Pillow Blocks
Sealmaster NP-31 VL
GOLD HVAC COMMERCIAL
NP-31 is also available as
Dynamic Load Rating (lb)
7,889
Housing Base
Solid
Rolling Element
Ball Bearing
Overall Width (in)
2.38
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 locking 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 and dimple for direct lubrication and anti-rotation
- Housing Base
- Solid
- Rolling Element
- Ball Bearing
- Overall Width (in)
- 2.38
- Overall Length (in)
- 8.13
- Base Width (in)
- 2.38
- Overall Height (in)
- 4.56
- Housing Construction
- One Piece
- Bore Shape
- Straight
- Bolt Size (in)
- 5/8
- Bore Size - Inch
- 1.9375Shaft size chart
- Options
- High Temperature
- Housing Color
- Black
- Misalignment Type
- Static Only
- Outer Ring Land Profile
- Standard
- Base to Center Height (in)
- 2.2500
- Foot Height (in)
- 0.75
- Cage Material
- PPS - Polyphenylene Sulfide
- Length Through Bore (in)
- 2.031
- Housing Type (Product Selection)
- Pillow Block, Two Bolt
- Seal Type (Product Selection)
- High Temp Labyrinth Seal
- Housing Style
- Pillow Block
- Ability to Relubricate
- Yes
- Inner Race Heat Treat Method
- Zone-Hardened
- Radial Clearance
- Standard
- Housing Material
- Cast Iron
- Maximum Speed (RPM)
- 3550
- Bearing Type
- Standard Duty
- Housing Coating
- Powder Coated
- Vibration Frequency Inner Ring Defect
- 0.0984
- Base Length (in)
- 8.13
- Cage Type
- Land Riding Retainer
- Size Code
- 2-115
- Bolt Spacing Min (in)
- 6
- Inner Ring Outside Diameter (in)
- 2.469
- Shaft Locking Type
- Set Screw
- Grease Fitting Thread Size
- 1/8 NPT
- Vibration Frequency Roller Spin
- 0.0445
- Vibration Frequency Outer Ring Defect
- 0.0683
- Lubricant
- Lithium Complex NLGI 2 Grease
- Bearing Insert Finish
- Black Oxide
- Bolt Spacing Max (in)
- 6.5
- Misalignment Capability
- ±2.0° Misalignment - Static Only
- Dynamic Load Rating (lb)
- 7,889
- Max Operating Temperature (F)
- 220
- Bearing Insert Material
- 52100 Bearing Steel
- Centerline to Outermost Bearing Face (in)
- 1.281
- End Cap Available
- No
- Static Load Rating (lb)
- 5,216
- Vibration Frequency Fundamental Train
- 0.0068
- Fixed vs. Expansion
- Fixed
Always verify dimensions, load ratings, material, and seal type before ordering.
- Brandi
- Sealmaster
- Mfg. Catalog Numberi
- NP-31 VL
- Mfg. Part Numberi
- 701575
- GDS #i
- GDS-115900
- Categoryi
- Pillow Blocks
- UPCi
- 662461233252
- Inserti
- 2-115 AJB
Documents & Support
Datasheets, CAD drawings, and installation instructions are available on request.
Request DocumentationNP-31 options
| Part # | Configuration | Price | View |
|---|---|---|---|
| NP-31 | Base configuration | $196.01 | View |
| NP-31C | Contact seal | $261.35 | View |
| NP-31T | Skwezloc concentric locking collar | $241.84 | View |
| NP-31TC | Skwezloc concentric locking collar, contact seal | $277.60 | View |
| NP-31 CXU | Air-handling housing fit, noise tested | $225.55 | View |
| NP-31 DRT | High-contamination seal | $599.24 | View |
| NP-31 HI | High-performance high temperature | $457.18 | View |
| NP-31 HT | High temperature | $411.32 | View |
| NP-31 LO | Low drag | $462.40 | View |
| NP-31 VLThis part | — | $243.17 | |
| NP-31C RM | Contact seal, Reduced maintenance | $313.71 | View |
| NP-31H RM | High-performance seal, Reduced maintenance | Request quote | View |
| NP-31T CXU | Skwezloc concentric locking collar, Air-handling housing fit, noise tested | $294.90 | View |
| NP-31T HT | Skwezloc concentric locking collar, High temperature | $697.35 | View |
Common Questions
Is this a genuine Sealmaster part?
Yes. GDS Supply supplies the genuine Sealmaster NP-31 VL, manufacturer article number 701575. Its UPC is 662461233252.
