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TS (Single Row Tapered Roller Bearings) (Imperial) 387-S-382

TS (Single Row Tapered Roller Bearings) (Imperial) 387-S-382

The 387-S-382 is a single-row tapered roller bearing with a 2.25″ bore and 3.875″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 24200 lbf radially and 3810 lbf thrust, making it versatile for various applications.

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

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

Weighing 1.4 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe and dependable choice for industrial use.

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Product Parameters

  • Part Number 387-S-382
  • Brand TFL
  • Interchangeable Timken
  • Size 2.25" x 3.875" x 0.8268"
  • Bore Dia 2.25"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.875"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 0.864"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.7018"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 0.8268"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.03"
  • Cup Backface ToClear Radius 0.03"
  • Cone Frontface Backing Diameter 2.48"
  • Cone Backface Backing Diameter 2.52"
  • Cup Frontface Backing Diameter 3.66"
  • Cup Backface Backing Diameter 3.54"
  • Cage Cone Frontface Clearance 0.11"
  • Cage Cone Backface Clearance 0.03"
  • Effective Center Location -0.12"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 387-S
  • Cup Part Number 382
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 385
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 24200 lbf
  • Static Radial Load 24100 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 6280 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 3810 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 1.400 lb

Features

Performance Features of 387-S-382 Bearing

387-S-382 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 24,200 lbf, ensuring reliable performance in demanding conditions.

The steel cage maintains roller alignment, reducing friction and extending operational life.
With a standard radial clearance, it provides flexibility for various applications.

387-S-382 Bearing operates efficiently within a temperature range of -30° to 110°C.
Its tapered roller design ensures smooth handling of both radial and thrust loads.

The open seal type allows for easy lubrication, maintaining optimal performance.
Weighing just 1.400 lb, it balances durability and ease of use.

Application

Common Applications of 387-S-382 Bearing
387-S-382 Bearing is widely used in industrial machinery, especially in heavy-duty equipment like gearboxes and conveyor systems. Its tapered roller design efficiently handles combined loads, making it reliable for continuous operation.

In automotive applications, 387-S-382 Bearing supports wheel hubs and differential systems, where its robust construction ensures longevity. The inch sizing makes it compatible with many North American vehicle models.

For automation systems, 387-S-382 Bearing’s open design allows easy lubrication, which is essential for high-speed robotic arms. The chrome steel rollers provide consistent performance under varying loads.

Medical imaging devices also benefit from 387-S-382 Bearing’s precision, particularly in rotating components where smooth motion is critical. The steel cage adds durability in high-use environments.

In household appliances like washing machines, 387-S-382 Bearing’s ability to handle radial and thrust loads ensures quiet and efficient operation. Its standard radial clearance makes it versatile for various settings.

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