Sealmaster Mounted Cast Iron Wide Slot Take Up Ball Bearing - 52100 Bearing Steel, Black Oxided - Setscrew Lock - MST-23C
Part #:703221
Catalog #:MST-23C
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
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Product Specifications
Dimensions
| Overall Length (in): | 5.69 in | Overall Height (in): | 4.50 in |
| Overall Width (in): | 2.13 in | Bore Diameter (in): | 1.4375 in |
| Base to Center Height (in): | 3.50 in | Length Through Bore (in): | 1.938 in |
| Slot Width (in): | 0.688 in | Slot Spacing (in): | 4.000 in |
| Centerline to Outermost Bearing Face (in): | 1.188 in |
Technical Specifications
| Rolling Element: | Ball Bearing | Housing Construction: | One Piece |
| Bore Shape: | Straight | Outer Ring Land Profile: | Standard |
| Misalignment Type: | Static Only | Housing Color: | Black |
| Cage Material: | PPS - Polyphenylene Sulfide | Series: | MST |
| Housing Type: | Take-Up Block, Wide Slot | Seal Type: | Single Lip Contact Seal |
| Housing Style: | Take-Up Block | Adjusting Screw Square Nut Seat Height (in): | 1.94 in |
| Ability to Relubricate: | Yes | Setscrew Torque (in-lbs): | 125-165 in/lbs |
| Adjusting Screw Clearance Hole Diameter (in): | 1.13 in | Inner Race Heat Treat Method: | Zone-Hardened |
| Carriage Bolt Size (in): | 3/4 in | Bearing Insert Finish: | Black Oxide |
| Insert: | 3-17C | Shaft Locking Type: | Set Screw |
| Radial Clearance: | Standard | Lubricant: | Lithium Complex NLGI 2 Grease |
| End Cap Available: | No | Vibration Frequency Fundamental Train: | 0.0066 cps |
| Size Code: | 2-19 | Vibration Frequency Inner Ring Defect: | 0.0909 cps |
| Bearing Type: | Medium Duty | Grease Fitting Thread Size: | 1/4-28 |
| Housing Material: | Cast Iron | Dynamic Load Rating (lb): | 7,340 lb |
| Vibration Frequency Outer Ring Defect: | 0.0591 cps | Max Operating Temperature (F): | 220 °F |
| Static Load Rating (lb): | 4,467 lb | Vibration Frequency Roller Spin: | 0.0376 cps |
| Maximum Speed (RPM): | 4150 rpm | Housing Coating: | Powder Coated |
| Cage Type: | Land Riding Retainer | Fixed vs. Expansion: | Fixed |
| Misalignment Capability: | ±2.0° Misalignment - Static Only | Bearing Insert Material: | 52100 Bearing Steel |
| Inner Ring Outside Diameter (in): | 2.063 in |
General Specifications
| UPC: | 662461020418 | Weight: | 6.20 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 |

