Sealmaster Mounted Cast Iron Two Bolt Low Base Pillow Block Ball Bearing - 52100 Bearing Steel, Black Oxided - Concentric Lock - NPL-28TC
Part #:705883
Catalog #:NPL-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 Width (in): | 2.13 in | Overall Height (in): | 4.19 in |
| Base Width (in): | 2.13 in | Overall Length (in): | 7.5 in |
| Bolt Size (in): | 1/2 in | Bore Diameter (in): | 1.75 in |
| Foot Height (in): | 0.63 in | Base to Center Height (in): | 2.06 in |
| Length Through Bore (in): | 2.00 in | Bolt Spacing Max (in): | 6.06 in |
| Bolt Spacing Min (in): | 5.44 in | Centerline to Outermost Bearing Face (in): | 1.31 in |
Technical Specifications
| Housing Base: | Solid | Rolling Element: | Ball Bearing |
| Bore Shape: | Straight | Housing Construction: | One Piece |
| Misalignment Type: | Static Only | Outer Ring Land Profile: | Standard |
| Housing Color: | Black | Cage Material: | PPS - Polyphenylene Sulfide |
| Housing Type: | Pillow Block, Two Bolt, Low Base | Seal Type: | Single Lip Contact Seal |
| Housing Style: | Pillow Block | Setscrew Torque (in-lbs): | 240 in/lbs |
| Inner Race Heat Treat Method: | Zone-Hardened | Locking Collar Outside Diameter (in): | 2.94 in |
| Ability to Relubricate: | Yes | Size Code: | 2-111 |
| Bearing Type: | Standard Duty | Static Load Rating (lb): | 5,139 lb |
| Base Length (in): | 7.50 in | Housing Coating: | Powder Coated |
| Insert: | 2-112TC | Misalignment Capability: | ±2.0° Misalignment - Static Only |
| Max Operating Temperature (F): | 220 °F | Bearing Insert Material: | 52100 Bearing Steel |
| Vibration Frequency Roller Spin: | 0.0417 cps | Radial Clearance: | Standard |
| Bearing Insert Finish: | Black Oxide | Vibration Frequency Inner Ring Defect: | 0.0994 cps |
| Housing Material: | Cast Iron | Vibration Frequency Fundamental Train: | 0.0067 cps |
| Maximum Speed (RPM): | 3800 rpm | Inner Ring Outside Diameter (in): | 2.063 in |
| Vibration Frequency Outer Ring Defect: | 0.0673 cps | End Cap Available: | No |
| Shaft Locking Type: | Concentric | Dynamic Load Rating (lb): | 7,901 lb |
| Lubricant: | Lithium Complex NLGI 2 Grease | Grease Fitting Thread Size: | 1/4-28 |
| Fixed vs. Expansion: | Fixed | Cage Type: | Land Riding Retainer |
General Specifications
| UPC: | 662461033630 | Weight: | 6.70 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 |

