Pillow Blocks
Sealmaster NP-25
GEN GOLD SET SCREW
NP-25 is also available as
- NP-25$298.67
- NP-25C$474.82
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
- 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
Dimensions
| Dim. | Meaning | in | mm |
|---|---|---|---|
| A | Base to Center Height | 1 15/16 | 49.2 |
| B | Overall Length | 7 1/4 | 184.2 |
| C | Bolt Spacing Min | 4 7/8 | 123.8 |
| C (max) | Bolt Spacing Max | 5 7/8 | 149.2 |
| D | Base Width | 2 1/8 | 54.0 |
| G | Foot Height | 11/16 | 17.5 |
| H | Overall Height | 3 15/16 | 100.0 |
| J | Length Through Bore | 1 15/16 | 49.2 |
| K | Centerline to Outermost Bearing Face | 1 3/16 | 30.2 |
| L | Inner Ring Outside Diameter | 2 1/16 | 52.4 |
Values as printed for NP-25. Verify critical dimensions before ordering.
- Housing Base
- Solid
- Rolling Element
- Ball Bearing
- Bore Shape
- Straight
- Overall Width (in)
- 2.13
- Overall Length (in)
- 7.25
- Overall Height (in)
- 3.94
- Base Width (in)
- 2.13
- Housing Construction
- One Piece
- Bolt Size (in)
- 1/2
- Misalignment Type
- Static Only
- Housing Color
- Black
- Bore Size - Inch
- 1.5625Shaft size chart
- Outer Ring Land Profile
- Standard
- Base to Center Height (in)
- 2.13
- Foot Height (in)
- 0.69
- Cage Material
- PPS - Polyphenylene Sulfide
- Length Through Bore (in)
- 1.938
- Housing Type (Product Selection)
- Pillow Block, Two Bolt
- Seal Type (Product Selection)
- Felt Labyrinth Seal
- Housing Style
- Pillow Block
- Ability to Relubricate
- Yes
- Setscrew Torque (in-lbs)
- 125-165
- Inner Race Heat Treat Method
- Zone-Hardened
- Vibration Frequency Outer Ring Defect
- 0.0673
- Bearing Insert Finish
- Black Oxide
- Bearing Insert Material
- 52100 Bearing Steel
- Bolt Spacing Max (in)
- 6.06
- Static Load Rating (lb)
- 5,139
- Size Code
- 2-111
- Bolt Spacing Min (in)
- 5.44
- Maximum Speed (RPM)
- 4150
- Misalignment Capability
- ±2.0° Misalignment - Static Only
- Shaft Locking Type
- Set Screw
- Base Length (in)
- 7.50
- Bearing Type
- Standard Duty
- Lubricant
- Lithium Complex NLGI 2 Grease
- Housing Coating
- Powder Coated
- Centerline to Outermost Bearing Face (in)
- 1.188
- End Cap Available
- No
- Cage Type
- Land Riding Retainer
- Vibration Frequency Inner Ring Defect
- 0.0994
- Dynamic Load Rating (lb)
- 7,901
- Vibration Frequency Roller Spin
- 0.0417
- Fixed vs. Expansion
- Fixed
- Inner Ring Outside Diameter (in)
- 2.063
- Radial Clearance
- Standard
- Housing Material
- Cast Iron
- Max Operating Temperature (F)
- 220
- Vibration Frequency Fundamental Train
- 0.0067
- Grease Fitting Thread Size
- 1/4-28
- Duty/Series
- Standard
- Optional Seal
- Contact
- Operating Temperature Range (F)
- -20° to 220°F
- Dynamic Load Rating (N)
- 32,648
Always verify dimensions, load ratings, material, and seal type before ordering.
- Brandi
- Sealmaster
- Mfg. Catalog Numberi
- NP-25
- Mfg. Part Numberi
- 700190
- GDS #i
- GDS-115398
- Categoryi
- Pillow Blocks
- UPCi
- 662461001660
- Inserti
- 2-19
NP-25 options
| Part # | Configuration | Price | View |
|---|---|---|---|
| NP-25This part | Base configuration | $298.67 | |
| NP-25C | Contact seal | $474.82 | View |
Bearing insert used in this unit
| Part # | Name | Each |
|---|---|---|
| 700027 | 2-19 | $210.71 |
Common Questions
Is this a genuine Sealmaster part?
Yes. GDS Supply supplies the genuine Sealmaster NP-25, manufacturer article number 700190. Its UPC is 662461001660.
