Inch - Metric: Inch
Other Features: Double Row
Global Part Number GPN: 521179
Length Thru Bore - Millimeter: 88.9
Housing Configuration: 1 Piece Solid

Number of Mounting Holes: 4
Housing Style: 4 Bolt Pillow Block
Housing Material: Cast Iron
Mounting Method: Tapered Adapter Sleeve
Nominal Bolt Center to Center - Inch: 8.1

Inch - Metric: Inch
Outside Diameter - Inch: 4.25
Bore - Millimeter: 76.2
Bore - Inch: 3
Other Features: Keyway on ID

Global Part Number GPN: 464091
Length Thru Bore - Millimeter: 50.8
Bushing Series: 3020
Length Thru Bore - Inch: 2
Outside Diameter - Millimeter: 107.95

Inch - Metric: Inch
Other Features: Double Row
Global Part Number GPN: 521172
Length Thru Bore - Millimeter: 105.969
Housing Configuration: 1 Piece Solid

Number of Mounting Holes: 4
Housing Style: 4 Bolt Pillow Block
Housing Material: Cast Iron
Mounting Method: Tapered Adapter Sleeve
Nominal Bolt Center to Center - Inch: 10.5

Inch - Metric: Inch
Other Features: Double Row
Global Part Number GPN: 521168
Length Thru Bore - Millimeter: 105.969
Housing Configuration: 1 Piece Solid

Number of Mounting Holes: 4
Housing Style: 4 Bolt Pillow Block
Housing Material: Cast Iron
Mounting Method: Tapered Adapter Sleeve
Nominal Bolt Center to Center - Inch: 10.5

Bore Profile: Finished Bore
Component: Hub
Coupling Type: Grid Coupling
Torque: 55550In-Lbs
Flange Outside Diameter - Millimeter: 190

Other Features: Components May or May Not Intermix Among Brands
Inch - Metric: Inch
Material: Steel
Length Thru Bore - Millimeter: 121.92
Hub Diameter - Millimeter: 141.986