Sealmaster Mounted Cast Iron Wide Slot Take Up Ball Bearing - 52100 Bearing Steel, Black Oxided - Setscrew Lock - Reduced Maintenance - Lubed for Life - ST-31 RM
Part #:715866
Catalog #:ST-31 RM
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
- 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
- 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.
- Reduced maintenance design with plug and includes Sealmaster® Tapered Lands ensures that lubricant will be easily redirected back to the raceway.
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Product Specifications
Dimensions
| Overall Length (in): | 5.88 in | Overall Width (in): | 2.19 in |
| Overall Height (in): | 4.63 in | Bore Diameter (in): | 1.9375 in |
| Base to Center Height (in): | 3.57 in | Length Through Bore (in): | 2.027 in |
| Slot Width (in): | 0.688 in | Slot Spacing (in): | 4 in |
| Centerline to Outermost Bearing Face (in): | 1.281 in |
Technical Specifications
| Rolling Element: | Ball Bearing | Housing Construction: | One Piece |
| Bore Shape: | Straight | Options: | Reduced Maintenance - Lubed for Life |
| Housing Color: | Black | Outer Ring Land Profile: | Tapered Lands |
| Misalignment Type: | Static Only | Cage Material: | PPS - Polyphenylene Sulfide |
| Series: | ST | Seal Type: | Felt Labyrinth Seal |
| Housing Type: | Take-Up Block, Wide Slot | Slot Length (in): | 3.38 in |
| Housing Style: | Take-Up Block | Inner Race Heat Treat Method: | Zone-Hardened |
| Adjusting Screw Square Nut Seat Height (in): | 1.94 in | Adjusting Screw Clearance Hole Diameter (in): | 1.13 in |
| Carriage Bolt Size (in): | 3/4 in | Ability to Relubricate: | No |
| Shaft Locking Type: | Set Screw | Cage Type: | Land Riding Retainer |
| Max Operating Temperature (F): | 220 °F | Vibration Frequency Outer Ring Defect: | 0.0683 cps |
| Static Load Rating (lb): | 5,216 lb | Bearing Insert Material: | 52100 Bearing Steel |
| Housing Coating: | Powder Coated | Vibration Frequency Roller Spin: | 0.0445 cps |
| Dynamic Load Rating (lb): | 7,889 lb | Bearing Type: | Standard Duty |
| Inner Ring Outside Diameter (in): | 2.469 in | Vibration Frequency Fundamental Train: | 0.0068 cps |
| Grease Fitting Thread Size: | 1/8 NPT | Radial Clearance: | Standard |
| Maximum Speed (RPM): | 3550 rpm | Lubricant: | Lithium Complex NLGI 2 Grease |
| End Cap Available: | No | Bearing Insert Finish: | Black Oxide |
| Vibration Frequency Inner Ring Defect: | 0.0984 cps | Insert: | 2-115 |
| Housing Material: | Cast Iron | Fixed vs. Expansion: | Fixed |
| Size Code: | 2-115 | Misalignment Capability: | ±2.0° Misalignment - Static Only |
General Specifications
| UPC: | 662461332610 | Weight: | 6.00 LB |
| Packaged Length: | 5.19 IN | Packaged Width: | 2.13 IN |
| Packaged Height: | 7.81 IN | HTC: | 8483.20.4040 |
| Country of Origin: | United States of America |