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Square Flange
Sealmaster SF-20RC
GEN GOLD SET SCREW
SF-20 is also available as
Dynamic Load Rating (lb)
4,381
Bore Shape
Straight
Rolling Element
Ball Bearing
Bolt Size (in)
7/16
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
- Single lip contact seal
- 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 | 4 1/4 | 108.0 | |
| D | 1 11/64 | 29.8 | |
| G | Foot Height | 17/32 | 13.5 |
| H | Overall Height | 1 9/16 | 39.7 |
| J | Length Through Bore | 1 1/2 | 38.1 |
| L | Inner Ring Outside Diameter | 1 19/32 | 40.5 |
| M | 3 7/32 | 81.8 | |
| N | 5/8 | 15.9 | |
| T_Core | 2 7/8 | 73.0 |
Values as printed for SF-20R, the base part of SF-20RC; the options in this part number do not change the housing. Verify critical dimensions before ordering.
- Bore Shape
- Straight
- Rolling Element
- Ball Bearing
- Bolt Size (in)
- 7/16
- Overall Width (in)
- 4.25
- Pilot Configuration
- No Pilot
- Overall Length (in)
- 4.25
- Housing Construction
- One Piece
- Overall Height (in)
- 1.563
- Housing Color
- Black
- Outer Ring Land Profile
- Standard
- Bore Size - Inch
- 1.25Shaft size chart
- Misalignment Type
- Static Only
- Foot Height (in)
- 0.53
- Cage Material
- PPS - Polyphenylene Sulfide
- Length Through Bore (in)
- 1.5
- Housing Type (Product Selection)
- Flange, Four Bolt
- Seal Type (Product Selection)
- Single Lip Contact Seal
- Housing Style
- Flange Block
- Inner Race Heat Treat Method
- Zone-Hardened
- Operating Temperature Range (F)
- -20 to 220
- Setscrew Torque (in-lbs)
- 85
- Ability to Relubricate
- Yes
- Misalignment Capability
- ±2.0° Misalignment - Static Only
- Static Load Rating (lb)
- 2,567
- Lubricant
- Lithium Complex NLGI 2 Grease
- Grease Fitting Thread Size
- 1/4-28
- Housing Coating
- Powder Coated
- Inner Ring Outside Diameter (in)
- 1.594
- Radial Clearance
- Standard
- Cage Type
- Land Riding Retainer
- Fixed vs. Expansion
- Fixed
- Vibration Frequency Roller Spin
- 0.0385
- Bearing Insert Finish
- Black Oxide
- Bearing Type
- Standard Duty
- Vibration Frequency Outer Ring Defect
- 0.0595
- Vibration Frequency Inner Ring Defect
- 0.0905
- Bolt Spacing (in)
- 3.2500
- Shaft Locking Type
- Set Screw
- Size Code
- 2-13
- Housing Material
- Cast Iron
- Vibration Frequency Fundamental Train
- 0.0066
- Bearing Insert Material
- 52100 Bearing Steel
- Housing Backside Inner Diameter
- 2.88
- Maximum Speed (RPM)
- 5450
- End Cap Available
- No
- Max Operating Temperature (F)
- 220
- Dynamic Load Rating (lb)
- 4,381
- Duty/Series
- Standard
- Optional Seal
- Contact
- Dynamic Load Rating (N)
- 19,487
Always verify dimensions, load ratings, material, and seal type before ordering.
- Brandi
- Sealmaster
- Mfg. Catalog Numberi
- SF-20RC
- Mfg. Part Numberi
- 703429
- GDS #i
- GDS-116337
- Categoryi
- Square Flange
- UPCi
- 662461021965
- Inserti
- 1-14C
SF-20 options
| Part # | Configuration | Price | View |
|---|---|---|---|
| SF-20 | Base configuration | $182.46 | View |
| SF-20C | Contact seal | $136.85 | View |
| SF-20R | Reduced housing envelope | $177.42 | View |
| SF-20RCThis part | Reduced housing envelope, contact seal | $205.63 | |
| SF-20RT | Reduced housing envelope, Skwezloc concentric locking collar | $222.37 | View |
| SF-20T | Skwezloc concentric locking collar | $172.96 | View |
| SF-20TC | Skwezloc concentric locking collar, contact seal | $363.53 | View |
| SF-20 HI | High-performance high temperature | $976.41 | View |
| SF-20 HT | High temperature | $300.33 | View |
| SF-20H RM | High-performance seal, Reduced maintenance | $879.27 | View |
| SF-20T CXU | Skwezloc concentric locking collar, Air-handling housing fit, noise tested | $204.99 | View |
| SF-20T HT | Skwezloc concentric locking collar, High temperature | $910.19 | View |
| SF-20T RM | Skwezloc concentric locking collar, Reduced maintenance | $1,023.21 | View |
Bearing insert used in this unit
| Part # | Name | Each |
|---|---|---|
| 700001 | 1-14 | $113.55 |
Common Questions
Is this a genuine Sealmaster part?
Yes. GDS Supply supplies the genuine Sealmaster SF-20RC, manufacturer article number 703429. Its UPC is 662461021965.
