Usages:commonly used in drive lines 87011, 87013, 87016, 87036, 87037, 87038 87039, 87500, 87501, 87502, 87503, 87504 87505, 87506, 87507, 87508 88011, 88013, 88016, 88500, 88501, 88502 88503, 88504, 88505, 88506, 88507, 88508 88509, 88510, 88511, 88512, 88128, 88107 WC88501, WC88502, WC88503, WC88504 WC87008, WC87009, WC87013, WC87016 WC87036, WC87037, WC87038, WC87039 WC87501, WC87502, WC87503, WC87504 Material: Chrome steel * We can manufacture the bearings as per your samples or drawings.