9671391 Bearing cup Fits Case 650, 650G, 850B, 850C, 850D, 855D, 850E, 855E, 850

One New Aftermarket Replacement Bearing Cup Fits Case Crawler Dozers and Loaders

This tapered roller bearing cup (outer ring) is a direct replacement Fits Case OEM part number 9671391, used in the final drive assembly of Fits Case crawler dozers and loaders. The cup pairs with a matching cone (inner ring assembly) to form a complete single-row tapered roller bearing capable of handling both radial and axial loads in demanding construction applications. Note: This part does not fit LGP (Low Ground Pressure) models — verify your machine configuration before ordering.

Specifications

• Type: Tapered Roller Bearing Cup (Single Cup / Outer Ring)
• Outer Diameter: 4.33″ (110 mm)
• Width: 0.89″ (22.5 mm)
• Bearing Series: JM511910 / M511900 Series
• Matching Cone: JM511946

Compatible Models

Fits Case Crawler Dozers: 650, 650G, 850, 850B, 850C, 850D, 850E, 855D, 855E

Fits Case Crawler Loaders: 855D, 855E

Replaces Part Number(s):

9671391, 2P8986, MA590D, 70929396, L35931

Aftermarket Interchange Numbers

JM511910 (Timken / NTN / industry standard bearing designation); also crosses to 591799C1, 630204C1

New aftermarket replacement part – not remanufactured, not used.