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

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

The 74550-74850W 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 thrust, making it robust for heavy-duty use.

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

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for applications like heavy machinery or automotive systems where combined loads are common.

Weighing 13.2 lb, it’s built to last while meeting RoHS and REACH standards for safety and compliance. The standard radial clearance ensures versatility in different setups.

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Product Parameters

  • Part Number 74550-74850W
  • 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 6.85"
  • Cone Backface Backing Diameter 6.22"
  • 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 74550
  • Cup Part Number 74850W
  • 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 13.2 lb

Features

Performance Features of 74550-74850W Bearing

74550-74850W Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 85,900 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 74550-74850W Bearing Engineered for Reliability?

74550-74850W 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 18,600 lbf at 90 million revolutions highlights long-term reliability.
This bearing is interchangeable with Timken models, offering flexibility in replacements.

Built for Durability: 74550-74850W Bearing

74550-74850W Bearing’s chrome steel components resist wear, even under high static radial loads of 138,000 lbf.
The open seal design allows for easy lubrication, maintaining performance over time.
With an ABEC-1 rating, it balances precision and cost-effectiveness for industrial applications.
Its effective centre location of 0.09″ ensures stable operation under varying loads.

Application

Industrial Uses of 74550-74850W Bearing
74550-74850W Bearing is commonly used in heavy machinery like construction equipment, where its tapered roller design handles combined radial and thrust loads effectively. The chrome steel construction ensures durability even in demanding environments.

Where Is 74550-74850W Bearing Used?
You’ll often find 74550-74850W Bearing in agricultural machinery, supporting components like gearboxes and axles. Its inch sizing makes it a reliable choice for North American equipment.

Built for Heavy-Duty Use: 74550-74850W Bearing
74550-74850W Bearing excels in mining applications, where its robust design withstands high loads and harsh conditions. The steel cage adds extra strength for long-lasting performance.

Automotive vs Aerospace: Applications of 74550-74850W Bearing
In automotive systems, 74550-74850W Bearing supports wheel hubs and differentials, while in aerospace, it’s used in landing gear assemblies. Its precision tolerances ensure smooth operation in both fields.

Practical Applications of 74550-74850W Bearing
74550-74850W Bearing is ideal for industrial fans and pumps, where its tapered rollers manage varying loads efficiently. The open design allows for easy lubrication, extending service life.

Q&A

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