Pillow Blocks
Sealmaster NPL-28TC
Sealmaster Mounted Cast Iron Two Bolt Low Base Pillow Block Ball Bearing - 52100 Bearing Steel, Black Oxided - Concentric Lock - NPL-28TC
NPL-28 is also available as
- NPL-28$180.98
- NPL-28TC$257.20
Dynamic Load Rating (lb)
7,901
Housing Base
Solid
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
- Skwezloc™ concentric locking for near perfect concentricity
- 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 , dimple for direct lubrication and anti-rotation
Dimensions
| Dim. | Meaning | in | mm |
|---|---|---|---|
| A | Base to Center Height | 2 1/16 | 52.4 |
| B | Base Length | 7 1/2 | 190.5 |
| C | Bolt Spacing Min | 5 7/16 | 138.1 |
| C (max) | Bolt Spacing Max | 6 1/16 | 154.0 |
| D | Base Width | 2 1/8 | 54.0 |
| G | Foot Height | 5/8 | 15.9 |
| H | Overall Height | 4 3/16 | 106.4 |
| J | 2 | 50.8 | |
| K | 1 1/4 | 31.8 | |
| L | 2 15/16 | 74.6 |
Values as printed for NPL-28T, the base part of NPL-28TC; the options in this part number do not change the housing. Verify critical dimensions before ordering.
- Housing Base
- Solid
- Rolling Element
- Ball Bearing
- Bore Shape
- Straight
- Overall Width (in)
- 2.13
- Overall Height (in)
- 4.19
- Base Width (in)
- 2.13
- Overall Length (in)
- 7.5
- Bolt Size (in)
- 1/2
- Housing Construction
- One Piece
- Misalignment Type
- Static Only
- Bore Size - Inch
- 1.75Shaft size chart
- Outer Ring Land Profile
- Standard
- Housing Color
- Black
- Foot Height (in)
- 0.63
- Base to Center Height (in)
- 2.06
- Cage Material
- PPS - Polyphenylene Sulfide
- Length Through Bore (in)
- 2.00
- Housing Type (Product Selection)
- Pillow Block, Two Bolt, Low Base
- Seal Type (Product Selection)
- Single Lip Contact Seal
- Housing Style
- Pillow Block
- Setscrew Torque (in-lbs)
- 240
- Inner Race Heat Treat Method
- Zone-Hardened
- Locking Collar Outside Diameter (in)
- 2.94
- Ability to Relubricate
- Yes
- Size Code
- 2-111
- Bearing Type
- Standard Duty
- Static Load Rating (lb)
- 5,139
- Bolt Spacing Max (in)
- 6.06
- Base Length (in)
- 7.50
- Housing Coating
- Powder Coated
- Misalignment Capability
- ±2.0° Misalignment - Static Only
- Bolt Spacing Min (in)
- 5.44
- Max Operating Temperature (F)
- 220
- Bearing Insert Material
- 52100 Bearing Steel
- Vibration Frequency Roller Spin
- 0.0417
- Radial Clearance
- Standard
- Bearing Insert Finish
- Black Oxide
- Centerline to Outermost Bearing Face (in)
- 1.31
- Vibration Frequency Inner Ring Defect
- 0.0994
- Housing Material
- Cast Iron
- Vibration Frequency Fundamental Train
- 0.0067
- Maximum Speed (RPM)
- 3800
- Inner Ring Outside Diameter (in)
- 2.063
- Vibration Frequency Outer Ring Defect
- 0.0673
- End Cap Available
- No
- Shaft Locking Type
- Concentric
- Dynamic Load Rating (lb)
- 7,901
- Lubricant
- Lithium Complex NLGI 2 Grease
- Grease Fitting Thread Size
- 1/4-28
- Fixed vs. Expansion
- Fixed
- Cage Type
- Land Riding Retainer
- Duty/Series
- Standard
- Optional Seal
- Contact
- Operating Temperature Range (F)
- -20° to 220°F
- Dynamic Load Rating (N)
- 35,144
Always verify dimensions, load ratings, material, and seal type before ordering.
- Brandi
- Sealmaster
- Mfg. Catalog Numberi
- NPL-28TC
- Mfg. Part Numberi
- 705883
- GDS #i
- GDS-117156
- Categoryi
- Pillow Blocks
- UPCi
- 662461033630
- Inserti
- 2-112TC
NPL-28 options
| Part # | Configuration | Price | View |
|---|---|---|---|
| NPL-28 | Base configuration | $180.98 | View |
| NPL-28TCThis part | Skwezloc concentric locking collar, contact seal | $257.20 |
Bearing insert used in this unit
| Part # | Name | Each |
|---|---|---|
| 705320 | 2-112T | $179.46 |
Common Questions
What is the minimum order quantity for the NPL-28TC?
The minimum order quantity for the NPL-28TC is 8 units.
Is this a genuine Sealmaster part?
Yes. GDS Supply supplies the genuine Sealmaster NPL-28TC, manufacturer article number 705883. Its UPC is 662461033630.
