Pillow Blocks
Sealmaster NPL-20R
GEN GOLD SET SCREW
NPL-20 is also available as
Dynamic Load Rating (lb)
4,381
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 9/16 | 39.7 |
| B | Base Length | 6 1/2 | 165.1 |
| C | Bolt Spacing Min | 4 7/16 | 112.7 |
| C (max) | Bolt Spacing Max | 5 1/16 | 128.6 |
| D | Base Width | 1 7/8 | 47.6 |
| G | Foot Height | 7/16 | 11.1 |
| H | Overall Height | 3 1/4 | 82.6 |
| J | Length Through Bore | 1 1/2 | 38.1 |
| K | Centerline to Outermost Bearing Face | 7/8 | 22.2 |
Values as printed for NPL-20R. Verify critical dimensions before ordering.
- Housing Base
- Solid
- Rolling Element
- Ball Bearing
- Bore Shape
- Straight
- Base Width (in)
- 1.88
- Overall Length (in)
- 6.5
- Overall Width (in)
- 1.88
- Overall Height (in)
- 3.25
- Bolt Size (in)
- 1/2
- Housing Construction
- One Piece
- Outer Ring Land Profile
- Standard
- Housing Color
- Black
- Bore Size - Inch
- 1.25Shaft size chart
- Misalignment Type
- Static Only
- Foot Height (in)
- 0.44
- Base to Center Height (in)
- 1.5625
- Cage Material
- PPS - Polyphenylene Sulfide
- Length Through Bore (in)
- 1.497
- Seal Type (Product Selection)
- Felt Labyrinth Seal
- Housing Type (Product Selection)
- Pillow Block, Two Bolt, Low Base
- Housing Style
- Pillow Block
- Ability to Relubricate
- Yes
- Inner Race Heat Treat Method
- Zone-Hardened
- Grease Fitting Thread Size
- 1/4-28
- Maximum Speed (RPM)
- 5450
- Housing Coating
- Powder Coated
- Radial Clearance
- Standard
- End Cap Available
- No
- Bearing Insert Material
- 52100 Bearing Steel
- Shaft Locking Type
- Set Screw
- Static Load Rating (lb)
- 2,567
- Dynamic Load Rating (lb)
- 4,381
- Bolt Spacing Min (in)
- 4.44
- Bolt Spacing Max (in)
- 5.06
- Fixed vs. Expansion
- Fixed
- Inner Ring Outside Diameter (in)
- 1.594
- Lubricant
- Lithium Complex NLGI 2 Grease
- Housing Material
- Cast Iron
- Vibration Frequency Fundamental Train
- 0.0066
- Vibration Frequency Inner Ring Defect
- 0.0905
- Misalignment Capability
- ±2.0° Misalignment - Static Only
- Vibration Frequency Outer Ring Defect
- 0.0595
- Centerline to Outermost Bearing Face (in)
- 0.875
- Vibration Frequency Roller Spin
- 0.0385
- Base Length (in)
- 6.5
- Bolt Spacing (in)
- 4.75
- Bearing Insert Finish
- Black Oxide
- Cage Type
- Land Riding Retainer
- Bearing Type
- Standard Duty
- Size Code
- 2-13
- Max Operating Temperature (F)
- 220
- Duty/Series
- Standard
- Optional Seal
- Contact
- Operating Temperature Range (F)
- -20° to 220°F
- Dynamic Load Rating (N)
- 19,487
Always verify dimensions, load ratings, material, and seal type before ordering.
- Brandi
- Sealmaster
- Mfg. Catalog Numberi
- NPL-20R
- Mfg. Part Numberi
- 700576
- GDS #i
- GDS-115594
- Categoryi
- Pillow Blocks
- UPCi
- 662461004616
- Inserti
- 1-14
NPL-20 options
| Part # | Configuration | Price | View |
|---|---|---|---|
| NPL-20 | Base configuration | $169.93 | View |
| NPL-20RThis part | Reduced housing envelope | $217.97 | |
| 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 |
|---|---|---|
| 700001 | 1-14 | $113.55 |
Common Questions
Is this a genuine Sealmaster part?
Yes. GDS Supply supplies the genuine Sealmaster NPL-20R, manufacturer article number 700576. Its UPC is 662461004616.
