1/2 in Narrow Ball Bearing Insert with Set-Screw Lock, 3-Bolt Malleable Iron Flange Housing, Contact Seal, 1/4 in Bolt Size, 1/4-28 UNF Grease Fitting, Single Unit

1/2 in Narrow Bore Set-Screw Ball Bearing Single Unit
✔️ Malleable iron 3-bolt flange, 1/2 in ID, 1/4 in bolts, sealed

This is a single 1/2 in narrow inner-ring ball bearing insert in a 3-bolt malleable iron flange housing, built for shaft support in conveyor, packaging, agricultural and light industrial applications where a sealed ball bearing with easy relubrication is needed.

✅ Bore (I.D.): 1/2 in (0.5 in)
✅ Inner ring: Narrow width for compact shafts
✅ Insert type: Ball bearing, bearing steel material
✅ Locking: Set-screw locking for simple shaft attachment
✅ Housing: Malleable iron, 3-bolt flange (TM203 style)
✅ Bolt size: 1/4 in bolts, 3-bolt pattern
✅ Seal: Contact seal for dust and light contamination protection
✅ Lubrication: 1/4-28 UNF grease fitting, relubrication allowed
✅ Temp rating: Standard duty up to 212 F, single unit, 0.480 lb weight

💡 What is a 3-bolt flange bearing used for in conveyor and linear slide unit applications? Reliable shaft support for rotating rollers and slides in material handling and automation systems. - Provides compact, sealed ball bearing support for conveyor shafts and light-duty linear slide units - Set-screw locking insert makes installation quick without complex adapter sleeves - Contact sealed insert protects the bearing while a 1/4-28 UNF grease fitting allows periodic relubrication