Component: Assembly
Inch - Metric: Inch
Outside Diameter - Inch: 12.875
Outside Diameter - Millimeter: 327.025
Bore - Millimeter: 241.3

Other Features: 2 Single Cone | 1 Double Cup | Unground Cone Spacer | Outer Race with Oil Holes and Groove
Global Part Number GPN: 660439
Assembly Components: 8578 (2) | 8520CD (1) | X1S-8578 (1)
Basic Number: 8578
Precision Class: Standard

Component: Assembly
Inch - Metric: Inch
Outside Diameter - Inch: 12.813
Outside Diameter - Millimeter: 325.45
Bore - Millimeter: 263.525

Bore - Inch: 10.375
Other Features: Steel Cage
Precision Class: Class 4
Basic Number: 38880

Component: Assembly
Inch - Metric: Inch
Outside Diameter - Inch: 12.875
Outside Diameter - Millimeter: 327.025
Bore - Millimeter: 234.95

Other Features: 1 Double Cone | 2 Single Cup
Global Part Number GPN: 663565
Assembly Components: 8576D (1) | 8520 (2) | Y1S-8520 (1)
Basic Number: 8576
Precision Class: Standard

Component: Assembly
Inch - Metric: Inch
Outside Diameter - Inch: 12.88
Outside Diameter - Millimeter: 327.152
Bore - Millimeter: 241.3

Bore - Inch: 9.5
Other Features: 2 Single Cone | 2 Single Cup | 1 Cup Spacer
Assembly Components: 8578 (2) | 8520 (2) | Y2S8520 (1)
Basic Number: 8578
Precision Class: Standard

Component: Assembly
Flange Outside Diameter - Millimeter: 336.448
Inch - Metric: Inch
Outside Diameter - Inch: 12.875
Flange Outside Diameter - Inch: 13.246

Outside Diameter - Millimeter: 327.025
Other Features: 1 Single Cone | 1 Single Cup | Flanged Outer Race
Global Part Number GPN: 663562
Assembly Components: 8573 (1) | 8520-B (1)
Precision Class: Standard