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Square Flange
Sealmaster MSF-309
Sealmaster Mounted Cast Iron Four Bolt Flange Ball Bearing - 52100 Bearing Steel, Black Oxided - Setscrew Lock - MSF-309
Dynamic Load Rating (lb)
7,889
Housing Base
Solid
Measure Units
Metric
Rolling Element
Ball Bearing
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 and dimple for direct lubrication and anti-rotation
Dimensions
| Dim. | Meaning | in | mm |
|---|---|---|---|
| A | 5 5/8 | 142.9 | |
| D | 1 9/16 | 39.7 | |
| G | Foot Height | 9/16 | 14.3 |
| H | Overall Height | 2 5/32 | 54.8 |
| J | Length Through Bore | 2 1/32 | 51.6 |
| L | 2 15/32 | 62.7 | |
| M | 4 33/64 | 114.7 | |
| N | 3/4 | 19.1 | |
| T_Core | 4 | 101.6 |
Values as printed for MSF-309. Verify critical dimensions before ordering.
- Housing Base
- Solid
- Measure Units
- Metric
- Rolling Element
- Ball Bearing
- Seal Type
- Felt Labyrinth Seal
- Insert Material
- 52100 Bearing Steel, Black Oxided
- Bore Shape
- Straight
- Radial Dynamic Load Capacity (lb)
- 7,889 lb
- Pilot Configuration
- No Pilot
- Misalignment
- ±2.0° Misalignment - Static Only
- Housing Construction
- One Piece
- Internal Clearance
- Standard
- Outer Ring Land Profile
- Standard
- End Cap
- No
- Duty/Series
- Medium
- Optional Seal
- Contact
- Operating Temperature Range (F)
- -20° to 220°F
- Dynamic Load Rating (N)
- 35,090
- Dynamic Load Rating (lb)
- 7,889
- Bolt Size (in)
- 9/16
Always verify dimensions, load ratings, material, and seal type before ordering.
- Brandi
- Sealmaster
- Mfg. Catalog Numberi
- MSF-309
- Mfg. Part Numberi
- 710176
- GDS #i
- GDS-117586
- Categoryi
- Square Flange
- Inserti
- 5309
Documents & Support
- Sealmaster Mounted Ball Bearings (Regal Rexnord catalog section G) — page G-51View
Common Questions
How do I get a price for the MSF-309?
This part is quoted individually. Request a quote from this page and our sales team will respond with current pricing and availability.
What is the minimum order quantity for the MSF-309?
The minimum order quantity for the MSF-309 is 10 units.
Is this a genuine Sealmaster part?
Yes. GDS Supply supplies the genuine Sealmaster MSF-309, manufacturer article number 710176.
