Pillow Blocks
Sealmaster NP-39
Sealmaster Mounted Cast Iron Two Bolt Pillow Block Ball Bearing - 52100 Bearing Steel, Black Oxided - Setscrew Lock - NP-39
NP-39 is also available as
Dynamic Load Rating (lb)
11,789
Rolling Element
Ball Bearing
Housing Base
Solid
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 | 2 3/4 | 69.9 |
| B | Overall Length | 9 1/2 | 241.3 |
| C | Bolt Spacing Min | 6 7/8 | 174.6 |
| C (max) | Bolt Spacing Max | 7 5/8 | 193.7 |
| D | Base Width | 2 3/4 | 69.9 |
| G | Foot Height | 7/8 | 22.2 |
| H | Overall Height | 5 9/16 | 141.3 |
| J | Length Through Bore | 2 9/16 | 65.1 |
| K | Centerline to Outermost Bearing Face | 1 9/16 | 39.7 |
| L | Inner Ring Outside Diameter | 2 63/64 | 75.8 |
Values as printed for NP-39. Verify critical dimensions before ordering.
- Rolling Element
- Ball Bearing
- Housing Base
- Solid
- Bore Shape
- Straight
- Overall Length (in)
- 9.5
- Base Width (in)
- 2.75
- Overall Width (in)
- 2.75
- Overall Height (in)
- 5.56
- Bolt Size (in)
- 5/8
- Housing Construction
- One Piece
- Outer Ring Land Profile
- Standard
- Bore Size - Inch
- 2.4375Shaft size chart
- Misalignment Type
- Static Only
- Housing Color
- Black
- Base to Center Height (in)
- 2.7500
- Foot Height (in)
- 0.88
- Cage Material
- PPS - Polyphenylene Sulfide
- Length Through Bore (in)
- 2.563
- Seal Type (Product Selection)
- Felt Labyrinth Seal
- Housing Type (Product Selection)
- Pillow Block, Two Bolt
- Housing Style
- Pillow Block
- Setscrew Torque (in-lbs)
- 230-300
- Ability to Relubricate
- Yes
- Inner Race Heat Treat Method
- Zone-Hardened
- Housing Coating
- Powder Coated
- Misalignment Capability
- ±2.0° Misalignment - Static Only
- Size Code
- 2-27
- Bearing Insert Material
- 52100 Bearing Steel
- Dynamic Load Rating (lb)
- 11,789
- Cage Type
- Land Riding Retainer
- Shaft Locking Type
- Set Screw
- Maximum Speed (RPM)
- 3000
- Inner Ring Outside Diameter (in)
- 2.984
- Vibration Frequency Inner Ring Defect
- 0.0989
- Bolt Spacing Min (in)
- 6.88
- Bearing Insert Finish
- Black Oxide
- Grease Fitting Thread Size
- 1/8 NPT
- Housing Material
- Cast Iron
- Vibration Frequency Roller Spin
- 0.0432
- Vibration Frequency Outer Ring Defect
- 0.0678
- Base Length (in)
- 9.50
- Fixed vs. Expansion
- Fixed
- Bolt Spacing Max (in)
- 7.63
- Centerline to Outermost Bearing Face (in)
- 1.563
- Vibration Frequency Fundamental Train
- 0.0068
- Lubricant
- Lithium Complex NLGI 2 Grease
- Max Operating Temperature (F)
- 220
- Radial Clearance
- Standard
- Static Load Rating (lb)
- 8,150
- End Cap Available
- No
- Bearing Type
- Standard Duty
- Duty/Series
- Standard
- Optional Seal
- Contact
- Operating Temperature Range (F)
- -20° to 220°F
- Dynamic Load Rating (N)
- 52,437
Always verify dimensions, load ratings, material, and seal type before ordering.
- Brandi
- Sealmaster
- Mfg. Catalog Numberi
- NP-39
- Mfg. Part Numberi
- 700204
- GDS #i
- GDS-115411
- Categoryi
- Pillow Blocks
- UPCi
- 662461001806
- Inserti
- 2-27
NP-39 options
| Part # | Configuration | Price | View |
|---|---|---|---|
| NP-39This part | Base configuration | $280.54 | |
| NP-39C | Contact seal | $339.00 | View |
| NP-39T | Skwezloc concentric locking collar | $346.20 | View |
| NP-39TC | Skwezloc concentric locking collar, contact seal | $422.15 | View |
| NP-39 CXU | Air-handling housing fit, noise tested | $577.01 | View |
| NP-39 DRT | High-contamination seal | $1,260.13 | View |
| NP-39 HT | High temperature | $548.87 | View |
| NP-39 RM | Reduced maintenance | $542.81 | View |
| NP-39 VL | — | $342.65 | View |
| NP-39T CXU | Skwezloc concentric locking collar, Air-handling housing fit, noise tested | $422.15 | View |
| NP-39T HI | Skwezloc concentric locking collar, High-performance high temperature | $2,043.99 | View |
| NP-39T HT | Skwezloc concentric locking collar, High temperature | $574.88 | View |
| NP-39TC CXU | Skwezloc concentric locking collar, contact seal, Air-handling housing fit, noise tested | $422.15 | View |
Bearing insert used in this unit
| Part # | Name | Each |
|---|---|---|
| 700044 | 2-27 | $323.25 |
Common Questions
Is this a genuine Sealmaster part?
Yes. GDS Supply supplies the genuine Sealmaster NP-39, manufacturer article number 700204. Its UPC is 662461001806.
