The Sealmaster® SCHB48 Hanger Bearing Assembly is a heavy-duty, precision-engineered unit designed for screw conveyor applications operating in dry and dusty environments. Featuring a powder-coated ductile iron housing and zone-hardened inner ring bearings, this assembly delivers superior strength, reliability, and long service life.

Equipped with diamond-faceted set screws for secure shaft locking and a felt labyrinth seal with flinger for effective dust protection, the SCHB48 ensures smooth operation under demanding industrial conditions. The innovative land-riding retainer design allows for 360° grease circulation around the rolling elements, ensuring optimal lubrication and minimal maintenance.

Key Features

3" bore diameter – ideal for heavy industrial applications
Powder-coated ductile iron housing for superior strength and corrosion resistance
Zone-hardened inner ring with 120° set screw locking and diamond-faceted screws
Felt labyrinth seal and flinger for protection in dusty environments
Land-riding retainer design promotes complete grease circulation
Sealmaster® exclusive lock pin and dimple for direct lubrication and anti-rotation
Fixed (non-expansion) bearing configuration
±2° static misalignment capability

Specifications

Bearing Material: 52100 Bearing Steel, Black Oxided
Bore Diameter: 3 in
Housing Material: Ductile Iron
Seal Type: Felt Labyrinth
Locking Device: Set Screw
Expansion Type: Non-Expansion (Fixed)
Operating Temperature: up to 220°F (104°C)
Overall Height: 8.31 in
Overall Width: 3.00 in
Outside Diameter: 6.88 in
Thread Size: 1 ½ - 11 ½ in
Thread Length: 1.25 in
Replacement Bearing: SK-110

Built for performance and longevity, the Sealmaster SCHB48 delivers dependable operation and ease of maintenance in high-demand screw conveyor systems.