Sealmaster Mounted Cast Iron Two Bolt Pillow Block Ball Bearing - 52100 Bearing Steel, Black Oxided - Concentric Lock - NP-28TC
Part #:705762
Catalog #:NP-28TC
KEY FEATURES
- Powder coated epoxy cast iron housing with extended inner ring bearings
- Skwezloc® concentric locking for near perfect concentricity
- 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 Height (in): | 4.25 in | Overall Length (in): | 7.5 in |
| Base Width (in): | 2.13 in | Overall Width (in): | 2.13 in |
| Bolt Size (in): | 1/2 in | Bore Diameter (in): | 1.75 in |
| Foot Height (in): | 0.69 in | Base to Center Height (in): | 2.13 in |
| Length Through Bore (in): | 2.00 in | Bolt Spacing Max (in): | 6.06 in |
| Centerline to Outermost Bearing Face (in): | 1.31 in | Bolt Spacing Min (in): | 5.44 in |
Technical Specifications
| Rolling Element: | Ball Bearing | Housing Base: | Solid |
| Bore Shape: | Straight | Housing Construction: | One Piece |
| Outer Ring Land Profile: | Standard | Misalignment Type: | Static Only |
| Housing Color: | Black | Cage Material: | PPS - Polyphenylene Sulfide |
| Seal Type: | Single Lip Contact Seal | Housing Type: | Pillow Block, Two Bolt |
| Housing Style: | Pillow Block | Locking Collar Outside Diameter (in): | 2.94 in |
| Setscrew Torque (in-lbs): | 240 in/lbs | Ability to Relubricate: | Yes |
| Inner Race Heat Treat Method: | Zone-Hardened | Vibration Frequency Inner Ring Defect: | 0.0994 cps |
| Bearing Insert Finish: | Black Oxide | Insert: | 2-112TC |
| Grease Fitting Thread Size: | 1/4-28 | End Cap Available: | No |
| Housing Material: | Cast Iron | Maximum Speed (RPM): | 3800 rpm |
| Inner Ring Outside Diameter (in): | 2.063 in | Size Code: | 2-111 |
| Dynamic Load Rating (lb): | 7,901 lb | Bearing Insert Material: | 52100 Bearing Steel |
| Shaft Locking Type: | Concentric | Vibration Frequency Roller Spin: | 0.0417 cps |
| Housing Coating: | Powder Coated | Fixed vs. Expansion: | Fixed |
| Max Operating Temperature (F): | 220 °F | Static Load Rating (lb): | 5,139 lb |
| Vibration Frequency Outer Ring Defect: | 0.0673 cps | Vibration Frequency Fundamental Train: | 0.0067 cps |
| Bearing Type: | Standard Duty | Cage Type: | Land Riding Retainer |
| Lubricant: | Lithium Complex NLGI 2 Grease | Misalignment Capability: | ±2.0° Misalignment - Static Only |
| Base Length (in): | 7.50 in | Radial Clearance: | Standard |
General Specifications
| UPC: | 662461032794 | Weight: | 6.80 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 |