Pillow Blocks
Sealmaster NPL-31T
GEN GOLD SKWEZLOC
NPL-31 is also available as
- NPL-31$217.37
- NPL-31T$294.90
- NPL-31TC$294.90
- NPL-31 HT$675.19
Dynamic Load Rating (lb)
7,889
Rolling Element
Ball Bearing
Housing Base
Solid
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
- 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 | Base to Center Height | 2 3/16 | 55.6 |
| B | Base Length | 8 1/8 | 206.4 |
| C | Bolt Spacing Min | 6 | 152.4 |
| C (max) | Bolt Spacing Max | 6 1/2 | 165.1 |
| D | Base Width | 2 3/8 | 60.3 |
| G | Foot Height | 11/16 | 17.5 |
| H | Overall Height | 4 1/2 | 114.3 |
| J | 2 3/32 | 53.2 | |
| K | 1 11/32 | 34.1 | |
| L | 3 3/8 | 85.7 |
Values as printed for NPL-31T. Verify critical dimensions before ordering.
- Rolling Element
- Ball Bearing
- Housing Base
- Solid
- Bore Shape
- Straight
- Overall Length (in)
- 8.13
- Overall Width (in)
- 2.38
- Overall Height (in)
- 4.5
- Base Width (in)
- 2.38
- Bolt Size (in)
- 5/8
- Housing Construction
- One Piece
- Housing Color
- Black
- Outer Ring Land Profile
- Standard
- Bore Size - Inch
- 1.9375Shaft size chart
- Misalignment Type
- Static Only
- Foot Height (in)
- 0.69
- Base to Center Height (in)
- 2.1875
- Cage Material
- PPS - Polyphenylene Sulfide
- Length Through Bore (in)
- 2.09
- Housing Type (Product Selection)
- Pillow Block, Two Bolt, Low Base
- Seal Type (Product Selection)
- Felt Labyrinth Seal
- Housing Style
- Pillow Block
- Inner Race Heat Treat Method
- Zone-Hardened
- Ability to Relubricate
- Yes
- Locking Collar Outside Diameter (in)
- 3.38
- Base Length (in)
- 8.13
- Lubricant
- Lithium Complex NLGI 2 Grease
- Centerline to Outermost Bearing Face (in)
- 1.34
- End Cap Available
- No
- Maximum Speed (RPM)
- 5000
- Bearing Type
- Standard Duty
- Bearing Insert Finish
- Black Oxide
- Bolt Spacing Min (in)
- 6
- Bearing Insert Material
- 52100 Bearing Steel
- Fixed vs. Expansion
- Fixed
- Radial Clearance
- Standard
- Misalignment Capability
- ±2.0° Misalignment - Static Only
- Vibration Frequency Outer Ring Defect
- 0.0683
- Grease Fitting Thread Size
- 1/8 NPT
- Vibration Frequency Inner Ring Defect
- 0.0984
- Inner Ring Outside Diameter (in)
- 2.469
- Bolt Spacing Max (in)
- 6.5
- Vibration Frequency Roller Spin
- 0.0445
- Static Load Rating (lb)
- 5,216
- Max Operating Temperature (F)
- 220
- Cage Type
- Land Riding Retainer
- Housing Coating
- Powder Coated
- Dynamic Load Rating (lb)
- 7,889
- Size Code
- 2-115
- Shaft Locking Type
- Concentric
- Vibration Frequency Fundamental Train
- 0.0068
- Housing Material
- Cast Iron
- 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
- NPL-31T
- Mfg. Part Numberi
- 705505
- GDS #i
- GDS-116951
- Categoryi
- Pillow Blocks
- UPCi
- 662461030608
- Inserti
- 2-115T
NPL-31 options
| Part # | Configuration | Price | View |
|---|---|---|---|
| NPL-31 | Base configuration | $217.37 | View |
| NPL-31TThis part | Skwezloc concentric locking collar | $294.90 | |
| NPL-31TC | Skwezloc concentric locking collar, contact seal | $294.90 | View |
| NPL-31 HT | High temperature | $675.19 | View |
Bearing insert used in this unit
| Part # | Name | Each |
|---|---|---|
| 705321 | 2-115T | $186.18 |
Common Questions
Is this a genuine Sealmaster part?
Yes. GDS Supply supplies the genuine Sealmaster NPL-31T, manufacturer article number 705505. Its UPC is 662461030608.
