Pillow Blocks
Sealmaster SPM-31 CXU
GOLD HVAC INDUSTRIAL
SPM-31 is also available as
- SPM-31 CXU$406.69
- SPM-31T CXU$514.21
Dynamic Load Rating (lb)
7,889
Housing Base
Solid
Rolling Element
Ball Bearing
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
- Air Handling noise check for quiet operation
- Looser than standard housing fit for ease of alignment on lightweight frames
- Felt labyrinth seal and flinger for dusty and dirty environment
- 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 | 2 3/4 | 69.9 | |
| B | 10 1/2 | 266.7 | |
| C | 6 3/4 | 171.5 | |
| C (max) | 8 1/2 | 215.9 | |
| D | 2 1/2 | 63.5 | |
| G | 7/8 | 22.2 | |
| H | 5 5/16 | 134.9 | |
| J | 2 3/16 | 55.6 | |
| K | 1 5/16 | 33.3 | |
| L | 2 23/32 | 69.1 |
Values as printed for SPM-31, the base part of SPM-31 CXU; the options in this part number do not change the housing. Verify critical dimensions before ordering.
- Housing Base
- Solid
- Rolling Element
- Ball Bearing
- Bore Shape
- Straight
- Overall Width (in)
- 2.50
- Overall Height (in)
- 5.31
- Base Width (in)
- 2.50
- Overall Length (in)
- 10.5
- Housing Construction
- One Piece
- Bolt Size (in)
- 5/8
- Options
- Air Handling Housing Fit, Noise Tested
- Bore Size - Inch
- 1.9375Shaft size chart
- Misalignment Type
- Static Only
- Outer Ring Land Profile
- Standard
- Housing Color
- Black
- Foot Height (in)
- 0.88
- Base to Center Height (in)
- 2.7500
- 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
- Ability to Relubricate
- Yes
- Inner Race Heat Treat Method
- Zone-Hardened
- Bearing Insert Material
- 52100 Bearing Steel
- Shaft Locking Type
- Set Screw
- Base Length (in)
- 10.50
- Bolt Spacing Min (in)
- 6.75
- Centerline to Outermost Bearing Face (in)
- 1.313
- Lubricant
- Lithium Complex NLGI 2 Grease
- Static Load Rating (lb)
- 5,216
- Maximum Speed (RPM)
- 3250
- Misalignment Capability
- ±2.0° Misalignment - Static Only
- Max Operating Temperature (F)
- 220
- Vibration Frequency Inner Ring Defect
- 0.0984
- Radial Clearance
- Standard
- Size Code
- 2-115
- Vibration Frequency Fundamental Train
- 0.0068
- Fixed vs. Expansion
- Fixed
- Grease Fitting Thread Size
- 1/8 NPT
- Cage Type
- Land Riding Retainer
- Inner Ring Outside Diameter (in)
- 2.469
- Housing Coating
- Powder Coated
- Vibration Frequency Outer Ring Defect
- 0.0683
- Bearing Type
- Medium Duty
- Bearing Insert Finish
- Black Oxide
- Housing Material
- Cast Iron
- Vibration Frequency Roller Spin
- 0.0445
- Bolt Spacing Max (in)
- 8.5
- End Cap Available
- No
- Dynamic Load Rating (lb)
- 7,889
- Duty/Series
- Medium
- Optional Seal
- Contact
- Operating Temperature Range (F)
- -20° to 220°F
- Dynamic Load Rating (N)
- 43,377
Always verify dimensions, load ratings, material, and seal type before ordering.
- Brandi
- Sealmaster
- Mfg. Catalog Numberi
- SPM-31 CXU
- Mfg. Part Numberi
- 700987
- GDS #i
- GDS-115763
- Categoryi
- Pillow Blocks
- UPCi
- 662461008140
- Inserti
- 3-115 CXU
SPM-31 options
| Part # | Configuration | Price | View |
|---|---|---|---|
| SPM-31 CXUThis part | Air-handling housing fit, noise tested | $406.69 | |
| SPM-31T CXU | Skwezloc concentric locking collar, Air-handling housing fit, noise tested | $514.21 | View |
Bearing insert used in this unit
| Part # | Name | Each |
|---|---|---|
| 700080 | 3-115 | $192.07 |
Common Questions
Is this a genuine Sealmaster part?
Yes. GDS Supply supplies the genuine Sealmaster SPM-31 CXU, manufacturer article number 700987. Its UPC is 662461008140.
