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TS (Single Row Tapered Roller Bearings) (Imperial) 555-S-553A

TS (Single Row Tapered Roller Bearings) (Imperial) 555-S-553A

The 555-S-553A is a single-row tapered roller bearing with a 2.25″ bore and 4.9213″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 50800 lbf radially and 7810 lbf thrust, making it suitable 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 use in industrial machinery, gearboxes, or automotive systems where combined loads are common.

Weighing 4.9 lb, it’s built to last with standard radial clearance and ABEC-1 precision. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Product Parameters

  • Part Number 555-S-553A
  • Brand TFL
  • Interchangeable Timken
  • Size 2.25" x 4.9213" x 1.5"
  • Bore Dia 2.25"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 4.9213"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.444"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 1.1875"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.5"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 2.76"
  • Cone Backface Backing Diameter 2.99"
  • 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-S
  • Cup Part Number 553A
  • 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 50800 lbf
  • Static Radial Load 55700 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 13200 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 7810 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 4.900 lb

Features

Performance Features of 555-S-553A Bearing

555-S-553A Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 50,800 lbf, making it suitable for heavy-duty applications.

The steel cage maintains roller alignment, ensuring smooth operation and reduced wear.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

555-S-553A Bearing requires lubrication, but its robust design minimises maintenance needs.
The standard radial clearance allows for flexibility in different operational setups.

Application

Key Fields for 555-S-553A Bearing
The 555-S-553A Bearing is widely used in heavy machinery, such as construction equipment and mining tools, where its tapered roller design handles combined loads efficiently. Its chrome steel construction ensures durability in demanding environments.

In automotive applications, 555-S-553A Bearing is often found in wheel hubs and differential systems, providing reliable performance under high stress. The inch sizing makes it compatible with many North American vehicle models.

For industrial gearboxes, 555-S-553A Bearing’s open design allows for easy lubrication, extending service life in continuous operation. The steel cage adds stability, reducing wear during high-speed rotations.

What Makes 555-S-553A Bearing a Preferred Choice?
The 555-S-553A Bearing excels in agricultural machinery, supporting components like tractor transmissions with its robust load capacity. Its standard radial clearance offers flexibility for various operating conditions.

In material handling systems, 555-S-553A Bearing ensures smooth conveyor belt operation, thanks to its tapered rollers distributing loads evenly. The ABEC-1 rating balances precision and cost-effectiveness for general industrial use.

Built for Heavy-Duty Use: 555-S-553A Bearing
The 555-S-553A Bearing is ideal for forestry equipment, where its combined load capability handles rough terrain vibrations. The chrome steel rollers resist deformation under heavy radial and thrust forces.

For railway applications, 555-S-553A Bearing provides reliable performance in axle boxes, enduring constant vibration and shock loads. Its temperature range suits both cold and moderate climates.

Automotive vs Aerospace: Applications of 555-S-553A Bearing
In automotive drivetrains, 555-S-553A Bearing supports high-torque scenarios like truck differentials, while its inch sizing simplifies maintenance. The steel cage prevents roller skewing during sudden load changes.

For ground support equipment in aerospace, 555-S-553A Bearing handles heavy loads in aircraft tugs and cargo loaders. Its standard lubrication requirement fits typical maintenance schedules.

Q&A

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