Pillow Blocks
Sealmaster NP-204
Sealmaster Mounted Cast Iron Two Bolt Pillow Block Ball Bearing - 52100 Bearing Steel, Black Oxided - Setscrew Lock - NP-204
NP-204 is also available as
- NP-204$135.40
- NP-204TMC$213.26
Dynamic Load Rating (lb)
2,611
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 5/16 | 33.3 |
| B | Overall Length | 5 | 127.0 |
| C | Bolt Spacing Min | 3 3/8 | 85.7 |
| C (max) | Bolt Spacing Max | 4 1/8 | 104.8 |
| D | Base Width | 1 1/2 | 38.1 |
| G | Foot Height | 1/2 | 12.7 |
| H | Overall Height | 2 9/16 | 65.1 |
| J | Length Through Bore | 1 7/32 | 31.0 |
| K | Centerline to Outermost Bearing Face | 23/32 | 18.3 |
| L | Inner Ring Outside Diameter | 1 3/16 | 30.2 |
Values as printed for NP-204. Verify critical dimensions before ordering.
- Rolling Element
- Ball Bearing
- Housing Base
- Solid
- Bore Shape
- Straight
- Overall Height (in)
- 2.56
- Overall Width (in)
- 1.5
- Base Width (in)
- 1.5
- Overall Length (in)
- 5
- Bolt Size (in)
- 3/8
- Housing Construction
- One Piece
- Bolt Size (mm)
- M10
- Housing Color
- Black
- Outer Ring Land Profile
- Standard
- Misalignment Type
- Static Only
- Bore Size - Metric
- 20Shaft size chart
- Base to Center Height (in)
- 1.3125
- Foot Height (in)
- 0.5
- Cage Material
- PPS - Polyphenylene Sulfide
- Length Through Bore (in)
- 1.219
- Seal Type (Product Selection)
- Felt Labyrinth Seal
- Housing Type (Product Selection)
- Pillow Block, Two Bolt
- Housing Style
- Pillow Block
- Ability to Relubricate
- Yes
- Inner Race Heat Treat Method
- Zone-Hardened
- End Cap Available
- No
- Cage Type
- Land Riding Retainer
- Vibration Frequency Fundamental Train
- 0.0066
- Fixed vs. Expansion
- Fixed
- Bolt Spacing (in)
- 3.75
- Bolt Spacing Max (in)
- 4.13
- Vibration Frequency Roller Spin
- 0.0381
- Bearing Type
- Standard Duty
- Max Operating Temperature (F)
- 220
- Static Load Rating (lb)
- 1,444
- Grease Fitting Thread Size
- 1/4-28
- Vibration Frequency Inner Ring Defect
- 0.0907
- Size Code
- 2-012
- Misalignment Capability
- ±2.0° Misalignment - Static Only
- Housing Material
- Cast Iron
- Radial Clearance
- Standard
- Bearing Insert Finish
- Black Oxide
- Base Length (in)
- 5
- Centerline to Outermost Bearing Face (in)
- 0.719
- Bearing Insert Material
- 52100 Bearing Steel
- Maximum Speed (RPM)
- 7300
- Shaft Locking Type
- Set Screw
- Housing Coating
- Powder Coated
- Inner Ring Outside Diameter (in)
- 1.188
- Vibration Frequency Outer Ring Defect
- 0.0593
- Lubricant
- Lithium Complex NLGI 2 Grease
- Dynamic Load Rating (lb)
- 2,611
- Bolt Spacing Min (in)
- 3.38
- Duty/Series
- Standard
- Optional Seal
- Contact
- Operating Temperature Range (F)
- -20° to 220°F
- Bore Size - Inch
- 3/4Shaft size chart
- Dynamic Load Rating (N)
- 11,614
Always verify dimensions, load ratings, material, and seal type before ordering.
- Brandi
- Sealmaster
- Mfg. Catalog Numberi
- NP-204
- Mfg. Part Numberi
- 709917
- GDS #i
- GDS-117465
- Categoryi
- Pillow Blocks
- UPCi
- 662461051757
- Inserti
- 5204
NP-204 options
| Part # | Configuration | Price | View |
|---|---|---|---|
| NP-204This part | Base configuration | $135.40 | |
| NP-204TMC | Skwezloc concentric locking collar, metric hardware, contact seal | $213.26 | View |
Bearing insert used in this unit
| Part # | Name | Each |
|---|---|---|
| 700010 | 5204 | $103.45 |
Common Questions
Is this a genuine Sealmaster part?
Yes. GDS Supply supplies the genuine Sealmaster NP-204, manufacturer article number 709917. Its UPC is 662461051757.
