Take-ups
Sealmaster MST-31
Sealmaster Mounted Cast Iron Wide Slot Take Up Ball Bearing - 52100 Bearing Steel, Black Oxided - Setscrew Lock - MST-31
MST-31 is also available as
- MST-31$375.31
- MST-31C$467.36
- MST-31TQuote
- MST-31TC$1,395.09
Series
MST
Dynamic Load Rating (lb)
9,752
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
- Zone hardened inner ring with 120° spacing setscrew with diamond faceted setscrews
- 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 , dimple for direct lubrication and anti-rotation
Dimensions
| Dim. | Meaning | in | mm |
|---|---|---|---|
| A | 5 | 127.0 | |
| B | 1 | 25.4 | |
| C | Slot Length | 3 3/4 | 95.3 |
| D | 6 3/4 | 171.5 | |
| F | 4 | 101.6 | |
| G | 2 1/2 | 63.5 | |
| H | 1 3/8 | 34.9 | |
| J | 2 3/16 | 55.6 | |
| K | 1 5/16 | 33.3 | |
| N | 5 1/8 | 130.2 | |
| O | 5 3/4 | 146.1 | |
| P | 2 1/4 | 57.2 | |
| R | 2 9/16 | 65.1 | |
| S | 2 7/16 | 61.9 | |
| T | 11/16 |
Values as printed for MST-31. Verify critical dimensions before ordering.
- Rolling Element
- Ball Bearing
- Housing Construction
- One Piece
- Overall Height (in)
- 5.81
- Overall Length (in)
- 6.81
- Overall Width (in)
- 2.25
- Bore Shape
- Straight
- Housing Color
- Black
- Bore Size - Inch
- 1.9375Shaft size chart
- Misalignment Type
- Static Only
- Outer Ring Land Profile
- Standard
- Base to Center Height (in)
- 4.19
- Cage Material
- PPS - Polyphenylene Sulfide
- Length Through Bore (in)
- 2.185
- Slot Width (in)
- 1.063
- Housing Type (Product Selection)
- Take-Up Block, Wide Slot
- Seal Type (Product Selection)
- Felt Labyrinth Seal
- Slot Length (in)
- 3.75
- Housing Style
- Take-Up Block
- Adjusting Screw Square Nut Seat Height (in)
- 2.5
- Carriage Bolt Size (in)
- 1
- Inner Race Heat Treat Method
- Zone-Hardened
- Slot Spacing (in)
- 5.125
- Ability to Relubricate
- Yes
- Adjusting Screw Clearance Hole Diameter (in)
- 1.38
- Misalignment Capability
- ±2.0° Misalignment - Static Only
- Lubricant
- Lithium Complex NLGI 2 Grease
- Cage Type
- Land Riding Retainer
- Housing Material
- Cast Iron
- Grease Fitting Thread Size
- 1/8 NPT
- Bearing Insert Finish
- Black Oxide
- Vibration Frequency Fundamental Train
- 0.0068
- Inner Ring Outside Diameter (in)
- 2.719
- Housing Coating
- Powder Coated
- Bearing Insert Material
- 52100 Bearing Steel
- Shaft Locking Type
- Set Screw
- Size Code
- 2-23
- Max Operating Temperature (F)
- 220
- Centerline to Outermost Bearing Face (in)
- 1.313
- End Cap Available
- No
- Vibration Frequency Inner Ring Defect
- 0.0987
- Fixed vs. Expansion
- Fixed
- Vibration Frequency Outer Ring Defect
- 0.0680
- Vibration Frequency Roller Spin
- 0.0437
- Bearing Type
- Medium Duty
- Maximum Speed (RPM)
- 3250
- Static Load Rating (lb)
- 6,601
- Radial Clearance
- Standard
- Dynamic Load Rating (lb)
- 9,752
- Duty/Series
- Medium
- Optional Seal
- Contact
- Operating Temperature Range (F)
- -20° to 220°F
- Dynamic Load Rating (N)
- 43,377
Always verify dimensions, load ratings, material, and seal type before ordering.
- Brandi
- Sealmaster
- Mfg. Catalog Numberi
- MST-31
- Mfg. Part Numberi
- 700158
- GDS #i
- GDS-115370
- Categoryi
- Take-ups
- UPCi
- 662461001356
- Seriesi
- MST
- Inserti
- 3-115
MST-31 options
| Part # | Configuration | Price | View |
|---|---|---|---|
| MST-31This part | Base configuration | $375.31 | |
| MST-31C | Contact seal | $467.36 | View |
| MST-31T | Skwezloc concentric locking collar | Request quote | View |
| MST-31TC | Skwezloc concentric locking collar, contact seal | $1,395.09 | View |
Bearing insert used in this unit
| Part # | Name | Each |
|---|---|---|
| 700080 | 3-115 | $192.07 |
Common Questions
Is this a genuine Sealmaster part?
Yes. GDS Supply supplies the genuine Sealmaster MST-31, manufacturer article number 700158. Its UPC is 662461001356.
