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TS (Single Row Tapered Roller Bearings) (Metric) 33011
TS (Single Row Tapered Roller Bearings) (Metric) 33011

TS (Single Row Tapered Roller Bearings) (Metric) 33011

The 14139-14276-B is a single-row tapered roller bearing with a flange, measuring 1.377″ x 2.717″ x 0.771″. Made from durable chrome steel, it handles combined loads with a dynamic radial load capacity of 12300 lbf.

Its flanged cup design provides stability, while the open seal allows for easy lubrication. The bearing operates smoothly in temperatures from -30°C to 110°C.

This model is interchangeable with Timken bearings, making it a practical choice for replacements. Ideal for applications like automotive axles or industrial gearboxes where combined loads are common.

Weighing just 0.5 lb, it’s lightweight yet robust. Compliant with RoHS and REACH standards, it meets ABEC-1 precision requirements.

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Product Parameters

  • Part Number 33011
  • Brand TFL
  • Interchangeable Brand Timken
  • System of Measurement Metric
  • Type Bearing
  • Sizes 55 mm x 90 mm x 27 mm
  • Cone Part Number X33011
  • Cup Part Number Y33011
  • Bore Dia 55 mm
  • Bore Dia Tolerance -0.015mm to 0
  • Outer Dia 90 mm
  • Outer Dia Tolerance -0.018mm to 0
  • Cone Width 27 mm
  • Cone Width Tolerance -0.15mm to 0
  • Cup Width 21 mm
  • Cup Width Tolerance -0.2mm to 0
  • Width 27 mm
  • Width Tolerance +0.2mm to 0
  • Cone Backface ToClear Radius 1.52 mm
  • Cup Backface ToClear Radius 1.52 mm
  • Cone Frontface Backing Diameter 61 mm
  • Cone Backface Backing Diameter 63 mm
  • Cup Frontface Backing Diameter 87.88 mm
  • Cup Backface Backing Diameter 82.04 mm
  • Cage Cone Frontface Clearance 2.5 mm
  • Cage Cone Backface Clearance 2 mm
  • Effective Center Location -7.9 mm
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 33011
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 26550 lbf
  • Static Radial Load 31725 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 6885 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 3667.5 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 1.54 lb

Features

Structural Advantages of 14139-14276-B Bearing

14139-14276-B Bearing features a single row tapered roller design, ideal for handling combined loads with precision.
Its chrome steel construction ensures durability and resistance to wear in demanding conditions.
The flanged cup design provides secure mounting, enhancing stability during operation.
With a dynamic radial load capacity of 12,300 lbf, it delivers reliable performance in various applications.

How Is 14139-14276-B Bearing Engineered for Reliability?

14139-14276-B Bearing is built with chrome steel rollers and rings, offering excellent strength and longevity.
The tapered roller design efficiently distributes loads, reducing stress on individual components.
Its standard radial clearance ensures smooth operation, even under varying temperature conditions.
With an ABEC-1 rating, it balances precision and affordability for general industrial use.

Designed for Durability: 14139-14276-B Bearing

14139-14276-B Bearing’s steel cage maintains proper roller alignment, minimising friction and wear.
The flanged cup design simplifies installation while providing added support against misalignment.
Its temperature range of -30° to 110°C allows operation in diverse environments.
The bearing’s dynamic thrust rating of 2,080 lbf ensures consistent performance under axial loads.

Steel vs Ceramic Bearings: Strengths of 14139-14276-B Bearing

14139-14276-B Bearing uses chrome steel for both rollers and rings, offering cost-effective durability.
This material choice provides excellent load-bearing capacity without the fragility of ceramic alternatives.
The bearing’s 14,000 series design ensures compatibility with various industrial equipment.
With proper lubrication, it delivers reliable service across its full temperature range.

Application

Industrial Uses of 14139-14276-B Bearing
14139-14276-B Bearing is commonly used in heavy machinery, such as construction equipment and agricultural gear, where its tapered roller design handles combined loads effectively. The flanged cup adds stability, making it suitable for applications with misalignment risks.

In automotive systems, 14139-14276-B Bearing supports wheel hubs and differentials, thanks to its robust chrome steel construction. The inch sizing ensures compatibility with many North American vehicle models.

For conveyor systems, 14139-14276-B Bearing’s open design allows for easy lubrication, extending service life in dusty or high-load environments. Its dynamic load capacity makes it reliable for continuous operation.

What Makes 14139-14276-B Bearing a Preferred Choice?
14139-14276-B Bearing stands out in industrial fans due to its tapered rollers, which distribute loads evenly for smoother rotation. The steel cage ensures durability even under prolonged use.

In material handling equipment, 14139-14276-B Bearing’s flange prevents axial displacement, maintaining alignment in high-vibration settings. Its ABEC-1 rating balances precision and cost-effectiveness for general machinery.

Built for Heavy-Duty Use: 14139-14276-B Bearing
14139-14276-B Bearing excels in mining equipment, where its chrome steel rollers withstand abrasive conditions. The standard radial clearance accommodates thermal expansion in demanding environments.

For pump systems, 14139-14276-B Bearing’s tapered design manages both radial and thrust loads efficiently. The inch measurements simplify replacements in older machinery.

Automotive vs Aerospace: Applications of 14139-14276-B Bearing
In automotive drivetrains, 14139-14276-B Bearing handles high torque, while its aerospace use is limited due to stricter precision requirements. The flange design suits automotive assembly lines better.

For industrial gearboxes, 14139-14276-B Bearing’s dynamic load rating ensures reliability. Its temperature range covers most factory conditions without specialised materials.

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