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TS (Single Row Tapered Roller Bearings) (Imperial) 15578-15520RB

TS (Single Row Tapered Roller Bearings) (Imperial) 15578-15520RB

The 15578-15520RB is a single-row tapered roller bearing with a 1″ bore and 2.25″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 12300 lbf radially and 1880 lbf thrust, making it versatile for various applications.

Its open design allows for easy lubrication, while the steel cage ensures durability. 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 use in automotive or industrial settings where combined loads are common.

Weighing just 0.5 lb, it’s lightweight yet robust. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Product Parameters

  • Part Number 15578-15520RB
  • Brand TFL
  • Interchangeable Timken
  • Size 1" x 2.25" x 0.6876"
  • Bore Dia 1"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 2.25"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 0.6875"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.5313"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 0.6876"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.050"
  • Cup Backface ToClear Radius 0.06"
  • Cone Frontface Backing Diameter 1.2"
  • Cone Backface Backing Diameter 1.28"
  • Cup Frontface Backing Diameter 2.11"
  • Cup Backface Backing Diameter 2.01"
  • Cage Cone Frontface Clearance 0.1"
  • Cage Cone Backface Clearance 0"
  • Effective Center Location -0.2"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 15578
  • Cup Part Number 15520RB
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 15500
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 12300 lbf
  • Static Radial Load 11300 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 3180 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 1880 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 0.5 lb

Features

How Is 15578-15520RB Bearing Engineered for Reliability?

15578-15520RB Bearing features chrome steel rings and rollers, ensuring strength and durability under combined loads.
Its dynamic radial load capacity of 12300 lbf makes it suitable for 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 reliably in various environments.

What Makes 15578-15520RB Bearing Suitable for High-Temperature Applications?

15578-15520RB Bearing is constructed with chrome steel, which maintains integrity in temperatures up to 110°C.
The open design allows for effective lubrication, preventing overheating during operation.
Its standard radial clearance options ensure smooth performance even under thermal expansion.
This makes it a dependable choice for industrial and automotive uses.

Designed for Durability: 15578-15520RB Bearing

15578-15520RB Bearing’s tapered roller design efficiently handles both radial and thrust loads.
The chrome steel components resist wear, ensuring long service life in demanding conditions.
With a static radial load capacity of 11300 lbf, it offers reliable performance under heavy loads.
Its ABEC-1 rating guarantees consistent precision in various applications.

Application

Industrial Uses of 15578-15520RB Bearing
15578-15520RB 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 even in demanding environments.

In automotive applications, 15578-15520RB Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. Its inch sizing makes it compatible with many American vehicle models.

For industrial conveyor systems, 15578-15520RB Bearing offers smooth operation and easy maintenance due to its open design. The standard radial clearance allows for flexibility in different operating conditions.

Why Is 15578-15520RB Bearing Essential in Machinery?
15578-15520RB Bearing supports high-load scenarios in mining equipment, where its robust design prevents premature wear. The steel cage adds extra strength for prolonged use.

In power transmission systems, 15578-15520RB Bearing ensures efficient performance with minimal friction. Its ABEC-1 rating makes it suitable for general precision requirements.

Built for Heavy-Duty Use: 15578-15520RB Bearing
15578-15520RB Bearing excels in forestry machinery, handling rough terrain and shock loads with ease. The tapered rollers distribute stress evenly, enhancing longevity.

For pump systems, 15578-15520RB Bearing provides reliable support under continuous operation. Its temperature range of -30° to 110°C ensures stability in various climates.

Automotive vs Aerospace: Applications of 15578-15520RB Bearing
In automotive settings, 15578-15520RB Bearing is ideal for drivetrain components, offering durability and load capacity. The inch measurements simplify replacements in older models.

For aerospace ground equipment, 15578-15520RB Bearing handles moderate loads efficiently. Its chrome steel rollers resist wear, making it a practical choice for support machinery.

Q&A

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