1B4043 Tapered Roller Bearings

1B4043 is a tapered roller bearing used in Caterpillar equipment. The listed applications include Caterpillar articulated trucks, motor graders, track-type tractors, wheel dozers, and wheel loaders. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

Fitment

The bearing is listed for the following Caterpillar equipment models and machine series:

• Articulated trucks: D35C, D35HP, D40D, D44B, D550B.
• Motor graders: 16G, 16H, 16H NA, 16M.
• Track-type tractors: D9E.
• Wheel dozers: 824C.
• Wheel loaders: 980, 980B, 980C, 980F.

Fitment is specified by the equipment model designations listed above. The available product data does not identify a specific installation position or assembly location on each machine.

Specifications