Welcome to Linqing Xinshengdi Bearing Co., Ltd.
Plastic and polymer extrusion requires raw material to be forced through precision dies under immense, unrelenting backpressure. The 95mm bore 30219 bearing acts as a critical line of defense for the extruder gearbox, absorbing the massive backward axial force generated by the screw drive. Its heavy-duty construction prevents housing distortion and maintains perfect alignment of the screw shaft, avoiding barrel scuffing and safeguarding product quality.