Pillow Blocks
Sealmaster MP-31 DRT
GOLD BRGS BULK MATL
MP-31 is also available as
Dynamic Load Rating (lb)
9,752
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 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 and dimple for direct lubrication and anti-rotation
Dimensions
| Dim. | Meaning | in | mm |
|---|---|---|---|
| A | 2 1/2 | 63.5 | |
| B | Overall 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 3/16 | 55.6 |
| 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 MP-31, the base part of MP-31 DRT; 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 Height (in)
- 5.09
- Overall Length (in)
- 9.5
- Overall Width (in)
- 2.88
- Base Width (in)
- 2.88
- Bolt Size (in)
- 5/8
- Housing Construction
- One Piece
- Housing Color
- Black
- Options
- High Contamination
- Bore Size - Inch
- 1.9375Shaft size chart
- Outer Ring Land Profile
- Standard
- 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)
- 2.1875
- Housing Type (Product Selection)
- Pillow Block, Two Bolt
- Seal Type (Product Selection)
- Multi-Lip Contact Seal
- Housing Style
- Pillow Block
- Inner Race Heat Treat Method
- Zone-Hardened
- Ability to Relubricate
- Yes
- Grease Fitting Thread Size
- 1/8 NPT
- Vibration Frequency Fundamental Train
- 0.0068
- Bearing Insert Material
- 52100 Bearing Steel
- Static Load Rating (lb)
- 6,601
- Max Operating Temperature (F)
- 220
- Bolt Spacing Max (in)
- 7.56
- Bolt Spacing Min (in)
- 5.94
- Housing Coating
- Powder Coated
- Vibration Frequency Outer Ring Defect
- 0.068
- Vibration Frequency Inner Ring Defect
- 0.0987
- Centerline to Outermost Bearing Face (in)
- 1.313
- Maximum Speed (RPM)
- 300
- Vibration Frequency Roller Spin
- 0.0437
- Base Length (in)
- 9.50
- Size Code
- 2-23
- Radial Clearance
- Standard
- Dynamic Load Rating (lb)
- 9,752
- Fixed vs. Expansion
- Fixed
- Shaft Locking Type
- Set Screw
- Lubricant
- Lithium Complex NLGI 2 Grease
- Bearing Type
- Medium Duty
- Inner Ring Outside Diameter (in)
- 2.719
- Lube Fill Percent
- 100% Grease Fill
- End Cap Available
- No
- Housing Material
- Cast Iron
- Cage Type
- Land Riding Retainer
- Bearing Insert Finish
- Black Oxide
- Misalignment Capability
- ±2.0° Misalignment - Static Only
- 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
- MP-31 DRT
- Mfg. Part Numberi
- 715048
- GDS #i
- GDS-118447
- Categoryi
- Pillow Blocks
- UPCi
- 662461326442
- Inserti
- 3-115 DRT
MP-31 options
| Part # | Configuration | Price | View |
|---|---|---|---|
| MP-31 | Base configuration | $333.74 | View |
| MP-31C | Contact seal | $319.48 | View |
| MP-31T | Skwezloc concentric locking collar | $326.20 | View |
| MP-31TC | Skwezloc concentric locking collar, contact seal | $397.76 | View |
| MP-31 CXU | Air-handling housing fit, noise tested | $440.39 | View |
| MP-31 DRTThis part | High-contamination seal | $818.56 | |
| MP-31 HT | High temperature | $501.95 | View |
| MP-31 HTC | High temperature, contact seal | Request quote | View |
| MP-31T HT | Skwezloc concentric locking collar, High temperature | $877.12 | View |
Bearing insert used in this unit
| Part # | Name | Each |
|---|---|---|
| 700080 | 3-115 | $192.07 |
Common Questions
What is the minimum order quantity for the MP-31 DRT?
The minimum order quantity for the MP-31 DRT is 5 units.
Is this a genuine Sealmaster part?
Yes. GDS Supply supplies the genuine Sealmaster MP-31 DRT, manufacturer article number 715048. Its UPC is 662461326442.
