Cast Iron Pillow Block Bearings: HT200, HT250, and HT300 Explained
HT150 cracks at 120 MPa. HT250 holds at 200 MPa. Learn which cast iron grade your pillow block housing needs—and when to switch materials entirely.
Technical Insights & Industry Solutions for Precision Bearings

HT150 cracks at 120 MPa. HT250 holds at 200 MPa. Learn which cast iron grade your pillow block housing needs—and when to switch materials entirely.

440C, 52100, M50, titanium, and Si₃N₄ ceramic — each serves a different aerospace application. Learn the tradeoffs, temperature limits, and how to choose.

Ceramic bearing materials compared: Si3N4 to 800°C, ZrO2 tops at 300°C, SiC to 1,200°C, Al2O3 costs least. Real data + 4-question guide.

Choose the right ceramic balls by considering material, grade, performance, and specific application needs.
