1M6573 Bearing-Cup Fits Caterpillar Models

One New Aftermarket Replacement Bearing Cup for Caterpillar (Cat) Heavy Equipment

This tapered roller bearing cup (outer race) is a direct aftermarket replacement for Caterpillar OEM part number 1M6573. The cup works with the mating tapered roller cone to support radial and axial loads in final drive, axle, and drivetrain assemblies across a wide range of Caterpillar construction equipment -- from articulated dump trucks and wheel tractor-scrapers to track-type tractors and large wheel loaders.

Specifications

• Type: Tapered Roller Bearing Cup (Outer Race)
• Outside Diameter: approx. 215.90 mm (8.5 in)
• Cup Width: approx. 1.37 in
• Alternate Part Format: 1M-6573

Compatible Models

Caterpillar Articulated Dump Trucks: 735, 735B, 735C, 735OEM, 740, 740B, 740C, 740GC, 745, 745C, D350E II, D400E II

Caterpillar Wheel Tractor-Scrapers: 631K, 637K, 641, 641B, 650B, 651, 651B, 651E, 657, 657B, 657E, 657G, 660B, 666, 666B

Caterpillar Off-Highway Trucks: 772, 772B, 773, 773B, 773D, 773E, 773F, 773G, 773G LRC, 773G OEM, 775B, 775D, 775E, 775F, 775G, 775G LRC, 775G OEM, 776C, 777

Caterpillar Wheel Loaders: 844, 844H, 844K, 854G, 854K, 966, 972, 972M, 972M XE, 972XE, 990, 990 II, 990H, 990K, 992C, 992D, 992G, 992K, 993K, 994, 994D

Caterpillar Track-Type Tractors: 4, 5, 6, 6A, 6S, 55, 140, 141, 143, 153, 163, 951, 955, 977, 977A, 977H, 977K, 977L, D6C, D6D, D6DSR, D6E, D6ESR, D10, D10R, D10T, D10T2, D11, D11R, D11T

Caterpillar Engines: 3306, 3406, 3406E, 3412

Replaces Part Number(s):

1M6573, 1M-6573

Aftermarket Interchange Numbers

3F5920, HH221410, 74850, 1B6573

New aftermarket replacement part - not remanufactured, not used.