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TS (Single Row Tapered Roller Bearings) (Imperial) 555-552

TS (Single Row Tapered Roller Bearings) (Imperial) 555-552

The 555-552 is a single-row tapered roller bearing with a 2″ bore and 4.875″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 42900 lbf radially and 6590 lbf thrust, suitable for demanding applications.

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 heavy-duty machinery or automotive systems where combined loads are common.

Weighing 5.2 lb, it offers a robust build for its size. Compliant with RoHS and REACH standards, it’s a reliable option for various industrial uses.

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Product Parameters

  • Part Number 555-552
  • Brand TFL
  • Interchangeable Timken
  • Size 2" x 4.875" x 1.5"
  • Bore Dia 2"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 4.875"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.444"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 1.3125"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.5"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.09"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 2.44"
  • Cone Backface Backing Diameter 2.6"
  • Cup Frontface Backing Diameter 4.60"
  • Cup Backface Backing Diameter 4.29"
  • Cage Cone Frontface Clearance 0.08"
  • Cage Cone Backface Clearance 0.07"
  • Effective Center Location -0.37"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 555
  • Cup Part Number 552
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 555
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 42900 lbf
  • Static Radial Load 55700 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 11100 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 6590 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 5.2 lb

Features

Performance Features of 555-552 Bearing

555-552 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 42,900 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.

555-552 Bearing requires lubrication, but its robust design minimises maintenance needs.
The standard radial clearance options provide flexibility for different installation requirements.

Application

Industrial Uses of 555-552 Bearing
The 555-552 Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads efficiently. Its chrome steel construction ensures durability even in demanding environments.

Where Is 555-552 Bearing Used?
You’ll often find 555-552 Bearing in truck wheel hubs and drivetrains, where its robust design supports both radial and thrust loads. The inch sizing makes it a go-to choice for North American automotive applications.

Built for Heavy-Duty Use: 555-552 Bearing
555-552 Bearing excels in industrial fans and pumps, thanks to its high dynamic load capacity. The open design allows for easy lubrication, extending its service life in continuous operations.

Automotive vs Aerospace: Applications of 555-552 Bearing
In automotive settings, 555-552 Bearing is ideal for axles and transmissions, while its precision makes it suitable for aerospace landing gear components. The ABEC-1 rating ensures reliable performance across both sectors.

Perfect Fit for Automation: 555-552 Bearing
555-552 Bearing works well in automated conveyor systems, where its tapered rollers reduce friction during high-speed operations. The steel cage adds stability, making it a dependable choice for factory automation.

Q&A

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