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TS (Single Row Tapered Roller Bearings) (Imperial) M278749-M278710

TS (Single Row Tapered Roller Bearings) (Imperial) M278749-M278710

The M278749-M278710 is a single-row tapered roller bearing with a 22.5″ bore and 32″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 1020000 lbf dynamically and 2370000 lbf statically, making it suitable for heavy-duty applications.

Its pin-type cage design ensures smooth operation, while the open seal allows for easy lubrication. The bearing operates well in temperatures ranging from -30°C to 110°C.

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

Weighing 564.10 lb, it’s robust and durable for long-term use. Compliant with RoHS and REACH standards for safe and environmentally friendly operation.

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Product Parameters

  • Part Number M278749-M278710
  • Brand TFL
  • Interchangeable Timken
  • Size 22.5" x 32" x 6.125"
  • Bore Dia 22.5"
  • Bore Dia Tolerance +0.002" to 0
  • Outer Dia 32"
  • Outer Dia Tolerance +0.003" to 0
  • Cone Width 6.125"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 4.75"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 6.125"
  • Width Tolerance +0.015" to -0.015"
  • Cone Backface ToClear Radius 0.25"
  • Cup Backface ToClear Radius 0.250"
  • Cone Frontface Backing Diameter 28.46"
  • Cone Backface Backing Diameter 24.21"
  • Cup Frontface Backing Diameter 30.47"
  • Cup Backface Backing Diameter 29.76"
  • Cage Cone Frontface Clearance 0.34"
  • Cage Cone Backface Clearance 0.53"
  • Effective Center Location -0.45"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number M278749
  • Cup Part Number M278710
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series M278700
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Pin-Type
  • Dynamic Radial Load 1020000 lbf
  • Static Radial Load 2370000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 264000 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 150000 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 564.10 lb

Features

Performance Features of M278749-M278710 Bearing

M278749-M278710 Bearing is built with chrome steel rings and rollers, offering robust performance under combined loads.
Its dynamic radial load capacity reaches 1,020,000 lbf, making it suitable for heavy-duty applications.
The pin-type cage ensures proper roller alignment, enhancing durability and reducing friction.
With a temperature range of -30° to 110°C, it performs reliably in various operating conditions.

Application

Industrial Uses of M278749-M278710 Bearing
M278749-M278710 Bearing is commonly used in heavy machinery like mining equipment and construction vehicles, where its tapered roller design handles combined radial and thrust loads efficiently. The chrome steel construction ensures durability even in harsh operating conditions.

Where Is M278749-M278710 Bearing Used?
You’ll often find M278749-M278710 Bearing in large industrial gearboxes and power transmission systems, thanks to its high dynamic load capacity. Its pin-type cage design helps maintain roller alignment under heavy stress.

Built for Heavy-Duty Use: M278749-M278710 Bearing
M278749-M278710 Bearing excels in applications like railway axles and marine propulsion systems, where reliability is key. The standard radial clearance options make it adaptable to various precision requirements.

Automotive vs Aerospace: Applications of M278749-M278710 Bearing
In automotive settings, M278749-M278710 Bearing supports large truck axles, while in aerospace, it’s used in landing gear assemblies. The inch sizing makes it compatible with American machinery standards.

Key Fields for M278749-M278710 Bearing
M278749-M278710 Bearing is ideal for wind turbine generators, where its ABEC-1 rating balances performance and cost. The open design simplifies lubrication maintenance in remote installations.

Q&A

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