Cup-Bearing 139978

positive OEM
Dana Spicer
Part# 139978
note
Cup-Bearing 139978 - Dana Spicer
Hardened steel tapered roller bearing cup for heavy-duty axle differentials.
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Description

The Spicer Eaton D170 Tapered Roller Bearing Cup (139978) is a critical component designed to house tapered roller bearings within axle differentials. It facilitates smooth rotational movement and load distribution in heavy-duty driveline assemblies, ensuring proper bearing seating and operational stability.

Key Specifications

  • Application: Eaton-Spicer D46170 differential assemblies
  • Function: Bearing race for tapered roller bearing seating
  • Compatibility: Heavy-duty truck axles, Eaton D170 series
  • Construction: Hardened steel cup
  • Features: Tapered roller bearing race, precision ground surface
  • Quality: OEM Spicer part

Shipping Info

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More Information

Current Part# 139978
Type OEM
Manufacturer Dana Spicer
Warranty Standard Manufacturer Warranty