20mm Set-Screw Flange MUC204 FBL204 Sealed Ball Bearing, Stainless Steel Insert in Black Polymer 3-Bolt Housing with M10 Bolts, Wide Inner Ring, Lubrication Port, Single Unit

Single 20mm sealed ball bearing in 3-bolt housing
✔️ Set-screw lock, 20 mm ID, 440C stainless insert, M10 bolts

This single sealed ball bearing (MUC204 / FBL204) is a 3-bolt flange unit with a black PBT polymer housing and stainless steel insert, built for washdown and general industrial shaft support.

✅ Model: MUC204 insert / Housing: FBL204 3-bolt flange
✅ Inner diameter: 20 mm; wide inner ring
✅ Insert material: 440C stainless steel, set-screw locking
✅ Seal: contact seal with slinger for washdown protection
✅ Housing: black PBT thermoplastic, corrosion-resistant
✅ Bolt size: M10, 3-bolt mounting pattern
✅ Lubrication: 1/4-28 UNF grease fitting; relubrication allowed
✅ Single bearing pack; works well with linear slide unit and shaft support

💡 What is a flanged sealed ball bearing used for in washdown or shaft support applications? Flanged sealed ball bearings give dependable shaft support while keeping out water and debris. Here's why they're handy in those setups: - Provide stable radial support for shafts in flange or pillow block mounts, aiding alignment and load handling - Sealed contact design and stainless steel insert resist corrosion and contamination in washdown environments - Grease port (1/4-28 UNF) and relubrication extend service life under frequent cleaning - Compatible with linear slide unit setups, light conveyors, and general industrial machinery