UC217-55 4-Bolt Flange Bearing Housing Single Unit, 3-7/16 in I.D., Wide Inner Ring, 7/8 in Bolt Size, Set Screw Locking, Cast Iron F217 Style, Contact Seal w/ Slinger, 1/8-27 NPT Lube Port, 212°F Rated
✔️ ID 3-7/16 in, 7/8 in bolts, set screw lock, 1/8-27 NPT
This single-unit 4-bolt flange housing holds a sealed ball bearing insert for general purpose use in conveyors, augers, fans, and light industrial machinery where relubrication is required.
✅ Model: UC217-55, housing style F217, cast iron body✅ Insert: ball bearing, bearing steel, sealed ball bearing insert compatible
✅ I.D.: 3-7/16 in, inner ring width: wide, 4-bolt flange pattern
✅ Bolt size: 7/8 in, locking: set screw, seal: contact seal with slinger
✅ Lubrication: 1/8-27 NPT grease fitting tap, relubrication supported
✅ Temp rating: up to 212°F, common replacement for pillow block and linear slide unit setups
💡 What is a 4-bolt flange bearing housing used for in industrial conveyor and agricultural applications? A handy mounting unit that supports sealed ball bearing inserts and allows easy relubrication. - Ideal for mounting bearings on conveyors, augers, fans, and gearbox input shafts where a compact flange is needed. - Provides secure 4-bolt flange attachment with set screw locking for moderate radial and axial loads. - Use with sealed ball bearing inserts for reduced maintenance; compatible with linear slide unit arrangements and many replacement sealed bearing inserts.