Sealmaster Mounted Cast Iron Two Bolt Pillow Block Ball Bearing - 52100 Bearing Steel, Black Oxided - Setscrew Lock - Air Handling Housing Fit, Noise Tested - MP-55 CXU
Part #:725307
Catalog #:MP-55 CXU
KEY FEATURES
- Powder coated epoxy cast iron housing with extended inner ring bearings
- Zone hardened inner ring with 120° spacing setscrew locking with diamond faceted setscrews
- 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
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Product Specifications
Dimensions
| Overall Width (in): | 4.38 in | Base Width (in): | 4.38 in |
| Overall Length (in): | 15 in | Overall Height (in): | 8.25 in |
| Bolt Size (in): | 7/8 in | Bore Diameter (in): | 3.4375 in |
| Foot Height (in): | 1.31 in | Base to Center Height (in): | 4.0000 in |
| Length Through Bore (in): | 3.781 in | Bolt Spacing Max (in): | 12.63 in |
| Bolt Spacing Min (in): | 9.63 in | Centerline to Outermost Bearing Face (in): | 2.219 in |
Technical Specifications
| Rolling Element: | Ball Bearing | Housing Base: | Solid |
| Bore Shape: | Straight | Housing Construction: | One Piece |
| Misalignment Type: | Static Only | Outer Ring Land Profile: | Standard |
| Options: | Air Handling Housing Fit, Noise Tested | Housing Color: | Black |
| Cage Material: | Brass | Housing Type: | Pillow Block, Two Bolt |
| Seal Type: | Felt Labyrinth Seal | Housing Style: | Pillow Block |
| Ability to Relubricate: | Yes | Inner Race Heat Treat Method: | Zone-Hardened |
| Setscrew Torque (in-lbs): | 500-650 in/lbs | Bearing Insert Material: | 52100 Bearing Steel |
| Vibration Frequency Inner Ring Defect: | 0.0981 cps | Maximum Speed (RPM): | 2000 rpm |
| Insert: | 3-37 | Fixed vs. Expansion: | Fixed |
| Lubricant: | Lithium Complex NLGI 2 Grease | Housing Material: | Cast Iron |
| Vibration Frequency Outer Ring Defect: | 0.0685 cps | Cage Type: | Land Riding Retainer |
| Max Operating Temperature (F): | 220 °F | Housing Coating: | Powder Coated |
| Static Load Rating (lb): | 16,301 lb | Radial Clearance: | Standard |
| Vibration Frequency Roller Spin: | 0.0454 cps | Bearing Type: | Medium Duty |
| End Cap Available: | No | Inner Ring Outside Diameter (in): | 4.391 in |
| Vibration Frequency Fundamental Train: | 0.0069 cps | Grease Fitting Thread Size: | 1/4 NPT |
| Misalignment Capability: | ±2.0° Misalignment - Static Only | Base Length (in): | 15.00 in |
| Size Code: | 2-38 | Dynamic Load Rating (lb): | 21,566 lb |
| Shaft Locking Type: | Set Screw | Bearing Insert Finish: | Black Oxide |
General Specifications
| UPC: | 662461127605 | Weight: | 47.80 LB |
| Packaged Length: | 17.25 IN | Packaged Width: | 9.88 IN |
| Packaged Height: | 4.88 IN | HTC: | 8483.20.8040 |
| Country of Origin: | United States of America |