Sealmaster Mounted Cast Iron Two Bolt Pillow Block Ball Bearing - 52100 Bearing Steel, Black Oxided - Concentric Lock - Air Handling Housing Fit, Noise Tested - NP-18T CXU
Part #:721860
Catalog #:NP-18T CXU
KEY FEATURES
- Powder coated epoxy cast iron housing with extended inner ring bearings
- Skwezloc® concentric locking for near perfect concentricity
- Air Handling noise check for quiet operation
- Looser than standard housing fit for ease of alignment on lightweight frames
- Felt labyrinth seal and flinger for dusty and dirty environment
- 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
How can we improve our Product Information?
Talk to one of our expert sales professionals about how this brand can efficiently power your business.
Product Specifications
Dimensions
| Base Width (in): | 1.88 in | Overall Length (in): | 6.5 in |
| Overall Height (in): | 3.38 in | Overall Width (in): | 1.88 in |
| Bolt Size (in): | 1/2 in | Bore Diameter (in): | 1.125 in |
| Base to Center Height (in): | 1.6875 in | Foot Height (in): | 0.56 in |
| Length Through Bore (in): | 1.56 in | Bolt Spacing (in): | 4.75 in |
| Bolt Spacing Max (in): | 5.06 in | Bolt Spacing Min (in): | 4.44 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 | Options: | Air Handling Housing Fit, Noise Tested |
| Cage Material: | PPS - Polyphenylene Sulfide | Housing Type: | Pillow Block, Two Bolt |
| Seal Type: | Felt Labyrinth Seal | Housing Style: | Pillow Block |
| Inner Race Heat Treat Method: | Zone-Hardened | Locking Collar Outside Diameter (in): | 2.23 in |
| Ability to Relubricate: | Yes | Maximum Speed (RPM): | 7600 rpm |
| Grease Fitting Thread Size: | 1/4-28 | Vibration Frequency Outer Ring Defect: | 0.0595 cps |
| Bearing Insert Material: | 52100 Bearing Steel | Bearing Type: | Standard Duty |
| Base Length (in): | 6.5 in | Shaft Locking Type: | Concentric |
| Dynamic Load Rating (lb): | 4,381 lb | Size Code: | 2-13 |
| Vibration Frequency Inner Ring Defect: | 0.0905 cps | Vibration Frequency Fundamental Train: | 0.0066 cps |
| Static Load Rating (lb): | 2,567 lb | Bearing Insert Finish: | Black Oxide |
| Radial Clearance: | Standard | Housing Coating: | Powder Coated |
| Fixed vs. Expansion: | Fixed | Housing Material: | Cast Iron |
| Misalignment Capability: | ±2.0° Misalignment - Static Only | Insert: | 2-12T CXU |
| Max Operating Temperature (F): | 220 °F | Inner Ring Outside Diameter (in): | 1.594 in |
| Cage Type: | Land Riding Retainer | Lubricant: | Lithium Complex NLGI 2 Grease |
| Vibration Frequency Roller Spin: | 0.0385 cps | End Cap Available: | No |
General Specifications
| UPC: | 662461201282 | Weight: | 3.80 LB |
| Packaged Length: | 4.38 IN | Packaged Width: | 2.06 IN |
| Packaged Height: | 6.81 IN | HTC: | 8483.20.8040 |
| Country of Origin: | United States of America |

