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TS (Single Row Tapered Roller Bearings) (Imperial) 73551-73875

TS (Single Row Tapered Roller Bearings) (Imperial) 73551-73875

The 73551-73875 is a single-row tapered roller bearing with a 5.5″ bore and 8.75″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 65800 lbf radially and 12800 lbf in thrust, making it versatile for heavy-duty use.

Its open design allows for easy lubrication, while the steel cage ensures durability under stress. 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 applications where robust performance is needed.

Weighing 9.4 lb, it’s built to last while maintaining precision. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Product Parameters

  • Part Number 73551-73875
  • Brand TFL
  • Interchangeable Timken
  • Size 5.5" x 8.75" x 1.375"
  • Bore Dia 5.5"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 8.75"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.245"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.9375"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.375"
  • Width Tolerance +0.014" to -0.01"
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 6.81"
  • Cone Backface Backing Diameter 6.14"
  • Cup Frontface Backing Diameter 8.19"
  • Cup Backface Backing Diameter 8.03"
  • Cage Cone Frontface Clearance 0.18"
  • Cage Cone Backface Clearance 0.21"
  • Effective Center Location 0.25"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 73551
  • Cup Part Number 73875
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 73000
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 65800 lbf
  • Static Radial Load 77000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 17100 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 12800 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 9.4 lb

Features

Performance Features of 73551-73875 Bearing

73551-73875 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 65,800 lbf, making it suitable for heavy-duty applications.
The steel cage maintains roller alignment, ensuring smooth operation and reducing wear.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

How Is 73551-73875 Bearing Engineered for Reliability?

73551-73875 Bearing features a tapered roller design, optimised for handling both radial and thrust loads.
The chrome steel construction enhances durability, while the standard radial clearance ensures consistent performance.
Its effective center location of 0.25″ provides stability under load.
This bearing is interchangeable with Timken models, offering flexibility in replacement options.

Built for Durability: 73551-73875 Bearing

73551-73875 Bearing’s single-row construction simplifies installation and maintenance.
The steel cage and chrome steel rollers work together to extend the bearing’s service life.
With a static radial load capacity of 77,000 lbf, it handles demanding industrial applications.
The open seal type allows for easy lubrication, ensuring smooth operation over time.

Steel vs Ceramic Bearings: Strengths of 73551-73875 Bearing

73551-73875 Bearing uses chrome steel for both rings and rollers, providing excellent strength and wear resistance.
Its ABEC-1 rating ensures reliable precision for various industrial uses.
The bearing’s dynamic thrust rating of 12,800 lbf makes it versatile for different load conditions.
Weighing 9.4 lb, it balances durability with manageable size for easier handling.

Application

Industrial Uses of 73551-73875 Bearing
You’ll often spot 73551-73875 Bearing in heavy machinery like construction equipment, where its tapered roller design handles combined loads effortlessly. The inch sizing makes it a go-to for North American industrial applications.

Where Is 73551-73875 Bearing Used?
In automotive axles, 73551-73875 Bearing provides reliable support, thanks to its chrome steel construction. It’s also a favourite in agricultural machinery, where durability matters.

Built for Heavy-Duty Use: 73551-73875 Bearing
This bearing shines in mining equipment, where its open design allows for easy lubrication. The steel cage ensures long-lasting performance even in tough conditions.

Automotive vs Aerospace: Applications of 73551-73875 Bearing
While 73551-73875 Bearing is common in truck wheel hubs, its precision also suits aerospace landing gear components. The ABEC-1 rating balances cost and performance.

Perfect Fit for Automation: 73551-73875 Bearing
In conveyor systems, 73551-73875 Bearing keeps things running smoothly with its standard radial clearance. The tapered rollers handle both radial and thrust loads with ease.

Q&A

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