Pillow Blocks
Sealmaster MP-51
Sealmaster Mounted Cast Iron Two Bolt Pillow Block Ball Bearing - 52100 Bearing Steel, Black Oxided - Setscrew Lock - MP-51
MP-51 is also available as
- MP-51$1,132.69
- MP-51CQuote
Dynamic Load Rating (lb)
18,681
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
- 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 , 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 11/16 | 246.1 |
| C (max) | Bolt Spacing Max | 12 9/16 | 319.1 |
| D | Base Width | 4 | 101.6 |
| G | Foot Height | 1 1/4 | 31.8 |
| H | Overall Height | 8 | 203.2 |
| J | Length Through Bore | 3 3/8 | 85.7 |
| K | Centerline to Outermost Bearing Face | 2 1/32 | 51.6 |
| L | Inner Ring Outside Diameter | 4 5/32 | 105.6 |
Values as printed for MP-51. Verify critical dimensions before ordering.
- Housing Base
- Solid
- Rolling Element
- Ball Bearing
- Bore Shape
- Straight
- Overall Height (in)
- 8
- Overall Width (in)
- 4.00
- Overall Length (in)
- 15
- Base Width (in)
- 4.00
- Housing Construction
- One Piece
- Bolt Size (in)
- 7/8
- Bore Size - Inch
- 3.1875Shaft size chart
- Misalignment Type
- Static Only
- Housing Color
- Black
- Outer Ring Land Profile
- Standard
- Foot Height (in)
- 1.25
- Base to Center Height (in)
- 4.0000
- Cage Material
- Brass
- Length Through Bore (in)
- 3.375
- Seal Type (Product Selection)
- Felt Labyrinth Seal
- Housing Type (Product Selection)
- Pillow Block, Two Bolt
- Housing Style
- Pillow Block
- Inner Race Heat Treat Method
- Zone-Hardened
- Setscrew Torque (in-lbs)
- 350-450
- Ability to Relubricate
- Yes
- Vibration Frequency Outer Ring Defect
- 0.0762
- Dynamic Load Rating (lb)
- 18,681
- Bolt Spacing Max (in)
- 12.56
- Static Load Rating (lb)
- 14,496
- Bearing Type
- Medium Duty
- Base Length (in)
- 15.00
- Bearing Insert Material
- 52100 Bearing Steel
- Centerline to Outermost Bearing Face (in)
- 2.031
- Fixed vs. Expansion
- Fixed
- Inner Ring Outside Diameter (in)
- 4.156
- Vibration Frequency Inner Ring Defect
- 0.1071
- Vibration Frequency Fundamental Train
- 0.0069
- Misalignment Capability
- ±2.0° Misalignment - Static Only
- Max Operating Temperature (F)
- 220
- Lubricant
- Lithium Complex NLGI 2 Grease
- End Cap Available
- No
- Size Code
- 2-37
- Radial Clearance
- Standard
- Cage Type
- Land Riding Retainer
- Maximum Speed (RPM)
- 2125
- Bolt Spacing Min (in)
- 9.69
- Housing Coating
- Powder Coated
- Bearing Insert Finish
- Black Oxide
- Shaft Locking Type
- Set Screw
- Housing Material
- Cast Iron
- Vibration Frequency Roller Spin
- 0.0479
- Grease Fitting Thread Size
- 1/4 NPT
- Duty/Series
- Medium
- Optional Seal
- Contact
- Operating Temperature Range (F)
- -20° to 220°F
- Dynamic Load Rating (N)
- 83,093
Always verify dimensions, load ratings, material, and seal type before ordering.
- Brandi
- Sealmaster
- Mfg. Catalog Numberi
- MP-51
- Mfg. Part Numberi
- 701883
- GDS #i
- GDS-115970
- Categoryi
- Pillow Blocks
- UPCi
- 662461013953
- Inserti
- 3-33
MP-51 options
| Part # | Configuration | Price | View |
|---|---|---|---|
| MP-51This part | Base configuration | $1,132.69 | |
| MP-51C | Contact seal | Request quote | View |
Bearing insert used in this unit
| Part # | Name | Each |
|---|---|---|
| 700095 | 3-33 | $824.18 |
Common Questions
Is this a genuine Sealmaster part?
Yes. GDS Supply supplies the genuine Sealmaster MP-51, manufacturer article number 701883. Its UPC is 662461013953.
