1. Product Overview 4T-30314D is metric single row separable tapered roller bearing, D suffix represents 24°-32° steep large contact angle, factory pre-matched cone and cup set with overall dimension 70×150×38mm. The steep conical contact angle greatly improves unidirectional axial thrust bearing capacity while retaining excellent heavy radial load performance, perfectly suited for heavy-duty equipment subjected to strong axial impact during operation. Separable inner cone