MBFPL6-20CB Set-Screw Locking 1-1/4 (31.75 mm) Narrow Inner Ring Stainless Ball Insert 4-Bolt Plastic Flange with Open Cover and Spring-Loaded Back Seal, Black Housing, 3/8-inch Bolts Single

1-1/4 in Narrow Set-Screw Flange Bearing, Single Unit
✔️ 1-1/4 in (31.75 mm) stainless insert, 4-bolt PBT housing, 3/8 bolts

This single 4-bolt flange pillow block bearing features a narrow 1-1/4 in (31.75 mm) inner ring with a 440C stainless steel ball insert, open cover and spring-loaded back seal. It’s commonly used in washdown areas, conveyor supports, gearboxes and linear slide unit mounting where sealed ball bearing performance and easy relubrication matter.

✅ Model: MBFPL6-20CB; series MBFPL200C; bearing MB6-20
✅ Shaft / I.D.: 1-1/4 in (31.75 mm)
✅ Inner ring: Narrow width; insert material 440C stainless steel
✅ Locking: Set screw type; insert is a sealed ball bearing design
✅ Housing: FPL206 PBT thermoplastic, black; 4-bolt flange style
✅ Bolt size: 3/8 in (9.525 mm); bolt pattern fits 4-bolt flange
✅ Covers: 2 open polypropylene covers; spring-loaded back seal included
✅ Lubrication: 1/4-28 UNF grease fitting tap; relubrication supported
✅ Duty: Standard washdown rating; high temp to 212 F (100 C) nominal
✅ Weight: 1.06 lb (0.48 kg); dimensions A 4-1/4 in (108 mm), E 3-1/4 in (82.6 mm)

💡 What is a 4-bolt flange pillow block bearing used for in washdown applications? This answer explains the general purpose and benefits in plain terms. - Commonly used to support shafts on conveyors, gearboxes and linear slide unit mounts where a sealed ball bearing is needed for cleanliness and uptime. - Provides a handy, easy-to-replace mounting with a sturdy 4-bolt flange for alignment and vibration resistance. - Works well where occasional relubrication is required; choose stainless or sealed inserts for corrosion resistance and washdown cycles.