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Square Flange
Sealmaster SF-204
GOLD SOFT METRIC UNITS
SF-204 is also available as
- SF-204$167.64
- SF-204TMC$244.58
Dynamic Load Rating (lb)
2,611 lb
Bolt Size (in)
3/8 in
Bore Size - Metric
20
Seal Type (Product Selection)
Felt Labyrinth Seal
Need help confirming fit? Send us the current part number, shaft size, housing photo, or equipment model.
Product Overview
- Powder coated epoxy cast iron housing with extended inner ring bearings
- Zone hardened inner ring with 120° spacing setscrew locking with diamond faceted setscrews
- Felt labyrinth seal and flinger for dry and dusty environment
- Unique land riding retainer design provides superior pocket clearance that allows for 360° grease circulation around the rolling elements resulting in better retained and utilized lubrication.
- Sealmaster® exclusive lock pin and dimple for direct lubrication and anti-rotation
Dimensions
| Dim. | Meaning | in | mm |
|---|---|---|---|
| A | 3 3/8 | 85.7 | |
| D | 59/64 | 23.4 | |
| G | Foot Height | 7/16 | 11.1 |
| H | Overall Height | 1 9/32 | 32.5 |
| J | Length Through Bore | 1 7/32 | 31.0 |
| L | Inner Ring Outside Diameter | 1 3/16 | 30.2 |
| M | 2 11/32 | 59.5 | |
| N | 1/2 | 12.7 | |
| T_Core | 2 | 50.8 |
Values as printed for SF-204. Verify critical dimensions before ordering.
- Bolt Size (in)
- 3/8 in
- Bore Size - Metric
- 20Shaft size chart
- Seal Type (Product Selection)
- Felt Labyrinth Seal
- Overall Width (in)
- 3.38 in
- Overall Length (in)
- 3.38 in
- Housing Type (Product Selection)
- Flange, Four Bolt
- Overall Height (in)
- 1.281 in
- Bore Diameter (mm)
- 20 mm
- Foot Height (in)
- 0.44 in
- Length Through Bore (in)
- 1.219 in
- Bolt Spacing (in)
- 2.5000 in
- Rolling Element
- Ball Bearing
- Bore Shape
- Straight
- Pilot Configuration
- No Pilot
- Housing Construction
- One Piece
- Misalignment Type
- Static Only
- Outer Ring Land Profile
- Standard
- Housing Color
- Black
- Cage Material
- PPS - Polyphenylene Sulfide
- Seal Type
- Felt Labyrinth Seal
- Housing Type
- Flange, Four Bolt
- Housing Style
- Flange Block
- Ability to Relubricate
- Yes
- Inner Race Heat Treat Method
- Zone-Hardened
- Cage Type
- Land Riding Retainer
- Vibration Frequency Fundamental Train
- 0.0066 cps
- Vibration Frequency Inner Ring Defect
- 0.0907 cps
- Inner Ring Outside Diameter (in)
- 1.192 in
- Lubricant
- Lithium Complex NLGI 2 Grease
- Dynamic Load Rating (lb)
- 2,611 lb
- Housing Material
- Cast Iron
- Bearing Insert Finish
- Black Oxide
- Radial Clearance
- Standard
- Shaft Locking Type
- Set Screw
- Max Operating Temperature (F)
- 220 °F
- End Cap Available
- No
- Misalignment Capability
- ±2.0° Misalignment - Static Only
- Maximum Speed (RPM)
- 7300 rpm
- Housing Coating
- Powder Coated
- Housing Backside Inner Diameter
- 2
- Fixed vs. Expansion
- Fixed
- Static Load Rating (lb)
- 1,444 lb
- Grease Fitting Thread Size
- 1/4-28
- Size Code
- 2-012
- Vibration Frequency Outer Ring Defect
- 0.0593 cps
- Vibration Frequency Roller Spin
- 0.0381 cps
- Bearing Type
- Standard Duty
- Bearing Insert Material
- 52100 Bearing Steel
- Duty/Series
- Standard
- Optional Seal
- Contact
- Operating Temperature Range (F)
- -20° to 220°F
- Bore Size - Inch
- 3/4Shaft size chart
- Dynamic Load Rating (N)
- 11,614
Always verify dimensions, load ratings, material, and seal type before ordering.
- Brandi
- Sealmaster
- Mfg. Catalog Numberi
- SF-204
- Mfg. Part Numberi
- 709986
- GDS #i
- GDS-117489
- Categoryi
- Square Flange
- UPCi
- 662461052259
- Inserti
- 5204
- Country of Origini
- United States of America
SF-204 options
| Part # | Configuration | Price | View |
|---|---|---|---|
| SF-204This part | Base configuration | $167.64 | |
| SF-204TMC | Skwezloc concentric locking collar, metric hardware, contact seal | $244.58 | View |
Bearing insert used in this unit
| Part # | Name | Each |
|---|---|---|
| 700010 | 5204 | $103.45 |
Common Questions
What is the bore diameter of the SF-204?
The SF-204 has a bore diameter of 20 mm. The specification table above lists every published dimension for this part.
Is this a genuine Sealmaster part?
Yes. GDS Supply supplies the genuine Sealmaster SF-204, manufacturer article number 709986. Its UPC is 662461052259.
