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TS (Single Row Tapered Roller Bearings) (Metric) 31311

TS (Single Row Tapered Roller Bearings) (Metric) 31311

The 449-432AB is a single-row tapered roller bearing with a flange, measuring 1.375″ x 3.625″ x 1.1772″. Made from durable chrome steel, it handles combined loads up to 28500 lbf radially and 3600 lbf thrust.

Its open design allows easy lubrication, while the steel cage ensures smooth operation. The flanged cup helps with secure mounting, making it suitable for heavy-duty applications.

This bearing is interchangeable with Timken models, offering a reliable replacement option. Ideal for use in industrial machinery or automotive systems where combined loads are common.

It operates in temperatures from -30°C to 110°C and weighs 2.3 lb. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number 31311
  • Brand TFL
  • Interchangeable Brand Timken
  • System of Measurement Metric
  • Type Bearing
  • Sizes 55 mm x 120 mm x 31.5 mm
  • Cone Part Number X31311M
  • Cup Part Number Y31311M
  • Bore Dia 55 mm
  • Bore Dia Tolerance -0.015mm to 0
  • Outer Dia 120 mm
  • Outer Dia Tolerance -0.018mm to 0
  • Cone Width 29 mm
  • Cone Width Tolerance -0.15mm to 0
  • Cup Width 21 mm
  • Cup Width Tolerance -0.2mm to 0
  • Width 31.5 mm
  • Width Tolerance +0.2mm to 0
  • Cone Backface ToClear Radius 2.54 mm
  • Cup Backface ToClear Radius 2.03 mm
  • Cone Frontface Backing Diameter 68 mm
  • Cone Backface Backing Diameter 82 mm
  • Cup Frontface Backing Diameter 115.10 mm
  • Cup Backface Backing Diameter 103.12 mm
  • Cage Cone Frontface Clearance 4.3 mm
  • Cage Cone Backface Clearance 3.8 mm
  • Effective Center Location 6.9 mm
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 31311M
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 38700 lbf
  • Static Radial Load 35325 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 10035 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 14175 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 3.53 lb

Features

Performance Features of 449-432AB Bearing

449-432AB Bearing is crafted from chrome steel for both rings and rollers, offering robust resistance to combined loads.
Its dynamic radial load capacity reaches 28,500 lbf, making it suitable for heavy-duty applications.
The flanged cup design enhances stability during operation, ensuring consistent performance.
With a temperature range of -30° to 110°C, it performs reliably in various environments.

How Is 449-432AB Bearing Engineered for Reliability?

449-432AB Bearing features a single-row tapered roller design, optimised for handling both radial and thrust loads.
The steel cage maintains proper roller alignment, reducing friction and wear.
Its ABEC-1 rating ensures precision, while the standard radial clearance allows for smooth operation.
The flange on the cup provides added support, preventing misalignment during use.

Built for Durability: 449-432AB Bearing

449-432AB Bearing’s chrome steel construction ensures long-lasting performance under demanding conditions.
The tapered roller design distributes loads evenly, extending the bearing’s service life.
With a static radial load capacity of 32,400 lbf, it handles high-stress applications with ease.
The open seal type allows for easy lubrication, maintaining optimal performance over time.

Application

Industrial Uses of 449-432AB Bearing
The 449-432AB Bearing is commonly used in heavy machinery like conveyor systems and industrial gearboxes, where its tapered roller design handles combined loads efficiently. Its flanged cup provides added stability, making it suitable for high-vibration environments.

In automotive applications, 449-432AB Bearing supports wheel hubs and differential systems, thanks to its robust chrome steel construction. The inch sizing ensures compatibility with a wide range of American and international vehicle models.

For construction equipment, 449-432AB Bearing’s durability shines in excavators and cranes, where it withstands heavy radial and thrust loads. The steel cage enhances its longevity, even in demanding outdoor conditions.

Automation systems benefit from 449-432AB Bearing’s precision, particularly in robotic arms and assembly lines. Its open design allows for easy lubrication, ensuring smooth operation over long periods.

In agricultural machinery, 449-432AB Bearing proves reliable in tractors and harvesters, where its tapered rollers manage uneven loads effectively. The standard radial clearance offers flexibility for various operational needs.

Q&A

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