Pillow Blocks
Sealmaster NP-208
Sealmaster Mounted Cast Iron Two Bolt Pillow Block Ball Bearing - 52100 Bearing Steel, Black Oxided - Setscrew Lock - NP-208
NP-208 is also available as
- NP-208$258.27
- NP-208TMC$352.93
- NP-208 DRT$365.22
Dynamic Load Rating (lb)
7,340
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 | 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-208. Verify critical dimensions before ordering.
- Rolling Element
- Ball Bearing
- Housing Base
- Solid
- Bore Shape
- Straight
- Overall Width (in)
- 2.13
- Overall Length (in)
- 7.25
- Base Width (in)
- 2.13
- Overall Height (in)
- 3.94
- Housing Construction
- One Piece
- Bolt Size (mm)
- M14
- Bolt Size (in)
- 1/2
- Housing Color
- Black
- Outer Ring Land Profile
- Standard
- Bore Size - Metric
- 40Shaft size chart
- Misalignment Type
- Static Only
- Foot Height (in)
- 0.69
- Base to Center Height (in)
- 1.9375
- 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
- Vibration Frequency Outer Ring Defect
- 0.0591
- Centerline to Outermost Bearing Face (in)
- 1.185
- Maximum Speed (RPM)
- 4150
- Lubricant
- Lithium Complex NLGI 2 Grease
- Max Operating Temperature (F)
- 220
- Bolt Spacing Max (in)
- 5.88
- Vibration Frequency Fundamental Train
- 0.0066
- Shaft Locking Type
- Set Screw
- Size Code
- 2-19
- Fixed vs. Expansion
- Fixed
- Vibration Frequency Inner Ring Defect
- 0.0909
- Misalignment Capability
- ±2.0° Misalignment - Static Only
- Bearing Insert Finish
- Black Oxide
- Housing Material
- Cast Iron
- Housing Coating
- Powder Coated
- Bearing Insert Material
- 52100 Bearing Steel
- End Cap Available
- No
- Base Length (in)
- 7.25
- Dynamic Load Rating (lb)
- 7,340
- Vibration Frequency Roller Spin
- 0.0376
- Inner Ring Outside Diameter (in)
- 2.07
- Bolt Spacing Min (in)
- 4.88
- Bearing Type
- Standard Duty
- Cage Type
- Land Riding Retainer
- Bolt Spacing (in)
- 5.38
- Grease Fitting Thread Size
- 1/4-28
- Static Load Rating (lb)
- 4,467
- Radial Clearance
- Standard
- 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-208
- Mfg. Part Numberi
- 709921
- GDS #i
- GDS-117469
- Categoryi
- Pillow Blocks
- UPCi
- 662461051795
- Inserti
- 5208
NP-208 options
| Part # | Configuration | Price | View |
|---|---|---|---|
| NP-208This part | Base configuration | $258.27 | |
| NP-208TMC | Skwezloc concentric locking collar, metric hardware, contact seal | $352.93 | View |
| NP-208 DRT | High-contamination seal | $365.22 | View |
Bearing insert used in this unit
| Part # | Name | Each |
|---|---|---|
| 700026 | 5208 | $229.77 |
Common Questions
Is this a genuine Sealmaster part?
Yes. GDS Supply supplies the genuine Sealmaster NP-208, manufacturer article number 709921. Its UPC is 662461051795.
