Marathon Series 4 Bolt Flange Pillow Block Bearing C4F104SS Wash Down Built Tough for Industrial Drives One Quarter Inch Shaft Three Five Eighths Inch Bolt Hole Spacing Contact Seals Setscrew Locking Inner Ring Ball Bearing

Marathon 4-Bolt Flange Pillow Block Bearing, SS Insert
✔️ 1-1/4 in shaft, 3-5/8 in bolt hole spacing, SS insert, single unit

The Marathon Series 4-Bolt Flange Pillow Block Bearing is a rugged, wash-down ready bearing unit used in heavy machinery, conveyors, and processing lines. Its stainless steel insert and food-grade housing stand up to frequent cleaning with harsh detergents and exposure to liquids in food, beverage, and pharmaceutical settings.

✅ Bearing type: Ball bearing
✅ Locking: Setscrew locking inner ring
✅ Housing material: Composite with 304 stainless steel insert
✅ Seal type: Contact seals with integrated flinger
✅ Lubrication: Non-relubricatable design (USDA-approved grease inside)
✅ Shaft size: 1-1/4 in; Bolt hole spacing: 3-5/8 in
✅ Dynamic load rating: 4560 lbf
✅ Static load rating: 3440 lbf
✅ End type: Open end; Overall width 1 53/64 in; Housing height 4 5/8 in

💡 What is a pillow block bearing used for in industrial machinery?

It's a handy way to support rotating shafts and keep them aligned in hard-working equipment.

- Used to support rotating shafts in conveyors, mixers, and machine tooling
- Handy for easy maintenance and quick shaft replacement in wash-down environments
- Improves reliability by maintaining clearance and reducing vibration in high-load setups