Pillow Blocks
Sealmaster MP-56C
GEN GOLD SET SCREW
MP-56 is also available as
- MP-56$1,198.85
- MP-56C$1,448.07
Dynamic Load Rating (lb)
21,566
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
- Single lip contact seal
- 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 | Overall 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 | 3 25/32 | 96.0 |
| 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 MP-56, the base part of MP-56C; 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)
- 4.38
- Overall Length (in)
- 15
- Overall Height (in)
- 8.25
- Overall Width (in)
- 4.38
- Housing Construction
- One Piece
- Bolt Size (in)
- 7/8
- Misalignment Type
- Static Only
- Bore Size - Inch
- 3.5Shaft size chart
- Outer Ring Land Profile
- Standard
- Housing Color
- Black
- Base to Center Height (in)
- 4.0000
- Foot Height (in)
- 1.31
- Cage Material
- Brass
- Length Through Bore (in)
- 3.781
- Housing Type (Product Selection)
- Pillow Block, Two Bolt
- Seal Type (Product Selection)
- Single Lip Contact Seal
- Housing Style
- Pillow Block
- Setscrew Torque (in-lbs)
- 500-650
- Inner Race Heat Treat Method
- Zone-Hardened
- Ability to Relubricate
- Yes
- Fixed vs. Expansion
- Fixed
- Housing Material
- Cast Iron
- Housing Coating
- Powder Coated
- Dynamic Load Rating (lb)
- 21,566
- End Cap Available
- No
- Lubricant
- Lithium Complex NLGI 2 Grease
- Maximum Speed (RPM)
- 1725
- Vibration Frequency Inner Ring Defect
- 0.0981
- Bearing Insert Finish
- Black Oxide
- Size Code
- 2-38
- Grease Fitting Thread Size
- 1/4 NPT
- Misalignment Capability
- ±2.0° Misalignment - Static Only
- Bearing Insert Material
- 52100 Bearing Steel
- Static Load Rating (lb)
- 16,301
- Base Length (in)
- 15.00
- Centerline to Outermost Bearing Face (in)
- 2.219
- Cage Type
- Land Riding Retainer
- Bolt Spacing Max (in)
- 12.63
- Max Operating Temperature (F)
- 220
- Vibration Frequency Fundamental Train
- 0.0069
- Inner Ring Outside Diameter (in)
- 4.391
- Bolt Spacing Min (in)
- 9.63
- Radial Clearance
- Standard
- Bearing Type
- Medium Duty
- Vibration Frequency Roller Spin
- 0.0454
- Shaft Locking Type
- Set Screw
- Vibration Frequency Outer Ring Defect
- 0.0685
- 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
- MP-56C
- Mfg. Part Numberi
- 704225
- GDS #i
- GDS-116623
- Categoryi
- Pillow Blocks
- UPCi
- 662461026830
- Inserti
- 2-38C
MP-56 options
| Part # | Configuration | Price | View |
|---|---|---|---|
| MP-56 | Base configuration | $1,198.85 | View |
| MP-56CThis part | Contact seal | $1,448.07 |
Bearing insert used in this unit
| Part # | Name | Each |
|---|---|---|
| 700060 | 2-38 | $1,339.86 |
Common Questions
What is the minimum order quantity for the MP-56C?
The minimum order quantity for the MP-56C is 6 units.
Is this a genuine Sealmaster part?
Yes. GDS Supply supplies the genuine Sealmaster MP-56C, manufacturer article number 704225. Its UPC is 662461026830.
