Sealmaster Mounted Cast Iron Two Bolt Pillow Block Ball Bearing - 52100 Bearing Steel, Black Oxided - Concentric Lock - SP-20RT
Part #:725918
Catalog #:SP-20RT
KEY FEATURES
- Powder coated epoxy cast iron housing with extended inner ring bearings
- Skwezloc® concentric locking for near perfect concentricity
- 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): | 2 in | Overall Length (in): | 7.5 in |
| Base Width (in): | 2 in | Overall Height (in): | 3.88 in |
| Bolt Size (in): | 1/2 in | Bore Diameter (in): | 1.25 in |
| Foot Height (in): | 0.63 in | Base to Center Height (in): | 2 in |
| Length Through Bore (in): | 1.56 in | Bolt Spacing (in): | 5.75 in |
| Bolt Spacing Max (in): | 6.13 in | Bolt Spacing Min (in): | 5.38 in |
| Centerline to Outermost Bearing Face (in): | 0.98 in |
Technical Specifications
| Housing Base: | Solid | Rolling Element: | Ball Bearing |
| Bore Shape: | Straight | Housing Construction: | One Piece |
| Housing Color: | Black | Misalignment Type: | Static Only |
| Outer Ring Land Profile: | Standard | Cage Material: | PPS - Polyphenylene Sulfide |
| Seal Type: | Felt Labyrinth Seal | Housing Type: | Pillow Block, Two Bolt |
| Housing Style: | Pillow Block | Locking Collar Outside Diameter (in): | 2.23 in |
| Ability to Relubricate: | Yes | Inner Race Heat Treat Method: | Zone-Hardened |
| Vibration Frequency Outer Ring Defect: | 0.0595 cps | Vibration Frequency Fundamental Train: | 0.0066 cps |
| Vibration Frequency Roller Spin: | 0.0385 cps | Max Operating Temperature (F): | 220 °F |
| Housing Coating: | Powder Coated | Housing Material: | Cast Iron |
| Bearing Insert Material: | 52100 Bearing Steel | Size Code: | 2-13 |
| Vibration Frequency Inner Ring Defect: | 0.0905 cps | Inner Ring Outside Diameter (in): | 1.594 in |
| Misalignment Capability: | ±2.0° Misalignment - Static Only | Bearing Insert Finish: | Black Oxide |
| Grease Fitting Thread Size: | 1/4-28 | Insert: | 1-14T |
| Cage Type: | Land Riding Retainer | Static Load Rating (lb): | 2,567 lb |
| Dynamic Load Rating (lb): | 4,381 lb | Lubricant: | Lithium Complex NLGI 2 Grease |
| Radial Clearance: | Standard | Base Length (in): | 7.5 in |
| Bearing Type: | Standard Duty | End Cap Available: | No |
| Fixed vs. Expansion: | Fixed | Maximum Speed (RPM): | 7600 rpm |
| Shaft Locking Type: | Concentric |
General Specifications
| UPC: | 662461132852 | Weight: | 5.20 LB |
| Packaged Length: | 5.19 IN | Packaged Width: | 2.13 IN |
| Packaged Height: | 7.81 IN | HTC: | 8483.20.8040 |
| Country of Origin: | United States of America |