Cup 1B-3970

positive OEM
CAT
Part# 1B-3970
note
Alloy steel bearing cup for differential load support and friction reduction.
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Description

The Caterpillar Differential Bearing Cup (1B-3970) is a critical drivetrain component designed to reduce friction and support load distribution between mating parts. It functions as part of a tapered roller bearing assembly, providing protection and durability in heavy-duty mechanical systems.

Key Specifications

  • Application: Differential assemblies in heavy-duty drivetrains
  • Function: Reduces friction and supports radial and thrust loads
  • Compatibility: Heavy-duty trucks and commercial vehicle differentials
  • Construction: Alloy steel
  • Features: Tapered roller bearing cup design, load distribution
  • Quality: OEM Caterpillar part

Shipping Info

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More Information

Current Part# 1B-3970
Type OEM
Manufacturer CAT
Warranty Standard Manufacturer Warranty