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TS (Single Row Tapered Roller Bearings) (Imperial) 45285-45221

TS (Single Row Tapered Roller Bearings) (Imperial) 45285-45221

The 45285-45221 is a single-row tapered roller bearing with a 2″ bore and 4.125″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 34500 lbf radially and 5090 lbf thrust-wise, making it versatile for various applications.

Its open design allows 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 automotive systems where combined loads are common.

Weighing 2.7 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Product Parameters

  • Part Number 45285-45221
  • Brand TFL
  • Interchangeable Timken
  • Size 2" x 4.125" x 1.1875"
  • Bore Dia 2"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 4.125"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.2188"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.9375"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.1875"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.09"
  • Cup Backface ToClear Radius 0.03"
  • Cone Frontface Backing Diameter 2.32"
  • Cone Backface Backing Diameter 2.48"
  • Cup Frontface Backing Diameter 3.94"
  • Cup Backface Backing Diameter 3.74"
  • Cage Cone Frontface Clearance 0.1"
  • Cage Cone Backface Clearance 0.07"
  • Effective Center Location -0.32"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 45285
  • Cup Part Number 45221
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 45200
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 34500 lbf
  • Static Radial Load 42600 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 8930 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 5090 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 2.700 lb

Features

Performance Features of 45285-45221 Bearing

45285-45221 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 34,500 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 45285-45221 Bearing Engineered for Reliability?

45285-45221 Bearing features a tapered roller design, optimised for handling both radial and thrust loads.
The chrome steel construction enhances durability, while the standard radial clearance allows for smooth operation.
Its ABEC-1 rating ensures consistent precision in industrial applications.
The open design simplifies lubrication, maintaining performance over time.

Built for Durability: 45285-45221 Bearing

45285-45221 Bearing’s single-row construction provides stability under high combined loads.
The precise tolerances on bore and outer diameters ensure a secure fit in various assemblies.
With a static radial load capacity of 42,600 lbf, it excels in demanding environments.
The steel cage and chrome steel rollers work together to minimise wear and tear.

Steel vs Ceramic Bearings: Strengths of 45285-45221 Bearing

45285-45221 Bearing uses chrome steel for both rings and rollers, balancing cost and performance.
This material choice provides excellent strength and wear resistance in industrial settings.
The bearing’s dynamic thrust rating of 5,090 lbf makes it versatile for different load types.
Its standard radial clearance options (C3/C4/C5) allow for customisation based on application needs.

Application

Industrial Uses of 45285-45221 Bearing
This bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads efficiently. The chrome steel construction ensures durability even in tough working conditions.

What Makes 45285-45221 Bearing a Preferred Choice?
In automotive applications, 45285-45221 Bearing fits well in wheel hubs and drivetrains, offering reliable performance under radial and thrust loads. Its inch sizing makes it compatible with many North American vehicle models.

Built for Heavy-Duty Use: 45285-45221 Bearing
You’ll find this bearing in industrial fans and pumps, where its open design allows for easy lubrication and maintenance. The steel cage adds extra strength, making it suitable for high-load scenarios.

Automotive vs Aerospace: Applications of 45285-45221 Bearing
While often used in trucks and tractors, 45285-45221 Bearing also suits aerospace ground support equipment. Its standard radial clearance provides flexibility for various operational demands.

Perfect Fit for Automation: 45285-45221 Bearing
In conveyor systems and robotic arms, 45285-45221 Bearing ensures smooth movement with minimal friction. The ABEC-1 rating balances precision and cost-effectiveness for industrial automation needs.

Q&A

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