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

Enclosure: Open
Outer Race Width - Millimeter: 41.275
Other Features: Radial
Inch - Metric: Inch
Outside Diameter - Inch: 13.25

Maximum Capacity / Filling Slot: Yes
Cage Material: Steel
Internal Clearance: C0-Medium
Internal Special Features: No
Snap Ring: No

Inch - Metric: Inch
Outside Diameter - Inch: 13.75
Outside Diameter - Millimeter: 349.25
Bore - Millimeter: 25.4
Bore - Inch: 1

Other Features: Arm Style
Mounting Method: Finished Bore
Belt Series: 4L | A | 5L | B
Bushing Size: No Bushing
Number of Grooves: 2

Profile: Complete with Outer and Inner Ring
Inch - Metric: Metric
Outside Diameter - Inch: 13.386
Bore Profile: Straight
Retainer: Yes

Cage Material: Brass
Separable: Outer Ring - Both Sides
Other Features: 2 Rib Inner Ring | Plain Outer Ring
Number of Rows of Rollers: Single Row
Snap Ring: No

Profile: Complete with Outer and Inner Ring
Inch - Metric: Metric
Outside Diameter - Inch: 13.386
Bore Profile: Straight
Retainer: Yes

Cage Material: Brass
Separable: No
Other Features: 1 Rib Inner Ring with Side Plate | 2 Rib Outer Ring | High Capacity
Number of Rows of Rollers: Single Row
Snap Ring: No