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TS (Single Row Tapered Roller Bearings) (Imperial) 74550-74853

TS (Single Row Tapered Roller Bearings) (Imperial) 74550-74853

The 74550-74853 is a single-row tapered roller bearing with a 5.5″ bore and 8.5″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 85900 lbf radially and 18600 lbf in thrust, making it a robust choice for heavy-duty applications.

Its open design allows for easy lubrication, while the steel cage ensures durability under high stress. The bearing operates smoothly in temperatures ranging from -30°C to 110°C, suitable for various industrial environments.

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for use in machinery like gearboxes or construction equipment where combined loads are common.

Weighing 14.6 lb, it’s built to last while meeting RoHS and REACH standards for safe and compliant use. The standard radial clearance ensures easy installation and maintenance.

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Product Parameters

  • Part Number 74550-74853
  • Brand TFL
  • Interchangeable Timken
  • Size 5.5" x 8.5" x 2.125"
  • Bore Dia 5.5"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 8.5"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.875"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 1.875"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 2.125"
  • Width Tolerance +0.014" to -0.01"
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 6.85"
  • Cone Backface Backing Diameter 6.22"
  • Cup Frontface Backing Diameter 8.30"
  • Cup Backface Backing Diameter 7.72"
  • Cage Cone Frontface Clearance 0.11"
  • Cage Cone Backface Clearance 0.17"
  • Effective Center Location 0.09"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 74550
  • Cup Part Number 74853
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 74000
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 85900 lbf
  • Static Radial Load 138000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 22300 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 18600 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 14.6 lb

Features

Performance Features of 74550-74853 Bearing

74550-74853 Bearing is built with chrome steel rings and rollers, ensuring strong resistance to combined loads.
Its dynamic radial load capacity reaches 85,900 lbf, making it suitable for heavy-duty applications.

The single-row tapered roller design provides effective load distribution, enhancing durability.
With a standard radial clearance, it offers reliable performance in various operating conditions.

74550-74853 Bearing operates within a temperature range of -30° to 110°C, ensuring versatility.
The steel cage maintains roller alignment, reducing friction and extending service life.

Installation is straightforward due to its open design and precise tolerances.
This bearing is interchangeable with Timken models, offering flexibility in replacements.

Application

Industrial Uses of 74550-74853 Bearing
This 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 demanding environments.

Where Is 74550-74853 Bearing Used?
You’ll often find 74550-74853 Bearing in automotive applications, particularly in wheel hubs and differential systems. Its inch sizing makes it a good fit for American-made vehicles and industrial machinery.

Built for Heavy-Duty Use: 74550-74853 Bearing
In mining and forestry equipment, 74550-74853 Bearing excels due to its high dynamic radial load capacity. The open design allows for easy lubrication, extending its service life in harsh conditions.

Automotive vs Aerospace: Applications of 74550-74853 Bearing
While 74550-74853 Bearing is popular in truck axles and heavy vehicles, it’s also suitable for certain aerospace ground support equipment. The ABEC-1 rating balances precision and cost-effectiveness for these uses.

Key Fields for 74550-74853 Bearing
This bearing is a reliable choice for industrial fans and pumps, where its standard radial clearance ensures smooth operation. The steel cage adds robustness, making it suitable for continuous use.

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