Take-ups
Sealmaster ST-31T
Sealmaster Mounted Cast Iron Wide Slot Take Up Ball Bearing - 52100 Bearing Steel, Black Oxided - Concentric Lock - ST-31T
ST-31 is also available as
Series
ST
Dynamic Load Rating (lb)
7,889
Rolling Element
Ball Bearing
Housing Construction
One Piece
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
- Skwezloc® concentric locking for near perfect concentricity
- 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 1/2 | 114.3 | |
| B | Carriage Bolt Size | 3/4 | 19.1 |
| C | Slot Length | 3 3/8 | 85.7 |
| D | 5 7/8 | 149.2 | |
| F | 3 1/4 | 82.6 | |
| G | Adjusting Screw Square Nut Seat Height | 1 15/16 | 49.2 |
| H | Adjusting Screw Clearance Hole Diameter | 1 1/8 | 28.6 |
| J | 2 3/32 1 | 53.2 3 | |
| N | Slot Spacing | 4 | 101.6 |
| O | 4 5/8 | 117.5 | |
| P | 2 3/16 | 55.6 | |
| R | 2 5/16 | 58.7 | |
| S | 2 3/16 | 55.6 | |
| T | Slot Width | 11/16 |
Values as printed for ST-31T. Verify critical dimensions before ordering.
- Rolling Element
- Ball Bearing
- Housing Construction
- One Piece
- Overall Width (in)
- 2.19
- Overall Height (in)
- 4.63
- Bore Shape
- Straight
- Overall Length (in)
- 5.88
- Housing Color
- Black
- Misalignment Type
- Static Only
- Bore Size - Inch
- 1.9375Shaft size chart
- Outer Ring Land Profile
- Standard
- Base to Center Height (in)
- 3.57
- Cage Material
- PPS - Polyphenylene Sulfide
- Length Through Bore (in)
- 2.17
- Slot Width (in)
- 0.688
- Housing Type (Product Selection)
- Take-Up Block, Wide Slot
- Seal Type (Product Selection)
- Felt Labyrinth Seal
- Slot Length (in)
- 3.38
- Housing Style
- Take-Up Block
- Carriage Bolt Size (in)
- 3/4
- Adjusting Screw Square Nut Seat Height (in)
- 1.94
- Inner Race Heat Treat Method
- Zone-Hardened
- Ability to Relubricate
- Yes
- Locking Collar Outside Diameter (in)
- 3.35
- Slot Spacing (in)
- 4
- Adjusting Screw Clearance Hole Diameter (in)
- 1.13
- Fixed vs. Expansion
- Fixed
- Vibration Frequency Outer Ring Defect
- 0.0683
- Housing Material
- Cast Iron
- Vibration Frequency Roller Spin
- 0.0445
- Inner Ring Outside Diameter (in)
- 2.469
- Shaft Locking Type
- Concentric
- Maximum Speed (RPM)
- 5000
- Vibration Frequency Inner Ring Defect
- 0.0984
- Vibration Frequency Fundamental Train
- 0.0068
- End Cap Available
- No
- Housing Coating
- Powder Coated
- Lubricant
- Lithium Complex NLGI 2 Grease
- Grease Fitting Thread Size
- 1/8 NPT
- Max Operating Temperature (F)
- 220
- Static Load Rating (lb)
- 5,216
- Radial Clearance
- Standard
- Bearing Insert Finish
- Black Oxide
- Misalignment Capability
- ±2.0° Misalignment - Static Only
- Bearing Insert Material
- 52100 Bearing Steel
- Size Code
- 2-115
- Bearing Type
- Standard Duty
- Dynamic Load Rating (lb)
- 7,889
- Centerline to Outermost Bearing Face (in)
- 1.42
- Cage Type
- Land Riding Retainer
- Duty/Series
- Standard
- Optional Seal
- Contact
- Operating Temperature Range (F)
- -20° to 220°F
- Dynamic Load Rating (N)
- 35,090
Always verify dimensions, load ratings, material, and seal type before ordering.
- Brandi
- Sealmaster
- Mfg. Catalog Numberi
- ST-31T
- Mfg. Part Numberi
- 705538
- GDS #i
- GDS-116973
- Categoryi
- Take-ups
- UPCi
- 662461030929
- Seriesi
- ST
- Inserti
- 2-115T
ST-31 options
| Part # | Configuration | Price | View |
|---|---|---|---|
| ST-31 | Base configuration | $321.77 | View |
| ST-31C | Contact seal | $355.01 | View |
| ST-31TThis part | Skwezloc concentric locking collar | $362.30 | |
| ST-31 HI | High-performance high temperature | $518.99 | View |
| ST-31 HT | High temperature | $456.94 | View |
Bearing insert used in this unit
| Part # | Name | Each |
|---|---|---|
| 705321 | 2-115T | $186.18 |
Common Questions
What is the minimum order quantity for the ST-31T?
The minimum order quantity for the ST-31T is 10 units.
Is this a genuine Sealmaster part?
Yes. GDS Supply supplies the genuine Sealmaster ST-31T, manufacturer article number 705538. Its UPC is 662461030929.
