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Sealmaster SF-28
Sealmaster Mounted Cast Iron Four Bolt Flange Ball Bearing - 52100 Bearing Steel, Black Oxided - Setscrew Lock - SF-28
Dynamic Load Rating (lb)
7,901
Bore Shape
Straight
Rolling Element
Ball Bearing
Overall Width (in)
5.38
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
- Felt labyrinth seal and flinger for dry , dusty environment
- 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
| Part Number | 700453 |
| Brand | Sealmaster |
| Bore Shape | Straight |
| Rolling Element | Ball Bearing |
| Overall Width (in) | 5.38 |
| Bolt Size (in) | 9/16 |
| Pilot Configuration | No Pilot |
| Housing Construction | One Piece |
| Overall Length (in) | 5.38 |
| Overall Height (in) | 2.047 |
| Bore Size - Inch | 1.75 |
| Outer Ring Land Profile | Standard |
| Housing Color | Black |
| Misalignment Type | Static Only |
| Foot Height (in) | 0.56 |
| Cage Material | PPS - Polyphenylene Sulfide |
| Length Through Bore (in) | 1.934 |
| Seal Type (Product Selection) | Felt Labyrinth Seal |
| Housing Type (Product Selection) | Flange, Four Bolt |
| Housing Style | Flange Block |
| Inner Race Heat Treat Method | Zone-Hardened |
| Ability to Relubricate | Yes |
| Bearing Insert Material | 52100 Bearing Steel |
| Inner Ring Outside Diameter (in) | 2.307 |
| Radial Clearance | Standard |
| Misalignment Capability | ±2.0° Misalignment - Static Only |
| Bolt Spacing (in) | 4.125 |
| Housing Coating | Powder Coated |
| Fixed vs. Expansion | Fixed |
| Bearing Insert Finish | Black Oxide |
| Maximum Speed (RPM) | 3800 |
| Static Load Rating (lb) | 5,139 |
| End Cap Available | No |
| Size Code | 2-111 |
| Housing Material | Cast Iron |
| Max Operating Temperature (F) | 220 |
| Housing Backside Inner Diameter | 3.88 |
| Cage Type | Land Riding Retainer |
| Shaft Locking Type | Set Screw |
| Dynamic Load Rating (lb) | 7,901 |
| Grease Fitting Thread Size | 1/4-28 |
| Insert | 2-112 |
| Lubricant | Lithium Complex NLGI 2 Grease |
| Bearing Type | Standard Duty |
Always verify dimensions, load ratings, material, and seal type before ordering.
| Brandi | Sealmaster |
| Mfg. Catalog Numberi | SF-28 |
| Mfg. Part Numberi | 700453 |
| GDS #i | GDS-115511 |
| Categoryi | Bearings / Mounted / Mounted Ball Bearings / Flange Units / Square Flange |
| UPCi | 662461003558 |
