UCNFL203MZ2B 17 mm wide inner-ring zinc insert set-screw ball bearing, single, 2-bolt flange, black polymer housing, M10 bolt size, 1/4-28 UNF grease fitting, contact seal, relubricatable

Single 17 mm 2-bolt flange zinc-insert ball bearing
✔️ Black polymer NFL204 housing, M10 bolts, 1/4-28 UNF fitting

This single-row 2-bolt flange ball bearing has a zinc-plated insert and wide inner ring, ideal for general machinery, conveyors, and linear slide units where a sealed ball bearing with relubrication is needed.

✅ Model: UCNFL203MZ2B (single bearing)
✅ Inner diameter: 17 mm, wide inner ring
✅ Insert material: zinc plated ball-bearing insert
✅ Housing: black polymer NFL204 style, black color
✅ Bolt size: M10, 2-bolt flange mounting
✅ Locking: set screw type; insert wide inner ring
✅ Seal: contact seal with slinger for dust protection
✅ Lubrication: 1/4-28 UNF grease fitting, relubricatable

💡 What is a two-bolt flange ball bearing used for in conveyor and linear slide units? These bearings are a handy, compact way to support rotating shafts and keep equipment running smoothly. - Compact flange mount for easy installation on conveyor frames and linear slide units - Provides sealed ball bearing protection and relubrication options for longer life - Common for light to medium duty machinery, rollers, and shaft supports - Works well when you need set-screw locking and a polymer housing for corrosion resistance