Inch - Metric: Inch
Length Thru Bore - Millimeter: 88.9
Other Features: Double Row | Double Collar
Global Part Number GPN: 522409
Housing Style: 2 Bolt Pillow Block

Nominal Bolt Center to Center - Inch: 6.8
Housing Material: Cast Iron
Mounting Method: Concentric Collar
Housing Configuration: 1 Piece Solid
Number of Mounting Holes: 2

Inch - Metric: Inch
Length Thru Bore - Millimeter: 63.1
Other Features: Single Row | Medium Duty
Global Part Number GPN: 521829
Housing Style: 2 Bolt Pillow Block

Nominal Bolt Center to Center - Inch: 10.7
Housing Material: Cast Iron
Mounting Method: Set Screw
Housing Configuration: 1 Piece Solid
Number of Mounting Holes: 2

Inch - Metric: Inch
Length Thru Bore - Millimeter: 184.15
Nominal Bolt Circle Diameter Round - Inch: 16
Housing Configuration: 2 Piece Split
Other Features: Double Row | Heavy Duty | Optional E-Tect Seal | With Set Screw

Global Part Number GPN: 551378
Housing Style: 4 Bolt Round Flange Block
Housing Material: Ductile Iron
Mounting Method: Concentric Collar
Nominal Bolt Circle Diameter Round - Millimeter: 406.4

Inch - Metric: Inch
Outside Diameter - Inch: 11.88
Length Thru Bore - Millimeter: 285.75
Length Thru Bore - Inch: 11.25
Other Features: Double Row | Special Duty

Housing Style: Cartridge Unit
Housing Material: Cast Iron
Mounting Method: Tapered Adapter Sleeve
Rolling Element: Tapered Roller Bearing
Expansion / Non-expansion: Non-Expansion

Inch - Metric: Inch
Length Thru Bore - Millimeter: 95.25
Other Features: Double Row | Double Collar | Heavy Duty
Global Part Number GPN: 522574
Housing Style: 2 Bolt Pillow Block

Nominal Bolt Center to Center - Inch: 8.9
Housing Material: Cast Iron
Mounting Method: Concentric Collar
Housing Configuration: 2 Piece Split
Number of Mounting Holes: 2