https://www.ldpart.co.uk/shop/shop.php?c=viewproduct&pid=1265&cat=34&maincat=6&start=0&sid=side8b81c3ddb0b65ec2f66d03685799a43
LDpart Triumph Stag Parts - Product: Bearing Pinion Inner 100897A
Inner pinion bearing for collapsible spacer type differential.
triumph stag partsproductbearingpinioninner