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TS (Single Row Tapered Roller Bearings) (Imperial) 74550P-74845

TS (Single Row Tapered Roller Bearings) (Imperial) 74550P-74845

The 74550P-74845 is a single-row tapered roller bearing with a 5.5″ bore and 8.4636″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 102,000 lbf radially and 22,000 lbf 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 varied environments.

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for industrial machinery, gearboxes, or vehicles where combined loads are common.

Weighing 12.9 lb, it’s built for strength and longevity. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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Product Parameters

  • Part Number 74550P-74845
  • Brand TFL
  • Interchangeable Timken
  • Size 5.5" x 8.4636" x 1.8751"
  • Bore Dia 5.5"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 8.4636"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.875"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 1.375"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.8751"
  • Width Tolerance +0.014" to -0.01"
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 6.97"
  • Cone Backface Backing Diameter 6.3"
  • Cup Frontface Backing Diameter 8.23"
  • 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 74550P
  • Cup Part Number 74845
  • 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 102000 lbf
  • Static Radial Load 138000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 26400 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 22000 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 12.900 lb

Features

Performance Features of 74550P-74845 Bearing

74550P-74845 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 102,000 lbf, making it suitable for heavy-duty applications.

The single-row tapered roller design ensures smooth operation and efficient load distribution.
With a standard radial clearance, it provides reliable performance in various conditions.

74550P-74845 Bearing operates within a temperature range of -30° to 110°C, ensuring versatility.
The steel cage maintains roller alignment, reducing wear and extending service life.

This bearing requires lubrication but offers durability and consistent performance.
Its ABEC-1 rating ensures precision for industrial applications.

Application

Industrial Uses of 74550P-74845 Bearing
The 74550P-74845 Bearing is commonly used in heavy machinery, such as construction equipment and mining rigs, where its tapered roller design handles combined loads efficiently. Its chrome steel construction ensures durability in demanding environments.

Where Is 74550P-74845 Bearing Used?
You’ll often find the 74550P-74845 Bearing in agricultural machinery, supporting gearboxes and axles that require reliable performance under heavy loads. Its inch sizing makes it a preferred choice for North American equipment manufacturers.

Built for Heavy-Duty Use: 74550P-74845 Bearing
The 74550P-74845 Bearing excels in industrial fans and pumps, where its open design allows for easy lubrication and maintenance. The steel cage adds stability, even at high speeds.

Automotive vs Aerospace: Applications of 74550P-74845 Bearing
In automotive applications, the 74550P-74845 Bearing is ideal for wheel hubs and drivetrains, offering smooth operation. For aerospace, its precision meets the demands of auxiliary systems.

Perfect Fit for Automation: 74550P-74845 Bearing
The 74550P-74845 Bearing works well in automated conveyor systems, where its tapered rollers manage both radial and thrust loads. Its standard radial clearance ensures consistent performance.

Q&A

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