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  • Weight: 1.8 lb

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Item Details
Manufacturer: MRC Bearing Service
Weight: 1.786 lbs.
Product Name: Marathon Series Pillow Block
Description: Corrosion-Resistant Pillow Block; 1 1/4" Shaft; 1 7/8" Base to Center; 4 11/16 - 5 1/4" Bolt Hole Spacing; Setscrew Locking Inner Ring; ZMaRC Coated Insert; Non-Relubricatable; Composite Housing
Inch/Metric Inch Pillow Block Type Thru-Bolt
Shaft Dia. [Min]   Shaft Dia. [Max]  
Shaft Dia. 1 1/4 in Center Line to Base Dimension [Min]  
Center Line to Base Dimension [Max]   Center Line to Base Dimension 1 7/8 in
Locking Device Setscrew Locking Collar Base Length 6 15/32 in
Base Width 1 49/64 in Bearing Type Ball Bearing
Bolt Hole Spacing 4 31/32 in End Type Open End
Housing Material Composite Lubrication Non-Relubricatable
Mounted Unit Duty Corrosion Resistant-Duty
Seal Type Contact Seals
Base Height 3/4 in Bearing Design Non-Expansion
Bolt Hole Spacing Range [Min] 4 11/16 in Bolt Hole Spacing Range [Max] 5 1/4 in
Bolt Holes 2 Dynamic Capacity  
Housing Construction 1 Piece Housing Length  
Adapter Assembly   Axial Load [Max]  
Axial Load   Bearing Insert RRZ1104BRR
Bolt   Bolt Hole Length 53/64 in
Bolt Hole Size   Bolt Hole Spacing - Width [Min]  
Bolt Hole Spacing - Width   Bolt Hole Width 35/64 in
Bolt Size 1/2 in Center of Bearing to Back of Inner Ring  
Center of Bearing to End of Cover   Center of Bearing to Front of Inner Ring  
Collar Extension   Collar No.  
Collar O.D.   Color  
Dynamic Load Rating 5730 lbf Housing Height 3 21/32 in
Housing No.   Housing Radial Load  
Housing Width   Insert Type ZMaRC Coated Insert
Length Through Bore   Lock Nut  
Lock Washer   Lub Fitting Type  
Misalignment Range   Outer Ring Size 207
Overall Width 1 59/64 in Pedestal  
Pre Lubricant   Radial Internal Clearance Specification  
RPM [Min]   RPM [Max]  
RPM   SAF Series  
Series Marathon Series Shaft Diameter - Large End  
Shaft Diameter - Small End   Size Code  
Special Features   Stabilizing Ring  
Static Load Rating [Max] 3440 lbf Temperature Range [Min]  
Temperature Range [Max]   Total Float  
Triple Seal   USDA/FDA  
Product Information
The composite housing can be easily washed clean of contaminants encountered in food and beverage processing. Designed to provide corrosion resistance, food and beverage compatibility, and long service life.
  • Frequent washdowns
  • Food and liquid contaminants
  • Exposure to harsh cleaning agents
  • Hot and cold temperatures
  • Light gray, food-compatible polyamide composite housing with embedded steel coils
  • Filled polyurethane base
  • 304 stainless steel setscrews 120° apart
  • 304 stainless steel double contact seal and flinger
  • Stainless steel bolt hole insert
  • The unit's multi-functional seal has proven to be highly effective against wet and dry contaminants
  • In operation, the unit provides long and reliable service life even in contaminant-laden environments
  • USDA-approved, H1 synthetic grease for internal lubrication

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State of California Proposition 65 Product Warning