Description
The SealMaster SRF-20R is a 1-1/4″ bore rubber mounted flange bearing unit engineered for demanding HVAC, mechanical, and industrial power transmission applications. The rubber mounting insert isolates vibration and absorbs shock loads, protecting both the bearing and connected equipment from premature wear. The setscrew (SetLock) locking collar provides positive shaft retention without the need for keyways, simplifying installation and reducing downtime.
Key Features
- 1-1/4″ bore diameter for precise shaft fit
- Rubber mounted design absorbs vibration and dampens shock loads
- 4-bolt flange configuration for secure, rigid mounting
- SetLock setscrew locking collar for positive shaft retention
- Pre-lubricated and re-lube capable for extended service life
- Corrosion-resistant housing suitable for a variety of environments
- Drop-in replacement compatible with standard SRF-series flange bearing units
Typical Applications
- HVAC blower and fan shaft support
- Conveyor and material handling systems
- Pump and motor shaft assemblies
- Industrial power transmission equipment
- Agricultural and general machinery
Product Specifications
- Brand: SealMaster
- Model / SKU: SRF-20R
- Bore Size: 1-1/4″ (1.25″)
- Bearing Type: Rubber Mounted Flange Unit
- Locking Method: Setscrew (SetLock)
- Mounting Style: 4-Bolt Flange
- Insert Type: Rubber (vibration-isolating)







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