Enclosure: Open
Bore Profile: Straight
Cage Material: Steel
Internal Clearance: C0-Medium
Inch - Metric: Metric

Outside Diameter - Inch: 17.323
Other Features: Two Piece Cage | High Performance | Lubrication Hole and Groove On Outer Ring
Number of Rows of Rollers: Double Row
Mounting Method: Shaft Mount
Rolling Element: Spherical Roller Bearing

Enclosure: Open
Bore Profile: Tapered
Cage Material: Brass
Internal Clearance: C3-Loose
Inch - Metric: Metric

Outside Diameter - Inch: 14.173
Other Features: Order Adapter or Withdrawal Sleeve or Nut Separately. Others May be Available | One Piece Cage | High Performance | Lubrication Hole and Groove On Outer Ring | P5 Running Accuracy
Number of Rows of Rollers: Double Row
Mounting Method: Adapter Mount
Rolling Element: Spherical Roller Bearing

Enclosure: Open
Bore Profile: Straight
Cage Material: Brass
Internal Clearance: C3-Loose
Inch - Metric: Metric

Outside Diameter - Inch: 17.323
Other Features: One Piece Cage | High Performance | P5 Running Accuracy | Tapped Lifting Hole On Outer Ring | Lubrication Hole and Groove On Outer Ring
Number of Rows of Rollers: Double Row
Mounting Method: Shaft Mount
Rolling Element: Spherical Roller Bearing

Enclosure: Open
Bore Profile: Tapered
Cage Material: Steel
Internal Clearance: C3-Loose
Inch - Metric: Metric

Outside Diameter - Inch: 14.173
Other Features: Order Adapter or Withdrawal Sleeve or Nut Separately. Others May be Available | Case Hardened Inner Ring | Lubrication Hole and Groove On Outer Ring
Number of Rows of Rollers: Double Row
Mounting Method: Adapter Mount
Rolling Element: Spherical Roller Bearing

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