Pillow Blocks
Sealmaster NPL-20
GEN GOLD SET SCREW
NPL-20 is also available as
Dynamic Load Rating (lb)
5,782 lb
Overall Width (in)
1.88 in
Bore Size - Inch
1.25
Housing Type (Product Selection)
Pillow Block, Two Bolt, Low Base
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 13/16 | 46.0 |
| B | Base Length | 6 9/16 | 166.7 |
| C | Bolt Spacing Min | 4 11/16 | 119.1 |
| C (max) | Bolt Spacing Max | 5 5/16 | 134.9 |
| D | Base Width | 1 7/8 | 47.6 |
| G | Foot Height | 9/16 | 14.3 |
| H | Overall Height | 3 11/16 | 93.7 |
| J | Length Through Bore | 1 11/16 | 42.9 |
| K | Centerline to Outermost Bearing Face | 1 | 25.4 |
Values as printed for NPL-20. Verify critical dimensions before ordering.
- Overall Width (in)
- 1.88 in
- Bore Size - Inch
- 1.25Shaft size chart
- Housing Type (Product Selection)
- Pillow Block, Two Bolt, Low Base
- Base Width (in)
- 1.88 in
- Seal Type (Product Selection)
- Felt Labyrinth Seal
- Overall Length (in)
- 6.56 in
- Overall Height (in)
- 3.69 in
- Bolt Size (in)
- 1/2 in
- Bore Diameter (in)
- 1.25 in
- Foot Height (in)
- 0.56 in
- Base to Center Height (in)
- 1.8125 in
- Length Through Bore (in)
- 1.685 in
- Centerline to Outermost Bearing Face (in)
- 1 in
- Bolt Spacing Max (in)
- 5.31 in
- Bolt Spacing Min (in)
- 4.69 in
- Bolt Spacing (in)
- 5 in
- Housing Base
- Solid
- Rolling Element
- Ball Bearing
- Bore Shape
- Straight
- Housing Construction
- One Piece
- Housing Color
- Black
- Outer Ring Land Profile
- Standard
- Misalignment Type
- Static Only
- Cage Material
- PPS - Polyphenylene Sulfide
- Housing Type
- Pillow Block, Two Bolt, Low Base
- Seal Type
- Felt Labyrinth Seal
- Housing Style
- Pillow Block
- Inner Race Heat Treat Method
- Zone-Hardened
- Ability to Relubricate
- Yes
- Size Code
- 2-17
- Misalignment Capability
- ±2.0° Misalignment - Static Only
- Housing Material
- Cast Iron
- Shaft Locking Type
- Set Screw
- Fixed vs. Expansion
- Fixed
- Grease Fitting Thread Size
- 1/4-28
- Static Load Rating (lb)
- 3,493 lb
- Housing Coating
- Powder Coated
- Bearing Insert Finish
- Black Oxide
- Inner Ring Outside Diameter (in)
- 1.851 in
- Vibration Frequency Fundamental Train
- 0.0066 cps
- Bearing Insert Material
- 52100 Bearing Steel
- Vibration Frequency Roller Spin
- 0.0386 cps
- Max Operating Temperature (F)
- 220 °F
- Lubricant
- Lithium Complex NLGI 2 Grease
- End Cap Available
- No
- Dynamic Load Rating (lb)
- 5,782 lb
- Radial Clearance
- Standard
- Cage Type
- Land Riding Retainer
- Vibration Frequency Inner Ring Defect
- 0.0905 cps
- Base Length (in)
- 6.56 in
- Bearing Type
- Standard Duty
- Vibration Frequency Outer Ring Defect
- 0.0595 cps
- Maximum Speed (RPM)
- 4650 rpm
- Duty/Series
- Standard
- Optional Seal
- Contact
- Operating Temperature Range (F)
- -20° to 220°F
- Dynamic Load Rating (N)
- 25,718
Always verify dimensions, load ratings, material, and seal type before ordering.
- Brandi
- Sealmaster
- Mfg. Catalog Numberi
- NPL-20
- Mfg. Part Numberi
- 700577
- GDS #i
- GDS-115595
- Categoryi
- Pillow Blocks
- UPCi
- 662461004623
- Inserti
- 2-14
- Country of Origini
- United States of America
NPL-20 options
| Part # | Configuration | Price | View |
|---|---|---|---|
| NPL-20This part | Base configuration | $169.93 | |
| NPL-20R | Reduced housing envelope | $217.97 | View |
| NPL-20T | Skwezloc concentric locking collar | $210.92 | View |
| NPL-20TC | Skwezloc concentric locking collar, contact seal | $209.36 | View |
| NPL-20 CXU | Air-handling housing fit, noise tested | $675.37 | View |
| NPL-20R HI | Reduced housing envelope, High-performance high temperature | $294.54 | View |
Bearing insert used in this unit
| Part # | Name | Each |
|---|---|---|
| 700020 | 2-14 | $191.01 |
Common Questions
What is the bore diameter of the NPL-20?
The NPL-20 has a bore diameter of 1.25 in. The specification table above lists every published dimension for this part.
Is this a genuine Sealmaster part?
Yes. GDS Supply supplies the genuine Sealmaster NPL-20, manufacturer article number 700577. Its UPC is 662461004623.
