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TS (Single Row Tapered Roller Bearings) (Imperial) 74550P-74850

TS (Single Row Tapered Roller Bearings) (Imperial) 74550P-74850

The 74550P-74850 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 102,000 lbf radially and 22,000 lbf thrust, making it robust for heavy-duty use.

Its open design allows for easy lubrication, while the steel cage ensures durability under high stress. The bearing operates smoothly in temperatures 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 heavy equipment where combined loads are common.

Weighing 13.2 lb, it’s built to last with standard radial clearance and ABEC-1 precision. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Product Parameters

  • Part Number 74550P-74850
  • Brand TFL
  • Interchangeable Timken
  • Size 5.5" x 8.5" x 1.8751"
  • 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 1.375"
  • 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 74850
  • 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 13.2 lb

Features

Performance Features of 74550P-74850 Bearing

74550P-74850 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 102,000 lbf, ensuring reliable performance in heavy-duty applications.
The steel cage maintains roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs well in various environments.

How Is 74550P-74850 Bearing Engineered for Reliability?

74550P-74850 Bearing features a single-row tapered roller design, optimised for combined load handling.
The chrome steel construction provides durability, while the standard radial clearance ensures smooth operation.
Its dynamic thrust rating of 22,000 lbf makes it suitable for demanding industrial uses.
The bearing requires lubrication but offers long service life with proper maintenance.

Built for Durability: 74550P-74850 Bearing

74550P-74850 Bearing’s chrome steel components resist wear, even under high radial loads up to 138,000 lbf.
The tapered roller design distributes loads evenly, enhancing performance and longevity.
Its ABEC-1 rating ensures consistent precision in various applications.
The open seal type allows for easy lubrication and maintenance.

Steel vs Ceramic Bearings: Strengths of 74550P-74850 Bearing

74550P-74850 Bearing uses chrome steel for both rollers and rings, providing excellent strength and durability.
This material choice ensures reliable performance under heavy loads and high temperatures.
The steel cage design keeps rollers in place, reducing wear and noise.
With a weight of 13.2 lb, it balances robustness and practicality for industrial use.

Application

Industrial Uses of 74550P-74850 Bearing
The 74550P-74850 Bearing is commonly used in heavy machinery like mining equipment and construction vehicles, where its tapered roller design handles combined loads effectively. Its chrome steel construction ensures durability in tough working conditions.

In automotive applications, 74550P-74850 Bearing supports axles and wheel hubs, providing reliable performance under high radial and thrust loads. The inch sizing makes it a good fit for American and British vehicle models.

For industrial fans and pumps, 74550P-74850 Bearing’s open design allows for easy lubrication, extending its service life in continuous operation. The steel cage adds stability during high-speed rotations.

What Makes 74550P-74850 Bearing a Preferred Choice?
The 74550P-74850 Bearing is often chosen for agricultural machinery due to its ability to withstand dusty and uneven load conditions. Its standard radial clearance offers flexibility in various setups.

In conveyor systems, 74550P-74850 Bearing’s tapered rollers ensure smooth movement even under heavy loads. The ABEC-1 rating provides sufficient precision for most industrial applications.

Built for Heavy-Duty Use: 74550P-74850 Bearing
The 74550P-74850 Bearing excels in forestry equipment, where its robust design handles shock loads and vibrations. The chrome steel rollers resist wear in abrasive environments.

For railway applications, 74550P-74850 Bearing’s dynamic load capacity makes it suitable for bogies and traction motors. The temperature range ensures performance in varying climates.

Light-Duty vs Heavy-Duty: Best Uses for 74550P-74850 Bearing
In light-duty applications like small gearboxes, 74550P-74850 Bearing provides reliable performance without excessive maintenance. Its standard construction balances cost and durability.

For heavy-duty uses like crushers and presses, 74550P-74850 Bearing’s high static load rating ensures long-term reliability. The steel cage prevents roller misalignment under stress.

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