Pillow Blocks
Sealmaster SP-31
Sealmaster Mounted Cast Iron Two Bolt Pillow Block Ball Bearing - 52100 Bearing Steel, Black Oxided - Setscrew Lock - SP-31
SP-31 is also available as
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 3/4 | 69.9 |
| B | 10 1/2 | 266.7 | |
| C | Bolt Spacing Min | 6 3/4 | 171.5 |
| C (max) | Bolt Spacing Max | 8 1/2 | 215.9 |
| D | Base Width | 2 1/2 | 63.5 |
| G | Foot Height | 7/8 | 22.2 |
| H | 5 5/16 | 134.9 | |
| J | 2 1/32 | 51.6 | |
| K | Centerline to Outermost Bearing Face | 1 9/32 | 32.5 |
Values as printed for SP-31. Verify critical dimensions before ordering.
- Rolling Element
- Ball Bearing
- Housing Base
- Solid
- Bore Shape
- Straight
- Overall Height (in)
- 5.31
- Base Width (in)
- 2.50
- Overall Length (in)
- 10.5
- Overall Width (in)
- 2.50
- Housing Construction
- One Piece
- Bolt Size (in)
- 5/8
- Bore Size - Inch
- 1.9375Shaft size chart
- Misalignment Type
- Static Only
- Housing Color
- Black
- Outer Ring Land Profile
- Standard
- Base to Center Height (in)
- 2.7500
- Foot Height (in)
- 0.88
- Cage Material
- PPS - Polyphenylene Sulfide
- Length Through Bore (in)
- 2.031
- Housing Type (Product Selection)
- Pillow Block, Two Bolt
- Seal Type (Product Selection)
- Felt Labyrinth Seal
- Housing Style
- Pillow Block
- Inner Race Heat Treat Method
- Zone-Hardened
- Ability to Relubricate
- Yes
- Housing Material
- Cast Iron
- Grease Fitting Thread Size
- 1/8 NPT
- Static Load Rating (lb)
- 5,216
- Centerline to Outermost Bearing Face (in)
- 1.281
- End Cap Available
- No
- Shaft Locking Type
- Set Screw
- Bearing Insert Material
- 52100 Bearing Steel
- Radial Clearance
- Standard
- Housing Coating
- Powder Coated
- Bearing Type
- Standard Duty
- Vibration Frequency Outer Ring Defect
- 0.0683
- Fixed vs. Expansion
- Fixed
- Inner Ring Outside Diameter (in)
- 2.469
- Lubricant
- Lithium Complex NLGI 2 Grease
- Cage Type
- Land Riding Retainer
- Max Operating Temperature (F)
- 220
- Size Code
- 2-115
- Bearing Insert Finish
- Black Oxide
- Base Length (in)
- 10.50
- Dynamic Load Rating (lb)
- 7,889
- Maximum Speed (RPM)
- 3550
- Vibration Frequency Fundamental Train
- 0.0068
- Misalignment Capability
- ±2.0° Misalignment - Static Only
- Bolt Spacing Min (in)
- 6.75
- Bolt Spacing Max (in)
- 8.5
- Vibration Frequency Roller Spin
- 0.0445
- Vibration Frequency Inner Ring Defect
- 0.0984
- 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
- SP-31
- Mfg. Part Numberi
- 700616
- GDS #i
- GDS-115622
- Categoryi
- Pillow Blocks
- UPCi
- 662461419762
- Inserti
- 2-115
SP-31 options
| Part # | Configuration | Price | View |
|---|---|---|---|
| SP-31This part | Base configuration | $369.38 | |
| SP-31C | Contact seal | $494.49 | View |
| SP-31T | Skwezloc concentric locking collar | $405.84 | View |
| SP-31 HT | High temperature | $1,573.63 | View |
| SP-31T CXU | Skwezloc concentric locking collar, Air-handling housing fit, noise tested | Request quote | View |
Bearing insert used in this unit
| Part # | Name | Each |
|---|---|---|
| 700034 | 2-115 | $153.57 |
Common Questions
Is this a genuine Sealmaster part?
Yes. GDS Supply supplies the genuine Sealmaster SP-31, manufacturer article number 700616. Its UPC is 662461419762.
