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TS (Single Row Tapered Roller Bearings) (Imperial) LL788349-LL788310

TS (Single Row Tapered Roller Bearings) (Imperial) LL788349-LL788310

The LL788349-LL788310 is a single-row tapered roller bearing with a 42″ bore and 48″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 386,000 lbf radially and 81,400 lbf thrust, 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 235.30 lb, it’s built for durability in demanding environments. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number LL788349-LL788310
  • Brand TFL
  • Interchangeable Timken
  • Size 42" x 48" x 2.5625"
  • Bore Dia 42"
  • Bore Dia Tolerance +0.004" to 0
  • Outer Dia 48"
  • Outer Dia Tolerance +0.004" to 0
  • Cone Width 2.5625"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 1.6875"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 2.5625"
  • Width Tolerance +0.015" to -0.015"
  • Cone Backface ToClear Radius 0.13"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 42.91"
  • Cone Backface Backing Diameter 42.91"
  • Cup Frontface Backing Diameter 47.24"
  • Cup Backface Backing Diameter 46.65"
  • Cage Cone Frontface Clearance 0.48"
  • Cage Cone Backface Clearance 0.11"
  • Effective Center Location 5.61"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number LL788349
  • Cup Part Number LL788310
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series LL788300
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Pin-Type
  • Dynamic Radial Load 386000 lbf
  • Static Radial Load 1270000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 100000 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 81400 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 235.30 lb

Features

Performance Features of LL788349-LL788310 Bearing

LL788349-LL788310 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 386,000 lbf, making it suitable for heavy-duty applications.

The pin-type cage ensures proper roller alignment, reducing friction and wear.
With a static radial load of 1,270,000 lbf, it provides reliable performance under extreme conditions.

LL788349-LL788310 Bearing operates efficiently within a temperature range of -30° to 110°C.
Its standard radial clearance options allow for flexibility in various industrial applications.

The bearing requires lubrication to maintain smooth operation and extend service life.
Its robust construction ensures durability even in demanding environments.

Application

Industrial Uses of LL788349-LL788310 Bearing
LL788349-LL788310 Bearing is commonly used in large industrial equipment like mining machinery and heavy-duty conveyor systems, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability in harsh operating conditions.

Where Is LL788349-LL788310 Bearing Used?
You’ll often find LL788349-LL788310 Bearing in construction equipment, particularly in crane and excavator applications, thanks to its high dynamic radial load capacity. The pin-type cage provides stability during heavy lifting operations.

Built for Heavy-Duty Use: LL788349-LL788310 Bearing
LL788349-LL788310 Bearing excels in steel mills and paper processing plants, where its ABEC-1 rating balances precision and robustness. The open seal design simplifies lubrication maintenance in dusty environments.

Automotive vs Aerospace: Applications of LL788349-LL788310 Bearing
In automotive applications, LL788349-LL788310 Bearing supports large truck axles, while in aerospace, it’s used in ground support equipment. The inch sizing makes it compatible with American machinery standards.

Perfect Fit for Automation: LL788349-LL788310 Bearing
LL788349-LL788310 Bearing works well in automated production lines, particularly in robotic welding systems. Its standard radial clearance allows for smooth rotation under varying operational temperatures.

Q&A

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