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TS (Single Row Tapered Roller Bearings) (Imperial) 74550P-74856

TS (Single Row Tapered Roller Bearings) (Imperial) 74550P-74856

The 74550P-74856 is a single-row tapered roller bearing with a 5.5″ bore and 8.5625″ 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.

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

Weighing 13.5 lb, it’s built to last while meeting RoHS and REACH standards for safety and compliance. The standard radial clearance ensures versatility across various applications.

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Product Parameters

  • Part Number 74550P-74856
  • Brand TFL
  • Interchangeable Timken
  • Size 5.5" x 8.5625" x 1.8751"
  • Bore Dia 5.5"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 8.5625"
  • 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 8.30"
  • Cup Backface Backing Diameter 7.76"
  • 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 74856
  • 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 13.5 lb

Features

Performance Features of 74550P-74856 Bearing

74550P-74856 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 single-row tapered roller design provides effective load distribution, reducing wear and extending service life.
With a standard radial clearance, it balances durability and efficiency in various operating conditions.

74550P-74856 Bearing operates within a temperature range of -30° to 110°C, suitable for diverse environments.
The steel cage maintains roller alignment, enhancing stability and reducing maintenance needs.

This bearing requires lubrication but offers long-lasting performance with proper care.
Its ABEC-1 rating ensures consistent precision for industrial applications.

Application

Industrial Uses of 74550P-74856 Bearing
74550P-74856 Bearing is commonly used in heavy machinery like mining equipment and construction vehicles, where its tapered roller design handles combined radial and thrust loads effectively. The chrome steel construction ensures durability in tough working conditions.

Where Is 74550P-74856 Bearing Used?
In agricultural machinery, 74550P-74856 Bearing supports components like gearboxes and axles, providing reliable performance under heavy loads. Its inch sizing makes it a good fit for North American equipment standards.

Built for Heavy-Duty Use: 74550P-74856 Bearing
74550P-74856 Bearing excels in industrial fans and pumps, where its open design allows for easy lubrication and maintenance. The steel cage adds strength, making it suitable for high-load applications.

Automotive vs Aerospace: Applications of 74550P-74856 Bearing
In automotive systems, 74550P-74856 Bearing is often found in wheel hubs and differentials, offering stability under varying loads. For aerospace, its precision engineering meets the demands of auxiliary equipment.

Key Fields for 74550P-74856 Bearing
74550P-74856 Bearing is a reliable choice for railway applications, particularly in bogies and traction motors. Its standard radial clearance ensures smooth operation even under continuous use.

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