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TS (Single Row Tapered Roller Bearings) (Imperial) HH258248-HH258210

TS (Single Row Tapered Roller Bearings) (Imperial) HH258248-HH258210

The HH258248-HH258210 is a single-row tapered roller bearing with a large 11.81″ bore and 19.5″ outer diameter, built from tough chrome steel. It handles combined loads up to 645,000 lbf radially and 95,200 lbf thrust, making it suitable for heavy-duty applications.

Its pin-type cage design ensures smooth operation, while the open seal allows for easy lubrication. The bearing operates in temperatures from -30°C to 110°C, ideal for industrial environments.

This model is interchangeable with Timken bearings, offering a reliable replacement option. Perfect for use in large machinery, construction equipment, or heavy transport where durability is key.

Weighing 243.50 lb, it’s built to last and complies with RoHS and REACH standards for safety and environmental care.

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Product Parameters

  • Part Number HH258248-HH258210
  • Brand TFL
  • Interchangeable Timken
  • Size 11.81" x 19.5" x 5.5625"
  • Bore Dia 11.81"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 19.5"
  • Outer Dia Tolerance +0.002" to 0
  • Cone Width 5.5625"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 4.5"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 5.5625"
  • Width Tolerance +0.014" to -0.01"
  • Cone Backface ToClear Radius 0.25"
  • Cup Backface ToClear Radius 0.250"
  • Cone Frontface Backing Diameter 14.22"
  • Cone Backface Backing Diameter 13.46"
  • Cup Frontface Backing Diameter 18.43"
  • Cup Backface Backing Diameter 17.64"
  • Cage Cone Frontface Clearance 0.36"
  • Cage Cone Backface Clearance 0.36"
  • Effective Center Location -1.36"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number HH258248
  • Cup Part Number HH258210
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series HH258200
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Pin-Type
  • Dynamic Radial Load 645000 lbf
  • Static Radial Load 1270000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 167000 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 95200 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 243.50 lb

Features

Performance Features of HH258248-HH258210 Bearing

HH258248-HH258210 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 645,000 lbf, making it suitable for heavy-duty applications.
The pin-type cage ensures proper roller alignment, reducing friction and enhancing durability.
With a temperature range of -30° to 110°C, it performs reliably in various operating conditions.

How Is HH258248-HH258210 Bearing Engineered for Reliability?

HH258248-HH258210 Bearing features a single-row tapered roller design, optimised for combined load handling.
The chrome steel construction provides excellent strength and wear resistance for long service life.
Precision tolerances ensure smooth operation, even under high radial and thrust loads.
Its standard radial clearance allows for reliable performance in diverse industrial applications.

Built for Durability: HH258248-HH258210 Bearing

HH258248-HH258210 Bearing’s robust design withstands static radial loads up to 1,270,000 lbf.
The tapered roller configuration distributes loads evenly, reducing stress on individual components.
Its pin-type cage maintains proper roller spacing, preventing premature wear.
With ABEC-1 precision rating, it balances performance and cost-effectiveness for industrial use.

Steel vs Ceramic Bearings: Strengths of HH258248-HH258210 Bearing

HH258248-HH258210 Bearing uses chrome steel for both rings and rollers, offering proven reliability.
This material choice provides excellent load capacity and fatigue resistance in demanding environments.
The bearing’s large size (11.81″ bore) makes it ideal for heavy machinery applications.
Proper lubrication ensures optimal performance throughout its extended service life.

Application

Industrial Uses of HH258248-HH258210 Bearing
HH258248-HH258210 Bearing is commonly used in heavy machinery like mining equipment and construction vehicles, where its tapered roller design handles combined radial and thrust loads effectively. The chrome steel construction ensures durability even in demanding environments.

In automotive applications, HH258248-HH258210 Bearing fits well in large truck axles and wheel hubs, providing reliable performance under heavy loads. Its imperial sizing makes it a preferred choice for North American vehicle manufacturers.

For industrial gearboxes, HH258248-HH258210 Bearing’s pin-type cage design reduces friction, enhancing efficiency in high-torque scenarios. The standard radial clearance also allows for smooth operation in varied temperature conditions.

Where Is HH258248-HH258210 Bearing Used?
You’ll often find HH258248-HH258210 Bearing in agricultural machinery, such as tractors and harvesters, where its robust build withstands rough terrain. The open seal design simplifies maintenance in dusty conditions.

In railway applications, HH258248-HH258210 Bearing supports axle boxes, ensuring stable performance under constant vibration. Its high dynamic radial load capacity makes it suitable for long-haul trains.

Built for Heavy-Duty Use: HH258248-HH258210 Bearing
HH258248-HH258210 Bearing excels in steel mills and foundries, where extreme loads and temperatures are common. The chrome steel rollers resist wear, extending service life.

For marine equipment, HH258248-HH258210 Bearing’s corrosion-resistant materials perform reliably in salty environments. Its ABEC-1 rating ensures consistent precision in ship propulsion systems.

Automotive vs Aerospace: Applications of HH258248-HH258210 Bearing
In automotive settings, HH258248-HH258210 Bearing handles the heavy loads of commercial vehicles, while in aerospace, its precision supports landing gear mechanisms. The tapered design adapts well to both industries.

For wind turbines, HH258248-HH258210 Bearing’s dynamic thrust rating ensures smooth rotation under variable wind loads. Its durability reduces downtime in remote installations.

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