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TIMKEN 3730 Series Tapered Roller Bearing – Precision Heavy Load Solution

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Marca: TIMKEN
Product Category: Tapered Roller Bearing

Product Details

Brand: TIMKEN
TIMKEN 3730 Series Tapered Roller Bearing – Precision Heavy Load Solution

The TIMKEN 3730 Tapered Roller Bearing is engineered to meet the demanding requirements of heavy industrial and severe-duty applications, providing reliable support for combined radial and high axial (thrust) loads. Manufactured using high-grade, case-hardened alloy steel, the 3730 features optimized roller geometry and surface finishes to ensure minimal friction, efficient load distribution, and reduced running temperatures. This design delivers superior operational stability and predictable performance across diverse speed and load profiles, making it the standard choice for mission-critical installations such as gearboxes, pump drives, and rolling mill equipment where durability is non-negotiable. Selecting the 3730 means investing in reduced total cost of ownership (TCO). Timken’s precision manufacturing processes guarantee consistent alignment and tight tolerances, which translates directly into extended operational life and significantly decreased maintenance downtime. Designed for interchangeability and maximum fatigue resistance, this bearing ensures optimal system uptime even in environments subject to contamination, shock loads, and extreme temperature fluctuations. The 3730 series upholds the Timken legacy of precision engineering, delivering the robust performance industrial operations rely on globally.

Key Features

  • Superior load distribution via logarithmic roller profile, minimizing stress concentrations.
  • Case-hardened steel construction for exceptional surface hardness and wear resistance.
  • Optimized internal geometry provides high resistance to combined radial and axial (thrust) loads.
  • Precision-matched components ensuring low friction and reduced running temperatures.
  • Extended operational life, dramatically lowering maintenance costs and unplanned downtime.
  • Dimensionally stable across a broad range of operational temperatures.

Technical Specifications

bearing_typeTapered Roller Bearing (TRB)
model_number3730 (Cone and Cup Assembly)
d70 mm (Bore Diameter)
D150 mm (Outer Diameter)
B40 mm (Assembly Width)
basic_dynamic_load_rating_C152 kN
basic_static_load_rating_Cr178 kN
limiting_speed_grease3,500 rpm
limiting_speed_oil5,000 rpm
materialCase-Hardened High-Carbon Alloy Steel
temperature_range-40°C to 120°C