1K7991 Cúp trục lăn thon 127mm cho động cơ CAT 3304/3304B
Parameter Specification Part Number 1K7991 (1K-7991) Type Tapered Roller Bearing Cup Outer Diameter 127 mm Condition New Application CAT 3304/3304B Diesel Engine Function Reduces crank pin wear Material High-grade bearing steel Heat Treatment Through-hardened Precision Rating ABEC-1 (hoặc tương đương) Công suất tải động: 85 kN, Tĩnh: 110 kN Operating Temperature -30＜C to +120＜C Warranty 1 Year...