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TS (Single Row Tapered Roller Bearings) (Imperial) 45290-45221

TS (Single Row Tapered Roller Bearings) (Imperial) 45290-45221

The 45290-45221 is a single-row tapered roller bearing with a 2.25″ bore and 4.125″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 34500 lbf radially and 5090 lbf thrust, making it versatile for various applications.

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 automotive systems where combined loads are common.

Weighing 2.4 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for most environments.

The standard radial clearance and ABEC-1 rating make it suitable for general-purpose use. Its tapered roller design provides stable performance under varying load conditions.

Perfect for applications requiring durability and ease of maintenance, such as conveyor systems or heavy-duty equipment. The precise tolerances ensure a snug fit and reliable operation over time.

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Product Parameters

  • Part Number 45290-45221
  • Brand TFL
  • Interchangeable Timken
  • Size 2.25" x 4.125" x 1.1875"
  • Bore Dia 2.25"
  • 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 2.56"
  • Cone Backface Backing Diameter 2.68"
  • 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 45290
  • 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 2.4 lb

Features

How Is 45290-45221 Bearing Engineered for Reliability?

45290-45221 Bearing features chrome steel rings and rollers, providing strong resistance to combined loads.
Its dynamic radial load capacity reaches 34,500 lbf, ensuring dependable performance in tough conditions.
The steel cage maintains roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs reliably in various environments.

What Makes 45290-45221 Bearing Suitable for High-Temperature Applications?

45290-45221 Bearing is built to withstand temperatures up to 110°C without compromising performance.
The chrome steel construction ensures durability and resistance to thermal expansion.
Its open design allows for easy lubrication, maintaining smooth operation under heat stress.
The standard radial clearance options provide flexibility for different thermal conditions.

Performance Features of 45290-45221 Bearing

45290-45221 Bearing offers a dynamic thrust rating of 5,090 lbf, ideal for heavy-duty applications.
The tapered roller design efficiently handles combined radial and thrust loads.
Precision-engineered cage clearances ensure optimal roller movement and reduced wear.
With ABEC-1 rating, it balances precision and affordability for industrial use.

Why Choose 45290-45221 Bearing for Precision Tasks?

45290-45221 Bearing’s tapered rollers provide accurate load distribution for precision applications.
The chrome steel components resist wear, maintaining performance over time.
Its effective center location ensures stable operation under varying loads.
Standard radial clearance options allow for fine-tuning in specific setups.

Enhanced for Longevity: 45290-45221 Bearing

45290-45221 Bearing’s robust construction ensures a long service life even under heavy loads.
The steel cage and chrome steel rollers minimise wear, reducing maintenance needs.
With a static radial load capacity of 42,600 lbf, it handles demanding conditions reliably.
Regular lubrication further extends its operational lifespan.

Application

Key Fields for 45290-45221 Bearing
In industrial settings, 45290-45221 Bearing is commonly used in heavy machinery like gearboxes and conveyor systems, where its tapered roller design handles combined loads efficiently. The chrome steel construction ensures durability even in demanding environments.

Where Is 45290-45221 Bearing Used?
You’ll often find 45290-45221 Bearing in automotive applications, particularly in wheel hubs and differentials, thanks to its ability to manage both radial and thrust loads. Its imperial sizing makes it a fit for many North American vehicle models.

Built for Heavy-Duty Use: 45290-45221 Bearing
For construction equipment, 45290-45221 Bearing is a reliable choice, offering robust performance in excavators and cranes. The steel cage adds extra strength, making it suitable for high-load scenarios.

Medical vs Industrial: Where 45290-45221 Bearing Excels
While 45290-45221 Bearing isn’t typically used in medical devices, it shines in industrial pumps and compressors, where precision and load capacity are key. Its temperature range allows for consistent operation in varied conditions.

Practical Applications of 45290-45221 Bearing
In agricultural machinery, 45290-45221 Bearing supports components like tractor transmissions, ensuring smooth operation under heavy loads. The open design simplifies lubrication and maintenance in dusty environments.

Q&A

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