Cartridge Pilot Diameter - Inch: 5.512
Inch - Metric: Inch
Length Thru Bore - Millimeter: 56.744
Nominal Bolt Circle Diameter Round - Inch: 6.5
Housing Configuration: 1 Piece Solid

Other Features: Single Row | Medium Duty | Wide Inner Race
Global Part Number GPN: 549979
Housing Style: 4 Bolt Round Flange Cartridge
Housing Material: Cast Iron
Mounting Method: Set Screw

Cartridge Pilot Diameter - Inch: 0
Inch - Metric: Inch
Length Thru Bore - Millimeter: 56.744
Nominal Bolt Circle Diameter Round - Inch: 8.3
Housing Configuration: 1 Piece Solid

Other Features: Single Row | Medium Duty | Wide Inner Race
Global Part Number GPN: 551883
Housing Style: 4 Bolt Square Flange Block
Housing Material: Cast Iron
Mounting Method: Set Screw

Cartridge Pilot Diameter - Inch: 0
Inch - Metric: Inch
Length Thru Bore - Millimeter: 63.1
Nominal Bolt Circle Diameter Round - Inch: 9.6
Housing Configuration: 1 Piece Solid

Other Features: Single Row | Medium Duty | Wide Inner Race
Global Part Number GPN: 551558
Housing Style: 4 Bolt Square Flange Block
Housing Material: Cast Iron
Mounting Method: Set Screw

Inch - Metric: Inch
Length Thru Bore - Millimeter: 81.356
Other Features: Double Row | Springlok Collar With 65 Deg Set Screw Mounting
Global Part Number GPN: 521539
Housing Style: 2 Bolt Pillow Block

Nominal Bolt Center to Center - Inch: 7.1
Housing Material: Cast Iron
Mounting Method: Concentric Collar
Housing Configuration: 1 Piece Solid
Number of Mounting Holes: 2