+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
TS (Single Row Tapered Roller Bearings) (Imperial) 74550A-74845

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

The 74550A-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 85900 lbf radially and 18600 lbf thrust, making it a versatile choice.

Its open design allows for easy lubrication, while the steel cage ensures durability under heavy use. 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 or heavy equipment where robust performance is needed.

Weighing 12.9 lb, it’s built to last while meeting RoHS and REACH standards for safety and compliance. The standard radial clearance ensures easy installation and maintenance.

Get A Free Quote
    Description Features Application Q&A Featured Products Our Process

Product Parameters

  • Part Number 74550A-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 0.25"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 6.97"
  • Cone Backface Backing Diameter 6.54"
  • 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 74550A
  • 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 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 12.900 lb

Features

Performance Features of 74550A-74845 Bearing

74550A-74845 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 environmental conditions.

How Is 74550A-74845 Bearing Engineered for Reliability?

74550A-74845 Bearing features a single-row tapered roller design, optimised for combined load handling.
The chrome steel construction enhances durability, while the standard radial clearance allows for smooth operation.
Its dynamic thrust rating of 18,600 lbf ensures consistent performance under demanding conditions.
The bearing requires lubrication, but its robust design minimises maintenance needs.

Built for Durability: 74550A-74845 Bearing

74550A-74845 Bearing’s chrome steel components provide excellent wear resistance, even under high loads.
The tapered roller design distributes stress evenly, improving fatigue life.
With an ABEC-1 rating, it balances precision and affordability for various industrial uses.
Its standard cup type and open seal design simplify installation and maintenance.

Steel vs Ceramic Bearings: Strengths of 74550A-74845 Bearing

74550A-74845 Bearing uses chrome steel for both rollers and rings, ensuring cost-effective durability.
The steel cage provides reliable roller guidance, reducing wear over time.
With a static radial load capacity of 138,000 lbf, it handles heavy loads without compromising performance.
The bearing’s inch measurements make it compatible with imperial system machinery.

Application

Industrial Uses of 74550A-74845 Bearing
74550A-74845 Bearing is commonly used in heavy machinery like construction equipment and mining tools, where its tapered roller design handles combined loads efficiently. The chrome steel construction ensures durability even in demanding environments.

Where Is 74550A-74845 Bearing Used?
In automotive applications, 74550A-74845 Bearing supports wheel hubs and differential systems, providing reliable performance under high stress. Its inch sizing makes it a fit for many North American vehicle models.

Built for Heavy-Duty Use: 74550A-74845 Bearing
For industrial conveyors, 74550A-74845 Bearing’s open design allows easy lubrication, extending service life in continuous operation. The steel cage adds stability during high-load scenarios.

Automotive vs Aerospace: Applications of 74550A-74845 Bearing
In automotive systems, 74550A-74845 Bearing excels in transmissions, while in aerospace, it’s suited for auxiliary gearboxes. Its ABEC-1 rating balances precision and cost-effectiveness.

Key Fields for 74550A-74845 Bearing
74550A-74845 Bearing is ideal for agricultural machinery, such as tractors, where its robust design withstands dirt and debris. The standard radial clearance ensures smooth rotation in variable conditions.

Q&A

SEND INQUIRY