1K7991 테이퍼 롤러 베어링 컵 127mm 고양이 3304/3304B 엔진
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 (또는 동등한) 로드 용량 동적: 85 kn, 공전: 110 kN Operating Temperature -30＜C to +120＜C Warranty 1 Year...