Description
The Regal Rexnord Rollway Bearings 6311EMQ is a precision-engineered open deep-groove ball bearing designed for demanding HVAC, industrial motor, blower, and mechanical drive applications. Manufactured under the trusted Rollway Bearings brand — part of the Regal Rexnord family — this bearing delivers consistent radial load performance, low friction operation, and long service life in both commercial and industrial environments.
Key Features
- 55mm bore (inner diameter) for compatibility with standard motor and blower shafts
- Open design allows for easy field lubrication and suits applications where contamination is not a primary concern
- Deep-groove raceway geometry supports both radial and moderate axial loads
- Precision-ground raceways for reduced vibration and noise — ideal for fan and blower motor applications
- High-quality steel construction for durability in continuous-duty HVAC and mechanical systems
- Manufactured to ISO and ABMA dimensional standards for drop-in replacement compatibility
Specifications
- SKU: 6311EMQ
- Brand: Regal Rexnord / Rollway Bearings
- Bearing Type: Open Deep-Groove Ball Bearing
- Bore (Inner Diameter): 55mm
- Bearing Series: 6311
- Design: Open (no shields or seals)
Common Applications
- HVAC blower and fan motors
- Commercial air handling unit (AHU) shaft support
- Industrial motor and pump assemblies
- Belt-driven mechanical systems
- General-purpose rotating equipment requiring a 55mm bore bearing
The 6311EMQ is a reliable, industry-standard replacement bearing suitable for a wide range of HVAC and mechanical equipment. Its open configuration makes it well-suited for applications where the bearing will be periodically re-lubricated as part of routine maintenance.
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