Sealmaster Mounted Cast Iron Wide Slot Take Up Ball Bearing - 52100 Bearing Steel, Black Oxided - Setscrew Lock - ST-28C
Part #:703709
Catalog #:ST-28C
KEY FEATURES
- Powder coated epoxy cast iron housing with extended inner ring bearings
- Zone hardened inner ring with 120° spacing setscrew 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
How can we improve our Product Information?
Talk to one of our expert sales professionals about how this brand can efficiently power your business.
Product Specifications
Dimensions
| Overall Height (in): | 4.63 in | Overall Length (in): | 5.69 in |
| Overall Width (in): | 2.19 in | Bore Diameter (in): | 1.75 in |
| Length Through Bore (in): | 1.934 in | Slot Width (in): | 0.688 in |
| Slot Spacing (in): | 4 in | Centerline to Outermost Bearing Face (in): | 1.19 in |
Technical Specifications
| Rolling Element: | Ball Bearing | Bore Shape: | Straight |
| Housing Construction: | One Piece | Outer Ring Land Profile: | Standard |
| Housing Color: | Black | Misalignment Type: | Static Only |
| Cage Material: | PPS - Polyphenylene Sulfide | Series: | ST |
| Housing Type: | Take-Up Block, Wide Slot | Seal Type: | Single Lip Contact Seal |
| Slot Length (in): | 3.25 in | Housing Style: | Take-Up Block |
| Carriage Bolt Size (in): | 3/4 in | Adjusting Screw Clearance Hole Diameter (in): | 1.13 in |
| Adjusting Screw Square Nut Seat Height (in): | 1.94 in | Ability to Relubricate: | Yes |
| Inner Race Heat Treat Method: | Zone-Hardened | Radial Clearance: | Standard |
| Bearing Insert Material: | 52100 Bearing Steel | Size Code: | 2-111 |
| Static Load Rating (lb): | 5,139 lb | Maximum Speed (RPM): | 3800 rpm |
| Vibration Frequency Inner Ring Defect: | 0.0994 cps | Housing Coating: | Powder Coated |
| Vibration Frequency Fundamental Train: | 0.0067 cps | Vibration Frequency Outer Ring Defect: | 0.0673 cps |
| Inner Ring Outside Diameter (in): | 2.307 in | Bearing Type: | Standard Duty |
| Misalignment Capability: | ±2.0° Misalignment - Static Only | Lubricant: | Lithium Complex NLGI 2 Grease |
| End Cap Available: | No | Grease Fitting Thread Size: | 1/4-28 |
| Fixed vs. Expansion: | Fixed | Bearing Insert Finish: | Black Oxide |
| Housing Material: | Cast Iron | Insert: | 2-112C |
| Cage Type: | Land Riding Retainer | Vibration Frequency Roller Spin: | 0.0417 cps |
| Max Operating Temperature (F): | 220 °F | Shaft Locking Type: | Set Screw |
| Dynamic Load Rating (lb): | 7,901 lb |
General Specifications
| UPC: | 662461024096 | Weight: | 5.85 LB |
| Packaged Length: | 4.63 IN | Packaged Width: | 2.31 IN |
| Packaged Height: | 7.50 IN | HTC: | 8483.20.4040 |
| Country of Origin: | United States of America |

