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TS (Single Row Tapered Roller Bearings) (Imperial) 99550-99100W

TS (Single Row Tapered Roller Bearings) (Imperial) 99550-99100W

The 99550-99100W is a single-row tapered roller bearing with a 5.5″ bore and 10″ outer diameter, built from sturdy chrome steel for long-lasting performance. It handles combined loads up to 148,000 lbf radially and 26,800 lbf thrust, making it suitable for heavy-duty applications.

Its open design allows for easy lubrication, while the steel cage ensures smooth operation even under stress. The bearing works reliably in temperatures ranging from -30°C to 110°C.

This model is interchangeable with Timken bearings, offering a practical replacement option. Ideal for industrial machinery, gearboxes, or heavy equipment where high radial and thrust loads are common.

Weighing 30.8 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it meets environmental and safety requirements.

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Product Parameters

  • Part Number 99550-99100W
  • Brand TFL
  • Interchangeable Timken
  • Size 5.5" x 10" x 2.625"
  • Bore Dia 5.5"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 10"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 2.625"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 1.875"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 2.625"
  • Width Tolerance +0.014" to -0.01"
  • Cone Backface ToClear Radius 0.280"
  • Cup Backface ToClear Radius 0.03"
  • Cone Frontface Backing Diameter 7.05"
  • Cone Backface Backing Diameter 6.69"
  • Cup Frontface Backing Diameter 9.38"
  • Cup Backface Backing Diameter 8.94"
  • Cage Cone Frontface Clearance 0.19"
  • Cage Cone Backface Clearance 0.34"
  • Effective Center Location -0.48"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 99550
  • Cup Part Number 99100W
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 99000
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 148000 lbf
  • Static Radial Load 231000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 38500 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 26800 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 30.8 lb

Features

Performance Features of 99550-99100W Bearing

99550-99100W Bearing is crafted with chrome steel rings and rollers, ensuring strength and durability under heavy loads.
Its dynamic radial load capacity reaches 148,000 lbf, making it suitable for demanding industrial applications.
The steel cage maintains roller alignment, reducing friction and enhancing performance.
With a temperature range of -30° to 110°C, it operates reliably in various environments.

How Is 99550-99100W Bearing Engineered for Reliability?

99550-99100W Bearing features a single-row tapered roller design, ideal for handling combined radial and thrust loads.
The chrome steel construction resists wear, extending the bearing’s service life.
Its standard radial clearance ensures smooth operation, while the open design simplifies maintenance.
The bearing’s ABEC-1 rating guarantees consistent precision in performance.

Built for Durability: 99550-99100W Bearing

99550-99100W Bearing’s robust design includes precise tolerances, ensuring a perfect fit in machinery.
The tapered rollers distribute loads evenly, reducing stress on individual components.
With a static radial load capacity of 231,000 lbf, it excels in heavy-duty applications.
The bearing’s steel cage provides stability, even at high speeds.

Steel vs Ceramic Bearings: Strengths of 99550-99100W Bearing

99550-99100W Bearing uses chrome steel for both rings and rollers, offering excellent strength and wear resistance.
This material choice ensures reliability in high-load scenarios, unlike ceramic alternatives.
The bearing’s dynamic thrust rating of 26,800 lbf highlights its versatility.
Its standard lubrication requirement makes it easy to maintain in various conditions.

Application

Industrial Uses of 99550-99100W Bearing
99550-99100W Bearing is commonly used in heavy machinery like construction equipment and mining gear, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability even in tough working conditions.
In automotive applications, 99550-99100W Bearing fits well in truck wheel hubs and axles, providing reliable performance under high radial and thrust loads. Its imperial sizing makes it a go-to choice for North American vehicle manufacturers.

What Makes 99550-99100W Bearing a Preferred Choice?
For industrial conveyor systems, 99550-99100W Bearing offers smooth operation thanks to its standard radial clearance and robust steel cage. The open design simplifies lubrication, extending service life in dusty environments.
Farm equipment like tractors and harvesters benefit from 99550-99100W Bearing’s ability to withstand shock loads and misalignment. Its ABEC-1 rating ensures consistent performance without over-engineering for most agricultural needs.

Built for Heavy-Duty Use: 99550-99100W Bearing
In rail and transportation systems, 99550-99100W Bearing supports bogies and freight car axles, where its high dynamic load capacity is crucial. The tapered rollers distribute stress evenly, reducing wear over time.
Energy sector applications, including wind turbine gearboxes, rely on 99550-99100W Bearing for its temperature stability and long-term reliability. The steel cage prevents roller skewing during high-speed rotations.

Automotive vs Aerospace: Applications of 99550-99100W Bearing
For truck transmissions, 99550-99100W Bearing handles gear shifts smoothly due to its precise cone and cup alignment. The inch measurements ensure compatibility with legacy repair parts in commercial fleets.
While not typically used in aerospace, 99550-99100W Bearing serves well in ground support equipment like aircraft tugs. Its static load capacity exceeds requirements for towing heavy loads on tarmacs.

Perfect Fit for Automation: 99550-99100W Bearing
In steel mill roller tables, 99550-99100W Bearing withstands both radial forces from rolling stock and axial shifts during alignment. The chrome steel rollers resist deformation under extreme heat.
Paper processing machines use 99550-99100W Bearing in dryer sections where steam and moisture are present. Its corrosion-resistant materials prevent premature failure in humid operating conditions.

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