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NTN 5208 WD Double Row Angular Contact Ball Bearing | 40x80x30.2mm | High Rigidity

137.20 137.20

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Marca: NTN
Product Category: Angular Contact Ball Bearing

Product Details

Brand: NTN
NTN 5208 WD Double Row Angular Contact Ball Bearing | 40x80x30.2mm | High Rigidity

The NTN 5208 WD is a precision-engineered Double Row Angular Contact Ball Bearing designed to manage severe combined radial and axial loads simultaneously. With a precise bore diameter (d) of 40mm and an outer diameter (D) of 80mm, this bearing series (5200) features a 30-degree contact angle, providing exceptional rigidity and stability crucial for high-speed, high-precision industrial machinery. Manufactured to stringent NTN standards, the 5208 WD ensures reliable performance under cyclic loading conditions, utilizing robust internal geometry and high-grade bearing steel for maximum fatigue life and operational efficiency. This high-performance bearing is ideal for mission-critical applications where minimizing shaft deflection and maintaining alignment is paramount, including high-output industrial gearboxes, specialized pump systems, centrifugal compressors, and woodworking machinery spindles. The double-row design offers a significantly higher load capacity than single-row equivalents, often simplifying designs by eliminating the need for pairing and complex preloading adjustments. Selecting the NTN 5208 WD guarantees minimized maintenance intervals and a superior lifespan, reducing overall total cost of ownership (TCO) in demanding industrial environments.

Key Features

  • Exceptional rigidity due to optimized 30-degree contact angle geometry.
  • High combined load capacity (radial and bi-directional axial loads).
  • Reduced space requirements compared to two single-row bearings.
  • Precision-engineered raceways for quiet operation and reduced heat generation.
  • NTN quality assurance provides superior reliability and prolonged service life in heavy-duty applications.

Technical Specifications

bearing_number5208 WD
typeDouble Row Angular Contact Ball Bearing
d40 mm (Bore)
D80 mm (Outer Diameter)
B30.2 mm (Width)
contact_angle30 degrees
cage_materialSteel (Standard)
lubrication_featureOpen/Greaseable (WD variant)
dynamic_load_cr47.0 kN (Typical)
static_load_c0r31.5 kN (Typical)
limiting_speed8,000 RPM (Grease)
weight0.67 kg