For sale is: Steering Shaft Bearing GM Part # 9441600 GR.6.521 78K7 NEW OEM IN PACKAGE, RARE! This item is an authentic, GM OEM sealed package bearing, and MANY are available. Shipping is $4.60 for the first one purchased, and only $0.65 for each additional item purchased.
My reference, yellow building, box 213, listed on 9-24-23. One in box 217.