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Pillow Blocks
Sealmaster TB-20RT
GOLD BRGS UNIT MATL
TB-20 is also available as
Dynamic Load Rating (lb)
4,381
Housing Base
Solid
Rolling Element
Ball Bearing
Thread Size
7/16-14
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 | 1 11/16 | 42.9 | |
| B | 4 | 101.6 | |
| C | 3 | 76.2 | |
| D | 1 1/2 | 38.1 | |
| H | 3 13/32 | 86.5 | |
| J | 1 9/16 | 39.7 | |
| K | 15/16 | 23.8 | |
| L | 2 3/16 | 55.6 |
Values as printed for TB-20RT. Verify critical dimensions before ordering.
- Housing Base
- Solid
- Rolling Element
- Ball Bearing
- Thread Size
- 7/16-14
- Overall Height (in)
- 3.41
- Overall Length (in)
- 4
- Base Width (in)
- 1.50
- Bore Shape
- Straight
- Housing Construction
- One Piece
- Overall Width (in)
- 1.61
- Bore Size - Inch
- 1.25Shaft size chart
- Housing Color
- Black
- Misalignment Type
- Static Only
- Outer Ring Land Profile
- Standard
- Base to Center Height (in)
- 1.688
- Thread Depth (in)
- 0.63
- Cage Material
- PPS - Polyphenylene Sulfide
- Length Through Bore (in)
- 1.563
- Housing Type (Product Selection)
- Pillow Block, Tapped Base
- Seal Type (Product Selection)
- Felt Labyrinth Seal
- Housing Style
- Pillow Block
- Ability to Relubricate
- Yes
- Inner Race Heat Treat Method
- Zone-Hardened
- Locking Collar Outside Diameter (in)
- 2.19
- Setscrew Torque (in-lbs)
- 70
- Vibration Frequency Outer Ring Defect
- 0.0595
- Cage Type
- Land Riding Retainer
- Static Load Rating (lb)
- 2,567
- Maximum Speed (RPM)
- 7600
- Lubricant
- Lithium Complex NLGI 2 Grease
- Centerline to Outermost Bearing Face (in)
- 0.94
- End Cap Available
- No
- Vibration Frequency Inner Ring Defect
- 0.0905
- Shaft Locking Type
- Concentric
- Bearing Type
- Standard Duty
- Max Operating Temperature (F)
- 220
- Radial Clearance
- Standard
- Housing Coating
- Powder Coated
- Grease Fitting Thread Size
- 1/4-28
- Bearing Insert Material
- 52100 Bearing Steel
- Bearing Insert Finish
- Black Oxide
- Bolt Spacing (in)
- 3.00
- Vibration Frequency Roller Spin
- 0.0385
- Misalignment Capability
- ±2.0° Misalignment - Static Only
- Size Code
- 2-13
- Dynamic Load Rating (lb)
- 4,381
- Base Length (in)
- 4.00
- Fixed vs. Expansion
- Fixed
- Housing Material
- Cast Iron
- Vibration Frequency Fundamental Train
- 0.0066
- Inner Ring Outside Diameter (in)
- 1.594
- Housing Width (in)
- 1.5
- Duty/Series
- Standard
- Optional Seal
- Contact
- Operating Temperature Range (F)
- -20° to 220°F
- Dynamic Load Rating (N)
- 19,487
Always verify dimensions, load ratings, material, and seal type before ordering.
- Brandi
- Sealmaster
- Mfg. Catalog Numberi
- TB-20RT
- Mfg. Part Numberi
- 708817
- GDS #i
- GDS-117389
- Categoryi
- Pillow Blocks
- UPCi
- 662461046081
- Inserti
- 1-14T
TB-20 options
| Part # | Configuration | Price | View |
|---|---|---|---|
| TB-20 | Base configuration | $193.70 | View |
| TB-20C | Contact seal | $243.08 | View |
| TB-20R | Reduced housing envelope | $212.56 | View |
| TB-20RC | Reduced housing envelope, contact seal | $302.80 | View |
| TB-20RTThis part | Reduced housing envelope, Skwezloc concentric locking collar | $269.30 | |
| TB-20T | Skwezloc concentric locking collar | $226.93 | View |
| TB-20TC | Skwezloc concentric locking collar, contact seal | $248.04 | View |
| TB-20 HT | High temperature | $357.56 | View |
| TB-20R RM | Reduced housing envelope, Reduced maintenance | $847.91 | View |
| TB-20RH RM | Reduced housing envelope, high-performance seal, Reduced maintenance | $1,352.02 | View |
| TB-20RTC RM | Reduced housing envelope, Skwezloc concentric locking collar, contact seal, Reduced maintenance | $1,194.70 | View |
| TB-20T RM | Skwezloc concentric locking collar, Reduced maintenance | $983.55 | View |
Bearing insert used in this unit
| Part # | Name | Each |
|---|---|---|
| 711030 | 1-14T | $166.44 |
Common Questions
Is this a genuine Sealmaster part?
Yes. GDS Supply supplies the genuine Sealmaster TB-20RT, manufacturer article number 708817. Its UPC is 662461046081.
