34306/34478 RICH 77,788x121,442x24,608 34306/34478 RICH
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  • 34306/34478 RICH 77,788x121,442x24,608 34306/34478 RICH

34306/34478 RICH 77,788x121,442x24,608

RICH
34306/34478
€10.02
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34306/34478 RICH Single Row Tapered Roller Bearing – 77.788 x 121.442 x 24.608 mm – Engineered for Extreme Load and Precision Alignment

Reliability under pressure. The 34306/34478 RICH tapered roller bearing is designed for the toughest mechanical demands, delivering superior support where precision, strength, and endurance are critical. Built for high-load environments, this single row tapered roller bearing offers a 77.788 mm inner diameter, 121.442 mm outer diameter, and a total width of 24.608 mm, making it a powerful solution for gearboxes, axles, drivetrains, and agricultural machinery.

This bearing is a direct OE replacement for multiple CASE reference codes:

  • CASE: 383970R91
  • CASE: 47932984
  • CASE: ST2129 / ST988

Its inner ring width of 23.012 mm and outer ring width of 17.462 mm are precision-ground for minimal friction and maximum rolling smoothness—even under variable or high-impact loads. With a modest weight of 0.94 kg, it integrates easily into high-performance systems without compromising structural integrity.

Manufactured in China by RICH, this bearing features a separable cone and cup design for simplified assembly, inspection, and replacement. Whether used in agricultural, industrial, or construction equipment, it ensures prolonged service life and reliable torque transfer.

Technical Specifications:

  • Type: Single Row Tapered Roller Bearing
  • Model: 34306/34478
  • Brand: RICH
  • Inner Diameter (d): 77.788 mm
  • Outer Diameter (D): 121.442 mm
  • Total Width (T): 24.608 mm
  • Inner Ring Width: 23.012 mm
  • Outer Ring Width (C): 17.462 mm
  • Weight: 0.94 kg
  • Country of Origin: China
  • OE Cross References:
    • CASE 383970R91
    • CASE 47932984
    • CASE ST2129 / ST988

Core Advantages:

  • Extreme Load Control: Ideal for managing both axial and radial forces in compact, heavy-duty assemblies.
  • High Rotational Accuracy: Precision-ground tapered rollers reduce wear and maintain alignment.
  • Easy Maintenance: Separable cone/cup design allows for flexible installation and fast servicing.
  • Optimized Efficiency: Low friction means reduced power loss and better fuel or energy economy.
  • Proven RICH Quality: Manufactured to international standards with consistent dimensional tolerances.

Data sheet

Inner Diameter
77,788
Outer Diameter
121,442
Width
24,608
Weight
0,94
Roller Rows
Single Row
Cage
Steel Cage
Category
Single Row Tapered Roller Bearing

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