Inch - Metric: Inch
Outside Diameter - Inch: 17.874
Length Thru Bore - Millimeter: 128
Length Thru Bore - Inch: 5.039
Other Features: Single Row | Split Roller | Enhanced Duty | Aluminum Seal

Housing Style: Cartridge Unit
Housing Material: Cast Iron
Mounting Method: Clamp Collar
Rolling Element: Cylindrical Roller Bearing
Expansion / Non-expansion: Expansion

Inner Race Profile: Wide Inner Ring
Snap Ring: No
Rolling Element: Cylindrical Roller Bearing
Outer Race Width - Millimeter: 101.6
Other Features: Single Row | Expansion | Medium Duty

Inch - Metric: Inch
Outside Diameter - Inch: 18.25
Length Thru Bore - Millimeter: 186
Outer Race Profile: Cylindrical
Mounting Method: Clamp Collar

Inch - Metric: Inch
Outside Diameter - Inch: 20.752
Length Thru Bore - Millimeter: 186
Length Thru Bore - Inch: 7.323
Other Features: Single Row | Split Roller | Medium Duty | Aluminum Seal

Housing Style: Cartridge Unit
Housing Material: Cast Iron
Mounting Method: Clamp Collar
Rolling Element: Cylindrical Roller Bearing
Expansion / Non-expansion: Non-Expansion

Inch - Metric: Inch
Outside Diameter - Inch: 20.752
Length Thru Bore - Millimeter: 186
Length Thru Bore - Inch: 7.323
Other Features: Single Row | Split Roller | Medium Duty | Aluminum Seal

Housing Style: Cartridge Unit
Housing Material: Cast Iron
Mounting Method: Clamp Collar
Rolling Element: Cylindrical Roller Bearing
Expansion / Non-expansion: Expansion

Component: Assembly
Inch - Metric: Inch
Outside Diameter - Inch: 18
Outside Diameter - Millimeter: 457.2
Bore - Millimeter: 279.4

Other Features: 1 Double Cone | 2 Single Cup | Heavier Duty
Global Part Number GPN: 656851
Assembly Components: HH255149D (1) | HH255110 (2) | HH255110EA (1)
Basic Number: HH255149
Precision Class: Standard