Pillow Blocks
Sealmaster NP-30
Sealmaster Mounted Cast Iron Two Bolt Pillow Block Ball Bearing - 52100 Bearing Steel, Black Oxided - Setscrew Lock - NP-30
NP-30 is also available as
- NP-30$307.23
- NP-30C$637.43
Dynamic Load Rating (lb)
7,889
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 1/4 | 57.2 |
| B | Overall Length | 8 1/8 | 206.4 |
| C | Bolt Spacing Min | 6 | 152.4 |
| C (max) | Bolt Spacing Max | 6 1/2 | 165.1 |
| D | Base Width | 2 3/8 | 60.3 |
| G | Foot Height | 3/4 | 19.1 |
| H | Overall Height | 4 9/16 | 115.9 |
| J | Length Through Bore | 2 1/32 | 51.6 |
| K | Centerline to Outermost Bearing Face | 1 9/32 | 32.5 |
| L | Inner Ring Outside Diameter | 2 15/32 | 62.7 |
Values as printed for NP-30. Verify critical dimensions before ordering.
- Rolling Element
- Ball Bearing
- Housing Base
- Solid
- Bore Shape
- Straight
- Overall Width (in)
- 2.38
- Overall Height (in)
- 4.56
- Base Width (in)
- 2.38
- Overall Length (in)
- 8.13
- Housing Construction
- One Piece
- Bolt Size (in)
- 5/8
- Outer Ring Land Profile
- Standard
- Bore Size - Inch
- 1.875Shaft size chart
- Housing Color
- Black
- Misalignment Type
- Static Only
- Foot Height (in)
- 0.75
- Base to Center Height (in)
- 2.2500
- Cage Material
- PPS - Polyphenylene Sulfide
- Length Through Bore (in)
- 2.031
- 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
- Base Length (in)
- 8.13
- Centerline to Outermost Bearing Face (in)
- 1.281
- Vibration Frequency Roller Spin
- 0.0445
- Maximum Speed (RPM)
- 3550
- Lubricant
- Lithium Complex NLGI 2 Grease
- Bolt Spacing Max (in)
- 6.5
- Size Code
- 2-115
- Bearing Insert Material
- 52100 Bearing Steel
- Bearing Insert Finish
- Black Oxide
- Housing Material
- Cast Iron
- Inner Ring Outside Diameter (in)
- 2.469
- Misalignment Capability
- ±2.0° Misalignment - Static Only
- End Cap Available
- No
- Static Load Rating (lb)
- 5,216
- Fixed vs. Expansion
- Fixed
- Vibration Frequency Fundamental Train
- 0.0068
- Shaft Locking Type
- Set Screw
- Vibration Frequency Inner Ring Defect
- 0.0984
- Max Operating Temperature (F)
- 220
- Dynamic Load Rating (lb)
- 7,889
- Radial Clearance
- Standard
- Vibration Frequency Outer Ring Defect
- 0.0683
- Bolt Spacing Min (in)
- 6
- Grease Fitting Thread Size
- 1/8 NPT
- Bearing Type
- Standard Duty
- Cage Type
- Land Riding Retainer
- Housing Coating
- Powder Coated
- Duty/Series
- Standard
- Optional Seal
- Contact
- Operating Temperature Range (F)
- -20° to 220°F
- Dynamic Load Rating (N)
- 35,090
Always verify dimensions, load ratings, material, and seal type before ordering.
- Brandi
- Sealmaster
- Mfg. Catalog Numberi
- NP-30
- Mfg. Part Numberi
- 700195
- GDS #i
- GDS-115403
- Categoryi
- Pillow Blocks
- UPCi
- 662461001714
- Inserti
- 2-114
NP-30 options
| Part # | Configuration | Price | View |
|---|---|---|---|
| NP-30This part | Base configuration | $307.23 | |
| NP-30C | Contact seal | $637.43 | View |
Bearing insert used in this unit
| Part # | Name | Each |
|---|---|---|
| 700033 | 2-114 | $251.00 |
Common Questions
Is this a genuine Sealmaster part?
Yes. GDS Supply supplies the genuine Sealmaster NP-30, manufacturer article number 700195. Its UPC is 662461001714.
