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TS (Single Row Tapered Roller Bearings) (Metric) 30311
TS (Single Row Tapered Roller Bearings) (Metric) 30311

TS (Single Row Tapered Roller Bearings) (Metric) 30311

The TSF 449-432-B is a single-row tapered roller bearing with a flange, measuring 1.375″ x 3.75″ 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 flange provides added stability, making it suitable for high-load 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.

With a temperature range of -30°C to 110°C, it performs well in various conditions. Compliant with RoHS and REACH standards, it’s a safe and robust choice. Weighing 2.5 lb, it’s sturdy yet manageable for its size.

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Product Parameters

  • Part Number 30311
  • Brand TFL
  • Interchangeable Brand Timken
  • System of Measurement Metric
  • Type Bearing
  • Sizes 55 mm x 120 mm x 31.5 mm
  • Cone Part Number X30311M
  • Cup Part Number Y30311M
  • 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 25 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 67 mm
  • Cone Backface Backing Diameter 71 mm
  • Cup Frontface Backing Diameter 114.00 mm
  • Cup Backface Backing Diameter 107.95 mm
  • Cage Cone Frontface Clearance 3.8 mm
  • Cage Cone Backface Clearance 2 mm
  • Effective Center Location -6.6 mm
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 30311M
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 39150 lbf
  • Static Radial Load 42750 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 10147.5 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 5985 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 449-432-B Bearing

449-432-B Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 28,500 lbf, ensuring reliable performance in tough conditions.
The flanged cup design provides better alignment and stability during operation.
With a temperature range of -30° to 110°C, it performs well in various environments.

How Does 449-432-B Bearing Resist Wear?

449-432-B Bearing’s tapered roller design distributes loads evenly, reducing wear and extending service life.
The steel cage keeps the rollers in place, maintaining smooth operation under heavy loads.
Its chrome steel construction resists corrosion, ensuring durability in harsh conditions.
Standard radial clearance options allow for flexibility in different applications.

Engineered for Precision: 449-432-B Bearing

449-432-B Bearing features precise tolerances, with bore diameter accuracy of +0.005″ to 0.
The effective center location of -0.36″ ensures optimal load distribution and alignment.
Its ABEC-1 rating guarantees consistent performance for general industrial use.
The flanged cup design simplifies installation and improves mounting stability.

Steel vs Ceramic Bearings: Strengths of 449-432-B Bearing

449-432-B Bearing’s chrome steel construction provides excellent strength and durability.
It handles dynamic thrust loads up to 3,600 lbf, making it suitable for demanding applications.
The steel cage offers reliable performance without the brittleness of ceramic alternatives.
With a weight of 2.5 lb, it balances robustness and practicality for industrial use.

Application

Industrial Uses of 449-432-B Bearing
449-432-B Bearing is commonly used in heavy machinery like construction equipment, where its tapered roller design handles combined loads effectively. The flanged cup adds stability, making it suitable for rough operating conditions.

In automotive applications, 449-432-B Bearing fits well in wheel hubs and differential systems, thanks to its precise inch measurements. Its chrome steel construction ensures durability even under constant stress.

For industrial conveyors, 449-432-B Bearing’s open design allows easy lubrication, extending service life in high-load scenarios. The standard radial clearance offers flexibility for various operational needs.

What Makes 449-432-B Bearing a Preferred Choice?
449-432-B Bearing works reliably in agricultural machinery, such as tractors, where its robust build withstands dust and debris. The steel cage provides added strength for long-term use.

In mining equipment, 449-432-B Bearing’s tapered rollers manage heavy radial and thrust loads effortlessly. Its ABEC-1 rating ensures consistent performance in demanding environments.

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