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TS (Single Row Tapered Roller Bearings) (Imperial) 755-753A

TS (Single Row Tapered Roller Bearings) (Imperial) 755-753A

The 755-753A is a single-row tapered roller bearing with a 3″ bore and 6.625″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 73600 lbf radially and 11100 lbf thrust, making it suitable for heavy-duty applications.

Its open design allows easy lubrication, while the steel cage ensures durability under high stress. The bearing operates smoothly in temperatures from -30°C to 110°C.

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for industrial machinery, gearboxes, or automotive systems where combined loads are common.

Weighing 12.4 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe use.

The tapered roller design provides effective load distribution, enhancing longevity. Its standard radial clearance ensures easy installation and maintenance.

Suitable for ABEC-1 precision applications, it balances performance and cost. The chrome steel rollers and rings resist wear, even in demanding conditions.

Perfect for scenarios requiring reliable performance under radial and thrust loads. Its dimensions (3″ x 6.625″ x 1.9375″) fit standard industrial setups.

The bearing’s effective center location (-0.47″) aids in precise alignment. Its construction ensures stability under varying operational stresses.

A practical choice for maintenance teams and engineers seeking durable, interchangeable solutions. The open seal type simplifies inspection and re-greasing.

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Product Parameters

  • Part Number 755-753A
  • Brand TFL
  • Interchangeable Timken
  • Size 3" x 6.625" x 1.9375"
  • Bore Dia 3"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 6.625"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.9"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 1.9375"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.9375"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.03"
  • Cone Frontface Backing Diameter 4.25"
  • Cone Backface Backing Diameter 3.74"
  • Cup Frontface Backing Diameter 1.10"
  • Cup Backface Backing Diameter 0.00"
  • Cage Cone Frontface Clearance 0.07"
  • Cage Cone Backface Clearance 0.11"
  • Effective Center Location -0.47"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 755
  • Cup Part Number 753A
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 755
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 73600 lbf
  • Static Radial Load 99200 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 19100 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 11100 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 12.4 lb

Features

Performance Features of 755-753A Bearing

755-753A Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 73,600 lbf, ensuring reliable performance in heavy-duty applications.
The steel cage maintains proper roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs well in various environments.

How Does 755-753A Bearing Reduce Friction?

755-753A Bearing’s tapered roller design minimises friction, allowing smooth operation under combined loads.
The chrome steel construction ensures durability while maintaining efficient performance.
Its standard radial clearance provides balanced operation, reducing wear over time.
With a dynamic thrust rating of 11,100 lbf, it handles demanding applications with ease.

Designed for Durability: 755-753A Bearing

755-753A Bearing features a single-row construction, optimised for strength and longevity.
The chrome steel components resist wear, even under high radial loads up to 99,200 lbf.
Its precise tolerances ensure consistent performance throughout its service life.
The open design allows for easy lubrication, maintaining smooth operation over time.

Steel vs Ceramic Bearings: Strengths of 755-753A Bearing

755-753A Bearing uses chrome steel for both rings and rollers, providing excellent load-bearing capacity.
This material choice offers a good balance between cost and performance for industrial applications.
The bearing’s ABEC-1 rating ensures reliable precision in various operating conditions.
With proper lubrication, it delivers consistent performance across its temperature range.

Application

Industrial Uses of 755-753A Bearing
755-753A Bearing is commonly used in heavy machinery, such as construction equipment and mining gear, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability in tough working conditions.

Where Is 755-753A Bearing Used?
In automotive applications, 755-753A Bearing fits well in truck wheel hubs and differential systems, thanks to its robust load capacity. The imperial sizing makes it a go-to choice for North American vehicle manufacturers.

Built for Heavy-Duty Use: 755-753A Bearing
For industrial fans and pumps, 755-753A Bearing offers reliable performance with its open design and standard radial clearance. Its steel cage provides stability even under continuous operation.

Automotive vs Aerospace: Applications of 755-753A Bearing
While 755-753A Bearing excels in truck axles, it’s also suitable for aerospace ground support equipment. The ABEC-1 rating ensures consistent precision without overcomplicating maintenance.

Key Fields for 755-753A Bearing
In agricultural machinery, 755-753A Bearing supports gearboxes and PTO shafts, handling both radial and thrust loads. The temperature range of -30° to 110°C makes it versatile for seasonal use.

Q&A

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