Take-ups
Sealmaster ST-20C
GOLD BRGS BULK MATL
ST-20 is also available as
Series
ST
Dynamic Load Rating (lb)
5,782
Rolling Element
Ball Bearing
Bore Shape
Straight
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 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 | 3 15/16 | 100.0 | |
| B | Carriage Bolt Size | 5/8 | 15.9 |
| C | Slot Length | 2 1/2 | 63.5 |
| D | 5 1/16 | 128.6 | |
| F | 2 1/2 | 63.5 | |
| G | Adjusting Screw Square Nut Seat Height | 1 7/16 | 36.5 |
| K | /16 1 | .9 25.4 | |
| L | Inner Ring Outside Diameter | 1 55/64 | 47.2 |
| N | Slot Spacing | 3 1/2 | 88.9 |
| O | 4 | 101.6 | |
| P | 1 3/4 | 44.5 | |
| R | 2 | 50.8 | |
| S | 1 15/16 | 49.2 | |
| T | Slot Width | 17/32 |
Values as printed for ST-20, the base part of ST-20C; the options in this part number do not change the housing. Verify critical dimensions before ordering.
- Rolling Element
- Ball Bearing
- Bore Shape
- Straight
- Overall Width (in)
- 1.75
- Overall Height (in)
- 4.00
- Overall Length (in)
- 5.06
- Housing Construction
- One Piece
- Misalignment Type
- Static Only
- Bore Size - Inch
- 1.25Shaft size chart
- Outer Ring Land Profile
- Standard
- Housing Color
- Black
- Base to Center Height (in)
- 3.06
- Cage Material
- PPS - Polyphenylene Sulfide
- Length Through Bore (in)
- 1.685
- Slot Width (in)
- 0.531
- Housing Type (Product Selection)
- Take-Up Block, Wide Slot
- Seal Type (Product Selection)
- Single Lip Contact Seal
- Slot Length (in)
- 2.50
- Housing Style
- Take-Up Block
- Adjusting Screw Square Nut Seat Height (in)
- 1.44
- Adjusting Screw Clearance Hole Diameter (in)
- 0.88
- Slot Spacing (in)
- 3.500
- Ability to Relubricate
- Yes
- Carriage Bolt Size (in)
- 5/8
- Inner Race Heat Treat Method
- Zone-Hardened
- Misalignment Capability
- ±2.0° Misalignment - Static Only
- Vibration Frequency Outer Ring Defect
- 0.0595
- Grease Fitting Thread Size
- 1/4-28
- Inner Ring Outside Diameter (in)
- 1.859
- Vibration Frequency Inner Ring Defect
- 0.0905
- Lubricant
- Lithium Complex NLGI 2 Grease
- Radial Clearance
- Standard
- Bearing Insert Finish
- Black Oxide
- Bearing Insert Material
- 52100 Bearing Steel
- Shaft Locking Type
- Set Screw
- Max Operating Temperature (F)
- 220
- Vibration Frequency Roller Spin
- 0.0386
- Static Load Rating (lb)
- 3,493
- Size Code
- 2-17
- Bearing Type
- Standard Duty
- Fixed vs. Expansion
- Fixed
- Cage Type
- Land Riding Retainer
- Maximum Speed (RPM)
- 4650
- Centerline to Outermost Bearing Face (in)
- 1.00
- End Cap Available
- No
- Housing Coating
- Powder Coated
- Vibration Frequency Fundamental Train
- 0.0066
- Dynamic Load Rating (lb)
- 5,782
- Housing Material
- Cast Iron
- Duty/Series
- Standard
- Optional Seal
- Contact
- Operating Temperature Range (F)
- -20° to 220°F
- Dynamic Load Rating (N)
- 25,718
Always verify dimensions, load ratings, material, and seal type before ordering.
- Brandi
- Sealmaster
- Mfg. Catalog Numberi
- ST-20C
- Mfg. Part Numberi
- 703701
- GDS #i
- GDS-116432
- Categoryi
- Take-ups
- UPCi
- 662461024010
- Seriesi
- ST
- Inserti
- 2-14C
ST-20 options
| Part # | Configuration | Price | View |
|---|---|---|---|
| ST-20 | Base configuration | $238.99 | View |
| ST-20CThis part | Contact seal | $268.76 | |
| ST-20R | Reduced housing envelope | $265.97 | View |
| ST-20RC | Reduced housing envelope, contact seal | $788.12 | View |
| ST-20T | Skwezloc concentric locking collar | $263.33 | View |
| ST-20R RM | Reduced housing envelope, Reduced maintenance | $822.64 | View |
| ST-20RC RM | Reduced housing envelope, contact seal, Reduced maintenance | $843.21 | View |
Bearing insert used in this unit
| Part # | Name | Each |
|---|---|---|
| 700020 | 2-14 | $191.01 |
Common Questions
Is this a genuine Sealmaster part?
Yes. GDS Supply supplies the genuine Sealmaster ST-20C, manufacturer article number 703701. Its UPC is 662461024010.
