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ST 4573 RICH 45x73x21 ST4573 RICH
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ST 4573 RICH 45x73x21 ST4573 RICH

ST 4573 RICH 45x73x21

Type: Single Row Tapered Roller Bearing
Model: ST 4573 RICH
OE References: 55575323 FIAT, 0371466 OPEL
Dimensions: 45 x 73 x 21 mm
Brand: RICH
Origin: China
RICH
ST4573
€8.24
No tax
Quantity
🏠 The Product Is In Our Warehouse And Will Arrive At Your Shipping Address Within 7–10 Business Days.

ST 4573 RICH – Single Row Tapered Roller Bearing – 45 x 73 x 21 mm

OE Reference:

  • FIAT: 55575323
  • OPEL: 0371466

Technical Specifications:

  • Type: Single row tapered roller bearing
  • Brand: RICH
  • Model Designation: ST 4573
  • Inner Diameter (d): 45 mm
  • Outer Diameter (D): 73 mm
  • Total Width (T): 21 mm
  • Inner Ring Width (B): 19.8 mm
  • Outer Ring Width (C): 17 mm
  • Weight: 0.317 kg
  • Country of Origin: China

Performance Characteristics:

  • Structural Configuration: Precision-engineered single-row tapered roller assembly featuring conical raceways designed to manage simultaneous radial and axial load vectors.
  • Load Capability: Specifically optimized for automotive transmission and differential applications, providing high rigidity and reliable axial thrust support in a single direction.
  • Precision Design: Manufactured with optimized internal geometry to ensure uniform contact stress across the rollers, reducing friction and minimizing heat generation.
  • Mechanical Interface: 45 x 73 x 21 mm dimensional format produced according to rigorous industrial tolerances for seamless compatibility with Fiat and Opel original equipment.

Transparency Note: This bearing is manufactured under the RICH brand. Any OE or interchangeable references are used solely for identification and do not imply affiliation with other manufacturers.

Data sheet

Inner Diameter
45
Outer Diameter
73
Width
21/17
Weight
0,317
Roller Rows
Single Row
Cage
Steel Cage
Category
Single Row Tapered Roller Bearing

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