Pillow Blocks
Sealmaster MPD-55
GEN GOLD SET SCREW
MPD-55 is also available as
- MPD-55$1,624.55
- MPD-55 CBPQuote
- MPD-55 CXU$1,624.55
Dynamic Load Rating (lb)
21,566 lb
Bore Size - Inch
3.4375
Base Width (in)
4.38 in
Overall Width (in)
4.44 in
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
- 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 | 4 | 101.6 | |
| B | Base Length | 15 | 381.0 |
| C | Bolt Spacing Min | 9 5/8 | 244.5 |
| C (max) | Bolt Spacing Max | 12 5/8 | 320.7 |
| D | Base Width | 4 3/8 | 111.1 |
| G | Foot Height | 1 5/16 | 33.3 |
| H | Overall Height | 8 1/4 | 209.6 |
| J | Length Through Bore | 4 7/16 | 112.7 |
| K | Centerline to Outermost Bearing Face | 2 7/32 | 56.4 |
| L | Inner Ring Outside Diameter | 4 25/64 | 111.5 |
Values as printed for MPD-55. Verify critical dimensions before ordering.
- Bore Size - Inch
- 3.4375Shaft size chart
- Base Width (in)
- 4.38 in
- Overall Width (in)
- 4.44 in
- Housing Type (Product Selection)
- Pillow Block, Two Bolt
- Seal Type (Product Selection)
- Felt Labyrinth Seal
- Overall Height (in)
- 8.25 in
- Overall Length (in)
- 15 in
- Bolt Size (in)
- 7/8 in
- Bore Diameter (in)
- 3.4375 in
- Base to Center Height (in)
- 4.0000 in
- Foot Height (in)
- 1.31 in
- Length Through Bore (in)
- 4.438 in
- Bolt Spacing Max (in)
- 12.63 in
- Centerline to Outermost Bearing Face (in)
- 2.219 in
- Bolt Spacing Min (in)
- 9.63 in
- Rolling Element
- Ball Bearing
- Housing Base
- Solid
- Bore Shape
- Straight
- Housing Construction
- One Piece
- Housing Color
- Black
- Outer Ring Land Profile
- Standard
- Misalignment Type
- Static Only
- Cage Material
- Brass
- Housing Type
- Pillow Block, Two Bolt
- Seal Type
- Felt Labyrinth Seal
- Housing Style
- Pillow Block
- Setscrew Torque (in-lbs)
- 500-650 in/lbs
- Ability to Relubricate
- Yes
- Inner Race Heat Treat Method
- Zone-Hardened
- Size Code
- 2-38
- Inner Ring Outside Diameter (in)
- 4.391 in
- Vibration Frequency Roller Spin
- 0.0454 cps
- Shaft Locking Type
- Double Set Screw
- Cage Type
- Land Riding Retainer
- Bearing Insert Finish
- Black Oxide
- Housing Material
- Cast Iron
- Fixed vs. Expansion
- Fixed
- Vibration Frequency Fundamental Train
- 0.0069 cps
- Static Load Rating (lb)
- 16,301 lb
- Bearing Type
- Medium Duty
- Base Length (in)
- 15.00 in
- Housing Coating
- Powder Coated
- Bearing Insert Material
- 52100 Bearing Steel
- Vibration Frequency Outer Ring Defect
- 0.0685 cps
- Dynamic Load Rating (lb)
- 21,566 lb
- Lubricant
- Lithium Complex NLGI 2 Grease
- End Cap Available
- No
- Grease Fitting Thread Size
- 1/4 NPT
- Misalignment Capability
- ±2.0° Misalignment - Static Only
- Max Operating Temperature (F)
- 220 °F
- Vibration Frequency Inner Ring Defect
- 0.0981 cps
- Maximum Speed (RPM)
- 2800 rpm
- Radial Clearance
- Standard
- Duty/Series
- Medium
- Optional Seal
- Contact
- Operating Temperature Range (F)
- -20° to 220°F
- Dynamic Load Rating (N)
- 95,926
Always verify dimensions, load ratings, material, and seal type before ordering.
- Brandi
- Sealmaster
- Mfg. Catalog Numberi
- MPD-55
- Mfg. Part Numberi
- 702317
- GDS #i
- GDS-116162
- Categoryi
- Pillow Blocks
- UPCi
- 662461016855
- Inserti
- 3-37D
- Country of Origini
- United States of America
MPD-55 options
| Part # | Configuration | Price | View |
|---|---|---|---|
| MPD-55This part | Base configuration | $1,624.55 | |
| MPD-55 CBP | — | Request quote | View |
| MPD-55 CXU | Air-handling housing fit, noise tested | $1,624.55 | View |
Bearing insert used in this unit
| Part # | Name | Each |
|---|---|---|
| 702071 | 3-37D | $1,578.98 |
Common Questions
What is the bore diameter of the MPD-55?
The MPD-55 has a bore diameter of 3.4375 in. The specification table above lists every published dimension for this part.
Is this a genuine Sealmaster part?
Yes. GDS Supply supplies the genuine Sealmaster MPD-55, manufacturer article number 702317. Its UPC is 662461016855.
