Pillow Blocks
Sealmaster MPD-31 CXU
GOLD HVAC INDUSTRIAL
MPD-31 is also available as
- MPD-31$386.87
- MPD-31 AXQQuote
- MPD-31 CXU$466.26
- MPD-31C CXU$861.68
Dynamic Load Rating (lb)
9,752
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 on both sides of ball path 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 1/2 | 63.5 | |
| B | Base Length | 9 1/2 | 241.3 |
| C | Bolt Spacing Min | 5 15/16 | 150.8 |
| C (max) | Bolt Spacing Max | 7 9/16 | 192.1 |
| D | Base Width | 2 7/8 | 73.0 |
| G | Foot Height | 7/8 | 22.2 |
| H | Overall Height | 5 3/32 | 129.4 |
| J | Length Through Bore | 2 5/8 | 66.7 |
| K | Centerline to Outermost Bearing Face | 1 5/16 | 33.3 |
| L | Inner Ring Outside Diameter | 2 23/32 | 69.1 |
Values as printed for MPD-31, the base part of MPD-31 CXU; the options in this part number do not change the housing. Verify critical dimensions before ordering.
- Rolling Element
- Ball Bearing
- Housing Base
- Solid
- Bore Shape
- Straight
- Base Width (in)
- 2.88
- Overall Length (in)
- 9.5
- Overall Width (in)
- 2.88
- Overall Height (in)
- 5.09
- Housing Construction
- One Piece
- Bolt Size (in)
- 5/8
- Options
- Air Handling Housing Fit, Noise Tested
- Housing Color
- Black
- Outer Ring Land Profile
- Standard
- Bore Size - Inch
- 1.9375Shaft size chart
- Misalignment Type
- Static Only
- Base to Center Height (in)
- 2.5000
- Foot Height (in)
- 0.88
- Cage Material
- PPS - Polyphenylene Sulfide
- Length Through Bore (in)
- 2.625
- 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
- Bolt Spacing Max (in)
- 7.56
- Misalignment Capability
- ±2.0° Misalignment - Static Only
- Vibration Frequency Roller Spin
- 0.0437
- Maximum Speed (RPM)
- 4500
- Vibration Frequency Outer Ring Defect
- 0.068
- Cage Type
- Land Riding Retainer
- End Cap Available
- No
- Fixed vs. Expansion
- Fixed
- Lubricant
- Lithium Complex NLGI 2 Grease
- Grease Fitting Thread Size
- 1/8 NPT
- Vibration Frequency Inner Ring Defect
- 0.0987
- Static Load Rating (lb)
- 6,601
- Base Length (in)
- 9.50
- Centerline to Outermost Bearing Face (in)
- 1.313
- Bearing Type
- Medium Duty
- Max Operating Temperature (F)
- 220
- Shaft Locking Type
- Double Set Screw
- Bearing Insert Finish
- Black Oxide
- Housing Material
- Cast Iron
- Size Code
- 2-23
- Housing Coating
- Powder Coated
- Bolt Spacing Min (in)
- 5.94
- Vibration Frequency Fundamental Train
- 0.0068
- Radial Clearance
- Standard
- Inner Ring Outside Diameter (in)
- 2.719
- Bearing Insert Material
- 52100 Bearing Steel
- Dynamic Load Rating (lb)
- 9,752
- 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
- MPD-31 CXU
- Mfg. Part Numberi
- 709557
- GDS #i
- GDS-117439
- Categoryi
- Pillow Blocks
- UPCi
- 662461049761
- Inserti
- 3-115D
MPD-31 options
| Part # | Configuration | Price | View |
|---|---|---|---|
| MPD-31 | Base configuration | $386.87 | View |
| MPD-31 AXQ | — | Request quote | View |
| MPD-31 CXUThis part | Air-handling housing fit, noise tested | $466.26 | |
| MPD-31C CXU | Contact seal, Air-handling housing fit, noise tested | $861.68 | View |
Bearing insert used in this unit
| Part # | Name | Each |
|---|---|---|
| 702054 | 3-115D | $264.35 |
Common Questions
Is this a genuine Sealmaster part?
Yes. GDS Supply supplies the genuine Sealmaster MPD-31 CXU, manufacturer article number 709557. Its UPC is 662461049761.
