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TS (Single Row Tapered Roller Bearings) (Imperial) 25578-25530RB

TS (Single Row Tapered Roller Bearings) (Imperial) 25578-25530RB

The 25578-25530RB is a single-row tapered roller bearing with a 1.6875″ bore and 3.3125″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 20300 lbf radially and 3020 lbf thrust, suitable for demanding applications.

Its open design allows for easy lubrication, while the steel cage ensures durability. The bearing operates smoothly 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 heavy-duty machinery or automotive systems where combined loads are common.

Weighing 1.3 lb, it balances strength and practicality. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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Product Parameters

  • Part Number 25578-25530RB
  • Brand TFL
  • Interchangeable Timken
  • Size 1.6875" x 3.3125" x 0.9376"
  • Bore Dia 1.6875"
  • 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 0.09"
  • Cup Backface ToClear Radius 0.03"
  • Cone Frontface Backing Diameter 1.95"
  • Cone Backface Backing Diameter 2.09"
  • 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 25578
  • 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

Why Choose 25578-25530RB Bearing for Combined Loads?

25578-25530RB Bearing is built with chrome steel rings and rollers, offering strong resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 20,300 lbf, making it suitable for heavy-duty applications.
The steel cage ensures proper roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

How Is 25578-25530RB Bearing Engineered for Reliability?

25578-25530RB Bearing features a single-row tapered roller design, ideal for handling combined loads efficiently.
The chrome steel construction provides durability and resistance to wear under high stress.
Its standard radial clearance options (C3/C4/C5) allow for flexibility in different applications.
With an ABEC-1 rating, it ensures consistent performance in industrial settings.

Built for Durability: 25578-25530RB Bearing

25578-25530RB Bearing’s chrome steel rollers and rings enhance its load-bearing capacity and longevity.
The steel cage maintains roller positioning, ensuring smooth operation even under heavy loads.
Its effective centre location of -0.25″ optimises load distribution, reducing stress on components.
The bearing operates reliably within a wide temperature range, from -30° to 110°C.

Application

Industrial Uses of 25578-25530RB Bearing
25578-25530RB Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads efficiently. The chrome steel construction ensures durability even in tough working conditions.

Where Is 25578-25530RB Bearing Used?
You’ll often find 25578-25530RB Bearing in automotive axles and wheel hubs, thanks to its ability to manage both radial and thrust loads. Its inch sizing makes it a go-to choice for American-made vehicles and machinery.

Built for Heavy-Duty Use: 25578-25530RB Bearing
25578-25530RB Bearing excels in industrial fans and conveyor systems, where its open design allows for easy lubrication and maintenance. The steel cage adds extra strength, making it reliable for continuous operation.

Automotive vs Aerospace: Applications of 25578-25530RB Bearing
In automotive settings, 25578-25530RB Bearing supports drivetrain components, while in aerospace, it’s suited for auxiliary systems due to its precise load handling. The ABEC-1 rating ensures consistent performance across both fields.

Perfect Fit for Automation: 25578-25530RB Bearing
25578-25530RB Bearing works well in automated assembly lines, where its tapered rollers provide smooth motion control. The standard radial clearance option makes it adaptable to various precision requirements.

Q&A

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