Sealmaster® 550256 RFB Non-Expansion Round/Straight Bore Tapered Roller Bearing Unit, 2-1/2 in Dia Bore, 5-3/8 in L Bolt Center-to-Center, 4-Bolt Flange Mount, 6-7/8 in OAL/Dia
Sealmaster® RPB mounted tapered roller bearings are a dimensionally interchangeable upgrade from competitive Type E bearings. The exclusive features include unitized replaceable inserts, self aligning capability, split housing and the Sealmaster® alignment pin which provides for a direct path for lubrication into the bearing and helps prevent outer ring rotation. The Sealmaster® RPB is available with two traditional setscrew locking collars for easy installation. The felt seal with flinger provides a good balance between contaminant entry, grease retention and friction. Depending on application requirements, these bearings are available in both inch and metric with a wide variety of housing, sealing and lubrication options as illustrated on the pages to follow.
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BrandSealmaster®
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UPC662288480310
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Manufacturer Part Number550256
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CountryUSA
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Load Capacity9030 lb Dynamic
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Locking DeviceDouble Set Screw
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Temperature Rating250 deg F
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FinishUncoated
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Flange Mounting Type4-Bolt
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Maximum Speed2000 rpm
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TypeNon-Expansion Round/Straight Bore
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Seal MaterialFelt
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SeriesRFB
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Bearing MaterialCast Iron
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Bolt Center-to-Center Length5-3/8 in
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Bore Diameter2-1/2 in
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Overall Depth4-3/16 in
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Overall Height6-7/8 in
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Overall Length/Diameter6-7/8 in
- Heavy duty tapered roller bearings with steel cage for radial, thrust and combined loading
- Race-mounted felt-lined flinger seal
- Double-collar interlock with 120 deg spacing setscrew lock, diamond faceted setscrews
- Powder coat epoxy split cast iron housing
- Double-collar interlock with 120 deg spacing setscrew lock, diamond faceted setscrews
- Powder coat epoxy split cast iron housing
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Alternative Part NumberRFB 208
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UNSPSC31171501
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Package DescriptionEACH
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Catalog
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Instruction/Installation Manual
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Sealmaster® 550256 RFB Non-Expansion Round/Straight Bore Tapered Roller Bearing Unit, 2-1/2 in Dia Bore, 5-3/8 in L Bolt Center-to-Center, 4-Bolt Flange Mount, 6-7/8 in OAL/Dia
Sealmaster® RPB mounted tapered roller bearings are a dimensionally interchangeable upgrade from competitive Type E bearings. The exclusive features include unitized replaceable inserts, self aligning capability, split housing and the Sealmaster® alignment pin which provides for a direct path for lubrication into the bearing and helps prevent outer ring rotation. The Sealmaster® RPB is available with two traditional setscrew locking collars for easy installation. The felt seal with flinger provides a good balance between contaminant entry, grease retention and friction. Depending on application requirements, these bearings are available in both inch and metric with a wide variety of housing, sealing and lubrication options as illustrated on the pages to follow.
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Sealmaster® 550252 RFB Non-Expansion Round/Straight Bore Tapered Roller Bearing unit, 2 in Dia Bore, 4-3/8 in L Bolt Center-to-Center, 4-Bolt Flange Mount, 5-5/8 in OAL/Dia
Sealmaster® RPB mounted tapered roller bearings are a dimensionally interchangeable upgrade from competitive Type E bearings. The exclusive features include unitized replaceable inserts, self aligning capability, split housing and the Sealmaster® alignment pin which provides for a direct path for lubrication into the bearing and helps prevent outer ring rotation. The Sealmaster® RPB is available with two traditional setscrew locking collars for easy installation. The felt seal with flinger provides a good balance between contaminant entry, grease retention and friction. Depending on application requirements, these bearings are available in both inch and metric with a wide variety of housing, sealing and lubrication options.
