Pillow Blocks
Sealmaster TB-31
Sealmaster Mounted Cast Iron Tapped Base Pillow Block Ball Bearing - 52100 Bearing Steel, Black Oxided - Setscrew Lock - TB-31
TB-31 is also available as
Dynamic Load Rating (lb)
7,889
Rolling Element
Ball Bearing
Housing Base
Solid
Thread Size
5/8-11
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 | Base to Center Height | 2 1/4 | 57.2 |
| B | Base Length | 5 1/2 | 139.7 |
| C | Bolt Spacing | 4 | 101.6 |
| D | Housing Width | 2 | 50.8 |
| H | Overall Height | 4 5/8 | 117.5 |
| J | 2 1/32 | 51.6 | |
| K | Centerline to Outermost Bearing Face | 1 9/32 | 32.5 |
| L | Inner Ring Outside Diameter | 2 15/32 | 62.7 |
Values as printed for TB-31. Verify critical dimensions before ordering.
- Rolling Element
- Ball Bearing
- Housing Base
- Solid
- Thread Size
- 5/8-11
- Base Width (in)
- 2
- Overall Length (in)
- 5.44
- Overall Height (in)
- 4.63
- Overall Width (in)
- 2.03
- Housing Construction
- One Piece
- Bore Shape
- Straight
- Housing Color
- Black
- Misalignment Type
- Static Only
- Bore Size - Inch
- 1.9375Shaft size chart
- Outer Ring Land Profile
- Standard
- Base to Center Height (in)
- 2.252
- Thread Depth (in)
- 0.88
- Cage Material
- PPS - Polyphenylene Sulfide
- Length Through Bore (in)
- 2.0312
- Seal Type (Product Selection)
- Felt Labyrinth Seal
- Housing Type (Product Selection)
- Pillow Block, Tapped Base
- Housing Style
- Pillow Block
- Ability to Relubricate
- Yes
- Inner Race Heat Treat Method
- Zone-Hardened
- Lubricant
- Lithium Complex NLGI 2 Grease
- Max Operating Temperature (F)
- 220
- Dynamic Load Rating (lb)
- 7,889
- Static Load Rating (lb)
- 5,216
- Base Length (in)
- 5.438
- End Cap Available
- No
- Housing Material
- Cast Iron
- Misalignment Capability
- ±2.0° Misalignment - Static Only
- Bolt Spacing (in)
- 4.000
- Centerline to Outermost Bearing Face (in)
- 1.281
- Housing Coating
- Powder Coated
- Radial Clearance
- Standard
- Size Code
- 2-115
- Bearing Insert Finish
- Black Oxide
- Cage Type
- Land Riding Retainer
- Inner Ring Outside Diameter (in)
- 2.4688
- Maximum Speed (RPM)
- 3550
- Fixed vs. Expansion
- Fixed
- Bearing Type
- Standard Duty
- Bearing Insert Material
- 52100 Bearing Steel
- Grease Fitting Thread Size
- 1/8 NPT
- Shaft Locking Type
- Set Screw
- Housing Width (in)
- 2
- Duty/Series
- Standard
- Optional Seal
- Contact
- Operating Temperature Range (F)
- -20° to 220°F
Always verify dimensions, load ratings, material, and seal type before ordering.
- Brandi
- Sealmaster
- Mfg. Catalog Numberi
- TB-31
- Mfg. Part Numberi
- 700884
- GDS #i
- GDS-115737
- Categoryi
- Pillow Blocks
- UPCi
- 662461007310
- Inserti
- 2-115
TB-31 options
| Part # | Configuration | Price | View |
|---|---|---|---|
| TB-31This part | Base configuration | $285.92 | |
| TB-31C | Contact seal | $348.65 | View |
| TB-31T | Skwezloc concentric locking collar | $291.74 | View |
| TB-31TC | Skwezloc concentric locking collar, contact seal | $373.52 | View |
| TB-31 HT | High temperature | $518.39 | View |
Bearing insert used in this unit
| Part # | Name | Each |
|---|---|---|
| 700034 | 2-115 | $153.57 |
Common Questions
Is this a genuine Sealmaster part?
Yes. GDS Supply supplies the genuine Sealmaster TB-31, manufacturer article number 700884. Its UPC is 662461007310.
