Sealmaster RPB, RFB & RFP Series

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Features & Benefits

• Sealmaster® RPB series heavy duty tapered roller bearings designed for radial, thrust and combination loading are available with a wide variety of features:
• Inch and metric bore size from 1 3/16" – 5” bore and 35 to 125 mm
• Multiple housing styles
• 2 and 4 bolt pillow block (RPB)
• 4 bolt flange (RFB)
• Piloted flange (RFP)
• Multiple locking styles
• Double lock collar as standard
• Single lock collar specify a –A style
• Multiple sealing options
• Non-expansion and expansion
• Unitized, replaceable cartridge insert allowing +/- 3° static misalignment capability has factory controlled clearances and is factory lubricated.
• Durable, cast iron, split housings allow for quick insert replacement when change-out is needed while the housing base remains fixed and aligned with the shaft, reducing downtime and maintenance costs.
• Black oxide standard on outer rings, lock collars and seal components inhibits corrosion.
• Anti-rotation pin prevents the bearing OD from creep/rotation due to vibration over time.
• Direct lube and venting system:
• Provides a direct lubrication path into the bearing.
• Secondary internal relief port prevents seal damage by venting pressure from over greasing.
• Grease fitting position at 30° resulting in less chance of being broken off.
• Race mounted seals are not subject to misalignment distortion and direct contaminant away from the sealing surface available as:
• Standard felt lined flinger seal, which acts as a filter to help exclude dry, dusty and dirty contaminants.
• Contact seal available for wet, moist conditions (-C).
• Nomex* lined flinger seal for high temperature applications up to 400°F (-N).
• Lock collars with two, diamond faceted point setscrews at 120° for balanced, three point contact.
• Expansion roller bearing pillow blocks available for use when significant temperature differentials are expected between shafts and mounting structures or shaft is unusually long – specify ERPB.
• Permanent metal nameplate allows for easy identification after years of operation.