Pillow Blocks
Sealmaster NP-38C
GEN GOLD SET SCREW
NP-38 is also available as
- NP-38$435.57
- NP-38C$537.69
- NP-38T$552.92
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
- Single lip contact seal
- 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 | 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-38, the base part of NP-38C; the options in this part number do not change the housing. Verify critical dimensions before ordering.
- Rolling Element
- Ball Bearing
- Housing Base
- Solid
- Bore Shape
- Straight
- Overall Width (in)
- 2.75
- Base Width (in)
- 2.75
- Overall Height (in)
- 5.56
- Overall Length (in)
- 9.5
- Bolt Size (in)
- 5/8
- Housing Construction
- One Piece
- Housing Color
- Black
- Outer Ring Land Profile
- Standard
- Misalignment Type
- Static Only
- Bore Size - Inch
- 2.375Shaft size chart
- Base to Center Height (in)
- 2.7500
- Foot Height (in)
- 0.88
- Cage Material
- PPS - Polyphenylene Sulfide
- Length Through Bore (in)
- 2.563
- Housing Type (Product Selection)
- Pillow Block, Two Bolt
- Seal Type (Product Selection)
- Single Lip Contact Seal
- Housing Style
- Pillow Block
- Inner Race Heat Treat Method
- Zone-Hardened
- Ability to Relubricate
- Yes
- Setscrew Torque (in-lbs)
- 230-300
- Cage Type
- Land Riding Retainer
- Lubricant
- Lithium Complex NLGI 2 Grease
- Vibration Frequency Inner Ring Defect
- 0.0989
- Base Length (in)
- 9.50
- Dynamic Load Rating (lb)
- 11,789
- Fixed vs. Expansion
- Fixed
- Bolt Spacing Max (in)
- 7.63
- Bearing Insert Finish
- Black Oxide
- Vibration Frequency Roller Spin
- 0.0432
- Bearing Insert Material
- 52100 Bearing Steel
- Vibration Frequency Outer Ring Defect
- 0.0678
- End Cap Available
- No
- Inner Ring Outside Diameter (in)
- 2.984
- Grease Fitting Thread Size
- 1/8 NPT
- Maximum Speed (RPM)
- 2550
- Bolt Spacing Min (in)
- 6.88
- Static Load Rating (lb)
- 8,150
- Radial Clearance
- Standard
- Size Code
- 2-27
- Max Operating Temperature (F)
- 220
- Vibration Frequency Fundamental Train
- 0.0068
- Shaft Locking Type
- Set Screw
- Centerline to Outermost Bearing Face (in)
- 1.563
- Bearing Type
- Standard Duty
- Housing Material
- Cast Iron
- Misalignment Capability
- ±2.0° Misalignment - Static Only
- Housing Coating
- Powder Coated
- 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-38C
- Mfg. Part Numberi
- 703270
- GDS #i
- GDS-116299
- Categoryi
- Pillow Blocks
- UPCi
- 662461020890
- Inserti
- 2-26C
NP-38 options
| Part # | Configuration | Price | View |
|---|---|---|---|
| NP-38 | Base configuration | $435.57 | View |
| NP-38CThis part | Contact seal | $537.69 | |
| NP-38T | Skwezloc concentric locking collar | $552.92 | View |
Bearing insert used in this unit
| Part # | Name | Each |
|---|---|---|
| 700043 | 2-26 | $340.20 |
Common Questions
What is the minimum order quantity for the NP-38C?
The minimum order quantity for the NP-38C is 5 units.
Is this a genuine Sealmaster part?
Yes. GDS Supply supplies the genuine Sealmaster NP-38C, manufacturer article number 703270. Its UPC is 662461020890.
