Pillow Blocks
Sealmaster NP-24
Sealmaster Mounted Cast Iron Two Bolt Pillow Block Ball Bearing - 52100 Bearing Steel, Black Oxided - Setscrew Lock - NP-24
NP-24 is also available as
Dynamic Load Rating (lb)
7,340
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 , 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-24. Verify critical dimensions before ordering.
- Housing Base
- Solid
- Rolling Element
- Ball Bearing
- Bore Shape
- Straight
- Base Width (in)
- 2.13
- Overall Length (in)
- 7.25
- Overall Height (in)
- 3.94
- Overall Width (in)
- 2.13
- Bolt Size (in)
- 1/2
- Housing Construction
- One Piece
- Bore Size - Inch
- 1.5Shaft size chart
- Misalignment Type
- Static Only
- Housing Color
- Black
- Outer Ring Land Profile
- Standard
- Base to Center Height (in)
- 1.9375
- Foot Height (in)
- 0.69
- Cage Material
- PPS - Polyphenylene Sulfide
- Length Through Bore (in)
- 1.935
- Housing Type (Product Selection)
- Pillow Block, Two Bolt
- Seal Type (Product Selection)
- Felt Labyrinth Seal
- Housing Style
- Pillow Block
- Ability to Relubricate
- Yes
- Inner Race Heat Treat Method
- Zone-Hardened
- Grease Fitting Thread Size
- 1/4-28
- Vibration Frequency Outer Ring Defect
- 0.0591
- Bearing Type
- Standard Duty
- Vibration Frequency Roller Spin
- 0.0376
- Static Load Rating (lb)
- 4,467
- Housing Coating
- Powder Coated
- Vibration Frequency Inner Ring Defect
- 0.0909
- Base Length (in)
- 7.25
- Size Code
- 2-19
- End Cap Available
- No
- Bearing Insert Finish
- Black Oxide
- Dynamic Load Rating (lb)
- 7,340
- Bearing Insert Material
- 52100 Bearing Steel
- Cage Type
- Land Riding Retainer
- Lubricant
- Lithium Complex NLGI 2 Grease
- Fixed vs. Expansion
- Fixed
- Inner Ring Outside Diameter (in)
- 2.07
- Vibration Frequency Fundamental Train
- 0.0066
- Centerline to Outermost Bearing Face (in)
- 1.185
- Housing Material
- Cast Iron
- Bolt Spacing Min (in)
- 4.88
- Maximum Speed (RPM)
- 4150
- Bolt Spacing Max (in)
- 5.88
- Radial Clearance
- Standard
- Max Operating Temperature (F)
- 220
- Misalignment Capability
- ±2.0° Misalignment - Static Only
- Shaft Locking Type
- Set Screw
- Bolt Spacing (in)
- 5.38
- 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-24
- Mfg. Part Numberi
- 700189
- GDS #i
- GDS-115397
- Categoryi
- Pillow Blocks
- UPCi
- 662461001653
- Inserti
- 2-18
NP-24 options
| Part # | Configuration | Price | View |
|---|---|---|---|
| NP-24This part | Base configuration | $147.29 | |
| NP-24C | Contact seal | $147.29 | View |
| NP-24T | Skwezloc concentric locking collar | $186.15 | View |
| NP-24TC | Skwezloc concentric locking collar, contact seal | $221.30 | View |
| NP-24 AHQ | — | Request quote | View |
| NP-24 DRT | High-contamination seal | $646.48 | View |
| NP-24 HI | High-performance high temperature | $600.55 | View |
| NP-24 HT | High temperature | $274.79 | View |
| NP-24H RM | High-performance seal, Reduced maintenance | $937.37 | View |
| NP-24T DRT | Skwezloc concentric locking collar, High-contamination seal | $390.57 | View |
| NP-24T HT | Skwezloc concentric locking collar, High temperature | $565.09 | View |
| NP-24T HTA | Skwezloc concentric locking collar, High temperature, air-handling housing fit | $955.52 | View |
| NP-24TH RMD | — | $1,082.90 | View |
| NP-24TX ALP | — | Request quote | View |
Bearing insert used in this unit
| Part # | Name | Each |
|---|---|---|
| 700025 | 2-18 | $210.19 |
Common Questions
Is this a genuine Sealmaster part?
Yes. GDS Supply supplies the genuine Sealmaster NP-24, manufacturer article number 700189. Its UPC is 662461001653.
