20550 Genuine Eaton Transmission Front Bearing Retainer

Product Overview

The 20550 is a genuine Eaton transmission front bearing retainer used in manual transmission assemblies, including Eaton Fuller heavy-duty transmission applications, with a 2024 Kenworth T880 identified in the supplied take-off information. This mechanical component retains the transmission input shaft bearing in its designated position and helps maintain the alignment of the input shaft relative to the clutch assembly, using a six-hole mounting flange for attachment to the transmission housing.

Product Features

The 20550 Eaton transmission front bearing retainer secures the input shaft bearing within a manual transmission housing and provides a six-hole flange mounting arrangement for the designated transmission assembly.

• Retains the front input shaft bearing within its specified housing position
• Helps maintain input shaft alignment relative to the connected clutch assembly
• Incorporates six flange mounting holes for attachment to the transmission housing
• Supports correct bearing positioning during transmission input shaft rotation
• Forms part of the front bearing support arrangement in manual transmissions
• Requires matching transmission housing geometry and input bearing dimensions for installation

General Specifications

Installation Notes

The 20550 should be installed after inspecting the transmission input shaft bearing, checking the front housing mounting surface, and confirming that the six-hole flange pattern corresponds to the existing transmission case. During assembly, position the retainer correctly against the bearing and housing, secure the mounting fasteners according to the applicable Eaton service procedure, and check input shaft rotation and alignment before completing transmission installation.

Always verify the original retainer part number, transmission model, input shaft bearing dimensions, six-hole flange pattern, and housing mounting configuration before installation.