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TS (Single Row Tapered Roller Bearings) (Imperial) 3778-3735

TS (Single Row Tapered Roller Bearings) (Imperial) 3778-3735

The 3778-3735 is a single-row tapered roller bearing with a 1.875″ bore and 3.9386″ outer diameter, crafted from robust chrome steel. It handles combined loads up to 27500 lbf radially and 4120 lbf in thrust, suitable for demanding 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, making it a practical choice for replacements. Ideal for heavy-duty machinery or automotive systems where combined loads are common.

Weighing 2.4 lb, it offers a sturdy build without excessive bulk. Compliant with RoHS and REACH standards for safe and reliable use.

The standard radial clearance can be adjusted to C3, C4, or C5 as needed. Its ABEC-1 rating ensures consistent performance for general industrial applications.

The tapered roller design provides effective load distribution, enhancing longevity. Perfect for scenarios requiring both radial and thrust load support, such as gearboxes or wheel hubs.

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Product Parameters

  • Part Number 3778-3735
  • Brand TFL
  • Interchangeable Timken
  • Size 1.875" x 3.9386" x 1.1851"
  • Bore Dia 1.875"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.9386"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.193"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.9375"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.1851"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.25"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 2.17"
  • Cone Backface Backing Diameter 2.64"
  • Cup Frontface Backing Diameter 3.62"
  • Cup Backface Backing Diameter 3.35"
  • Cage Cone Frontface Clearance 0.06"
  • Cage Cone Backface Clearance 0.06"
  • Effective Center Location -0.32"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 3778
  • Cup Part Number 3735
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 3700
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 27500 lbf
  • Static Radial Load 34300 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 7120 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 4120 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 2.4 lb

Features

Performance Features of 3778-3735 Bearing

3778-3735 Bearing is crafted with chrome steel rings and rollers, ensuring strength and durability under combined loads.
Its dynamic radial load capacity reaches 27,500 lbf, making it suitable for heavy-duty applications.
The steel cage maintains roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs reliably in various environments.

How Does 3778-3735 Bearing Reduce Friction?

3778-3735 Bearing’s tapered roller design minimises friction, allowing smooth operation under combined loads.
The precision-engineered chrome steel rollers and cage ensure consistent performance over time.
Its standard radial clearance options provide flexibility for different application needs.
With a static radial load capacity of 34,300 lbf, it offers reliable support in demanding conditions.

Built for Reliability: 3778-3735 Bearing

3778-3735 Bearing features a single-row construction that simplifies installation and maintenance.
The chrome steel components resist wear, ensuring long service life even with heavy radial loads.
Its effective center location of -0.32″ enhances stability during operation.
The bearing operates efficiently within a wide temperature range, from -30° to 110°C.

Steel vs Ceramic Bearings: Strengths of 3778-3735 Bearing

3778-3735 Bearing uses high-quality chrome steel for both rings and rollers, providing excellent load-bearing capacity.
The steel construction offers better impact resistance compared to ceramic alternatives in heavy industrial applications.
Its ABEC-1 rating ensures consistent precision for general industrial use.
The bearing’s standard lubrication requirement makes maintenance straightforward and cost-effective.

Application

Industrial Uses of 3778-3735 Bearing
The 3778-3735 Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads effectively. Its chrome steel construction ensures durability even in demanding environments.

In automotive applications, 3778-3735 Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. The imperial sizing makes it a straightforward replacement for many North American vehicle models.

For industrial conveyor systems, 3778-3735 Bearing’s open design simplifies maintenance while its steel cage offers long-term stability. The standard radial clearance allows for smooth operation in continuous-use scenarios.

Q&A

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