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NTN HM 89449/HM 89410 Tapered Roller Bearing Set | 2.5625" Bore | High Axial Load Capacity

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Marca: NTN
Product Category: Tapered Roller Bearing

Product Details

Brand: NTN
NTN HM 89449/HM 89410 Tapered Roller Bearing Set | 2.5625" Bore | High Axial Load Capacity

The HM 89449/HM 89410 Tapered Roller Bearing set, manufactured by NTN, is engineered for demanding industrial and automotive applications requiring robust load handling and precise shaft guidance. This separable design comprises the HM 89449 cone (inner ring assembly) and the HM 89410 cup (outer ring). Tapered roller geometry ensures optimal distribution of both high radial and significant axial loads simultaneously. Constructed from vacuum-degassed, high-purity steel and featuring optimized raceway profiles, this bearing reduces stress concentration, minimizing friction and wear across heavy-duty operating cycles. It is the ideal choice for environments characterized by shock loading, vibration, and temperature fluctuations, ensuring maximum operational uptime. Selecting the NTN HM 89449/HM 89410 guarantees exceptional longevity and reliability in critical equipment such as industrial gearboxes, truck and trailer wheel hubs, differential pinions, and construction machinery. NTN’s global reputation for manufacturing excellence provides confidence that this bearing meets strict dimensional tolerances (ISO/JIS standards), facilitating seamless interchangeability and installation. Investing in NTN means securing a component designed to extend maintenance intervals and lower the total cost of ownership by providing sustained, consistent performance under the harshest operational realities.

Key Features

  • Separable Cone and Cup Design simplifies mounting, maintenance, and inspection procedures.
  • Engineered for high-volume production and demanding applications (e.g., heavy truck wheel ends, agricultural machinery).
  • High-grade, through-hardened steel construction maximizes fatigue life and shock load resistance.
  • Optimized Roller Profile geometry ensures minimal edge stressing and uniform load distribution.
  • Handles combined radial and axial loads efficiently, critical for non-locating bearing positions.
  • Excellent dimensional stability across wide operating temperature ranges.

Technical Specifications

d65.088 mm (2.5625 in)
D106.375 mm (4.1880 in)
T29.362 mm (1.1560 in)
B29.362 mm (1.1560 in)
C22.225 mm (0.8750 in)
Bearing_SeriesHM 89400 Series (Inch)
Bearing_TypeTapered Roller Bearing (TRB)
Load_Rating_Dynamic_Cr78.0 kN
Load_Rating_Static_C0r99.0 kN
Limiting_Speed_Grease3,000 rpm
MaterialHigh-Carbon Chromium Steel
Weight1.08 kg