for industrial use.

Application

Industrial Uses of 25581-25530RB Bearing
25581-25530RB Bearing is commonly used in heavy machinery like construction equipment, where its tapered roller design handles combined radial and thrust loads effectively. The chrome steel construction ensures durability in demanding environments.

In automotive applications, 25581-25530RB Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. Its inch sizing makes it compatible with many North American vehicle models.

For industrial gearboxes, 25581-25530RB Bearing’s single-row design offers precise alignment and smooth operation. The open seal type allows for easy lubrication, extending its service life in high-speed scenarios.

What Makes 25581-25530RB Bearing a Preferred Choice?
25581-25530RB Bearing is often selected for agricultural machinery due to its ability to withstand harsh conditions. The steel cage adds stability, making it suitable for heavy-duty use.

In conveyor systems, 25581-25530RB Bearing’s tapered rollers reduce friction, improving efficiency. Its standard radial clearance ensures consistent performance across various temperatures.

Built for Heavy-Duty Use: 25581-25530RB Bearing
25581-25530RB Bearing excels in mining equipment, where its dynamic load capacity handles extreme pressures. The ABEC-1 rating balances precision and cost-effectiveness.

For railway applications, 25581-25530RB Bearing’s robust design ensures reliability under constant vibration. The chrome steel rollers resist wear, reducing maintenance needs.

Q&A

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