Sealmaster Mounted Cast Iron Four Bolt Flange Ball Bearing - 52100 Bearing Steel, Black Oxided - Setscrew Lock - SF-28
Part #:700453
Catalog #:SF-28
KEY FEATURES
- 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 and 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 and dimple for direct lubrication and anti-rotation
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Product Specifications
Dimensions
| Overall Width (in): | 5.38 in | Bolt Size (in): | 9/16 in |
| Overall Length (in): | 5.38 in | Overall Height (in): | 2.047 in |
| Bore Diameter (in): | 1.75 in | Foot Height (in): | 0.56 in |
| Length Through Bore (in): | 1.934 in | Bolt Spacing (in): | 4.125 in |
Technical Specifications
| Bore Shape: | Straight | Rolling Element: | Ball Bearing |
| Pilot Configuration: | No Pilot | Housing Construction: | One Piece |
| Outer Ring Land Profile: | Standard | Housing Color: | Black |
| Misalignment Type: | Static Only | Cage Material: | PPS - Polyphenylene Sulfide |
| Seal Type: | Felt Labyrinth Seal | Housing Type: | 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 in | Radial Clearance: | Standard |
| Misalignment Capability: | ±2.0° Misalignment - Static Only | Housing Coating: | Powder Coated |
| Fixed vs. Expansion: | Fixed | Bearing Insert Finish: | Black Oxide |
| Maximum Speed (RPM): | 3800 rpm | Static Load Rating (lb): | 5,139 lb |
| End Cap Available: | No | Size Code: | 2-111 |
| Housing Material: | Cast Iron | Max Operating Temperature (F): | 220 °F |
| Housing Backside Inner Diameter: | 3.88 | Cage Type: | Land Riding Retainer |
| Shaft Locking Type: | Set Screw | Dynamic Load Rating (lb): | 7,901 lb |
| Grease Fitting Thread Size: | 1/4-28 | Insert: | 2-112 |
| Lubricant: | Lithium Complex NLGI 2 Grease | Bearing Type: | Standard Duty |
General Specifications
| UPC: | 662461003558 | Weight: | 5.83 LB |
| Packaged Length: | 6.06 IN | Packaged Width: | 5.94 IN |
| Packaged Height: | 2.19 IN | HTC: | 8483.20.4040 |
| Country of Origin: | Mexico |

