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Square Flange
Sealmaster RFBA 203
FLANGE STK
Series
RFB
Expansion
Non-Expansion Bearing (Fixed)
Rolling Element
Tapered Roller
Speed (Max)
2500
Need help confirming fit? Send us the current part number, shaft size, housing photo, or equipment model.
Product Overview
- Heavy duty tapered roller bearings with steel cage for radial, thrust and combined loading
- Race-mounted felt-lined flinger seal
- Single-collar interlock with 120° spacing setscrew lock, diamond faceted setscrews
- Powder coat epoxy split cast iron housing
- Expansion
- Non-Expansion Bearing (Fixed)
- Rolling Element
- Tapered Roller
- Speed (Max)
- 2500
- Bore Shape
- Straight
- Seal Type
- Felt Labyrinth Seal
- Housing Type
- Flange, Four Bolt
- Housing Material
- Cast Iron
- Insert Material
- 52100 Bearing Steel
- Measure Units
- Inch
- Housing Base
- Solid
- Housing Width (in)
- 3.25
- Bolt Center-to-Center Length (in)
- 4.8750
- Overall Width (in)
- 3.875
- Bolt Center Diameter (in)
- 6.9063
- Overall Length (in)
- 6.25
- Bolt Size (in)
- 0.625
- Pilot Configuration
- No Pilot
- Locking Type
- Collar Mount
- Housing Construction
- Split Two Piece
- Base Width (in)
- 1.375
- Radial Dynamic Load Capacity (lb)
- 8,570
- Overall Height (in)
- 3.875
- Internal Clearance
- Standard
- Misalignment
- ±3.0° Misalignment - Static Only
- End Cap
- No
- Outer Ring Land Profile
- Standard
- Platform
- RPB Series
- Misalignment Type
- Static Only
- Bearing Insert Coating
- Uncoated
- Replaceable Insert
- Yes
- Retainer Material
- Steel
- Bore Size - Inch
- 2.1875Shaft size chart
- Housing Color
- Gray
- Inner Race Length (in)
- 3.75
- Foot Height (in)
- 1.375
- Centerline to Front Face (in)
- 2.5
- Grease Fitting Thread Size
- 1/8 NPT
- Insert Number
- RCIA-203
- Housing Style
- Flange Block
- Collar Outer Diameter (in)
- 3.625
- Maximum Operating Temperature (F)
- 220
- Lubrication Type
- Lithium; EP; NLGI#2
- Inner Race Heat Treat Method
- Case Carburized Inner Ring
- Ability to Relubricate
- Yes
- Duty/Series
- Standard
Always verify dimensions, load ratings, material, and seal type before ordering.
- Brandi
- Sealmaster
- Mfg. Catalog Numberi
- RFBA 203
- Mfg. Part Numberi
- 551893
- GDS #i
- GDS-114139
- Categoryi
- Square Flange
- UPCi
- 662288483304
- Seriesi
- RFB
Common Questions
Is this a genuine Sealmaster part?
Yes. GDS Supply supplies the genuine Sealmaster RFBA 203, manufacturer article number 551893. Its UPC is 662288483304.
