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

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

The 74550-74850P is a single-row tapered roller bearing with a 5.5″ bore and 8.5″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 85900 lbf radial and 18600 lbf thrust, suitable for heavy-duty use.

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

This model is interchangeable with Timken bearings, making it a practical choice for replacements. Ideal for industrial machinery or automotive applications where robust performance is needed.

Weighing 13.1 lb, it offers a balance of strength and reliability. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Product Parameters

  • Part Number 74550-74850P
  • 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 74850P
  • 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 13.1 lb

Features

Performance Features of 74550-74850P Bearing

74550-74850P Bearing is crafted from chrome steel for both rings and rollers, ensuring strength and durability.
Its dynamic radial load capacity reaches 85,900 lbf, making it suitable for heavy-duty applications.

The tapered roller design efficiently handles combined loads, providing reliable performance.
With a standard radial clearance, it offers flexibility for various operational needs.

74550-74850P Bearing operates within a temperature range of -30° to 110°C, adapting to different environments.
Its steel cage maintains roller alignment, reducing wear and extending service life.

The bearing requires lubrication, ensuring smooth operation and reducing friction.
Its ABEC-1 rating guarantees consistent performance for industrial applications.

Application

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

In automotive applications, 74550-74850P Bearing fits well in truck wheel hubs and differential systems, providing reliable performance under high radial and thrust loads. The imperial sizing makes it a straightforward replacement for Timken equivalents.

For industrial fans and pumps, 74550-74850P Bearing’s open design allows easy lubrication, extending service life in continuous operation. The steel cage adds strength, making it suitable for high-vibration environments.

What Makes 74550-74850P Bearing a Preferred Choice?
Its standard radial clearance options (C3/C4/C5) make 74550-74850P Bearing versatile for various precision needs, from conveyor systems to agricultural machinery. The ABEC-1 rating balances cost and performance for general industrial use.

The 74550-74850P Bearing’s effective center location design improves load distribution, reducing wear in applications like gearboxes. Its compatibility with Timken models simplifies maintenance and part sourcing.

Built for Heavy-Duty Use: 74550-74850P Bearing
With a dynamic radial load capacity of 85,900 lbf, 74550-74850P Bearing excels in applications like crane booms and rolling mills. The tapered rollers ensure smooth rotation under heavy stress.

The 74550-74850P Bearing’s temperature range (-30° to 110°C) suits it for outdoor equipment exposed to varying climates. Its steel cage and chrome steel rollers resist deformation under prolonged use.

Automotive vs Aerospace: Applications of 74550-74850P Bearing
In automotive settings, 74550-74850P Bearing handles wheel and transmission loads reliably, while its imperial sizing aligns with North American standards. The static radial load rating of 138,000 lbf ensures longevity.

For aerospace ground support equipment, 74550-74850P Bearing’s robustness suits load-bearing components like cargo lifts. Its compliance with RoHS and REACH standards adds to its suitability for regulated industries.

Q&A

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