Overview
The Sealmaster 701231 Gold Line FB-10-5/8″ is a precision flange mount bearing unit engineered for reliable performance in industrial machinery and mechanical power transmission. This mounted bearing features 52100 bearing steel with black oxide finish, setscrew lock, and a three-bolt flange bracket housing. The black oxide treated bearing steel insert features an exclusive lock pin and dimple system providing direct lubrication paths into the bearing and prevents outer ring rotation.
Key Features
- Non-expansion (fixed) design with 0.625″ straight bore and ±2.0° static-only misalignment tolerance
- Felt labyrinth seal with zone-hardened inner race and replaceable bearing insert
- Felt seal with flinger provides balanced protection against contaminant entry and GoldPlex® HP grease loss
- Powder coated epoxy cast iron housing with extended inner ring bearings and 120° spacing setscrew locking with diamond faceted setscrews
- Lithium complex NLGI 2 grease, relubricatable
- Exclusive lock pin and dimple for direct lubrication and anti-rotation
Technical Specifications
The Sealmaster 701231 delivers consistent performance across demanding industrial applications with these verified specifications:
Typical Applications
This flange mount bearing is designed for industrial automation and mechanical power transmission applications. Common uses include conveyor drive systems, pump mounting, motor coupling, and fan assemblies. Most mounted bearings operate in challenging sealing and lubrication conditions, and Sealmaster Gold bearings have a reputation for increasing application up-time.
Compatibility & Replacements
Compatible With
- Standard industrial shaft diameters: 5/8″ bore equipment
- Vertical and horizontal mounting applications
- Conveyor systems and machinery requiring flange-mount bearing units
- Systems requiring setscrew shaft locking
- OEM and retrofit industrial machinery
Replaces / Drop-In Replacement For
The Sealmaster 701231 is the replacement insert bearer unit for FB-10 flange mount applications. Verify compatibility with your equipment manufacturer or system integrator before ordering for guaranteed fit and function.
Works With
- Standard industrial greasing systems
- Lithium complex NLGI 2 grease lubrication
- Direct flange mounting to cast iron or steel housings
- Setscrew shaft locking assemblies

