1B6577 Bearing-Cone Fits Caterpillar Models

One New Aftermarket Replacement Tapered Roller Bearing Cone for Caterpillar (Cat) Off-Highway Trucks and Engines

This tapered roller bearing cone (cone only) is a heavy-duty replacement for Caterpillar construction equipment. The 1B6577 / 1B-6577 is a single tapered roller cone bearing used in drivetrain and differential assemblies on Cat off-highway trucks and large Cat engines. Tapered roller bearings are designed to handle combined radial and thrust loads in demanding heavy equipment applications.

Specifications

• Type: Single Tapered Roller Cone Bearing (cone only)
• Bore: 152.40 mm
• Weight: Approximately 18-19 lbs
• Sold individually (one cone per order)

Compatible Models

Caterpillar Off-Highway Trucks: 773, 773B, 773D, 773E, 773F, 773G, 773G LRC, 773G OEM, 775B, 775D, 775E, 775F, 775G, 775G LRC, 775G OEM, 776C, 776D, 777, 777D, 777F, 777G

Caterpillar Excavators / Hydraulic Excavators: 225, 227, 229, 229D, 235, 235B, 235C, 235D

Caterpillar Wheel Tractor-Scrapers: 641B, 650B, 651E, 657B, 657E, 657G

Caterpillar Engines (Engine-Machine Applications): 3412, 3412D, 3412E, 3508, 3508B, 3512, 3512B, C18, C27, C32

Replaces Part Number(s):

1B6577, 1B-6577, 99600, 1932254, TD4454, 3741839, 374-1839, 9501531, 158140

New aftermarket replacement part - not remanufactured, not used.