Sealmaster Mounted Cast Iron Two Bolt Pillow Block Ball Bearing - 52100 Bearing Steel, Black Oxided - Setscrew Lock - NP-211
Part #:709924
Catalog #:NP-211
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
- 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): | 5.00 in | Base Width (in): | 2.38 in |
| Overall Width (in): | 2.38 in | Overall Length (in): | 8.63 in |
| Bolt Size (in): | 5/8 in | Bore Diameter (mm): | 55 mm |
| Base to Center Height (in): | 2.5000 in | Foot Height (in): | 0.75 in |
| Length Through Bore (in): | 2.1875 in | Centerline to Outermost Bearing Face (in): | 1.313 in |
| Bolt Spacing Max (in): | 7 in | Bolt Spacing Min (in): | 6.5 in |
Technical Specifications
| Housing Base: | Solid | Rolling Element: | Ball Bearing |
| Bore Shape: | Straight | Housing Construction: | One Piece |
| Housing Color: | Black | Outer Ring Land Profile: | Standard |
| Misalignment Type: | Static Only | Cage Material: | PPS - Polyphenylene Sulfide |
| 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 | Cage Type: | Land Riding Retainer |
| Grease Fitting Thread Size: | 1/8 NPT | Static Load Rating (lb): | 6,601 lb |
| Bearing Type: | Standard Duty | Housing Coating: | Powder Coated |
| Fixed vs. Expansion: | Fixed | Vibration Frequency Inner Ring Defect: | 0.0987 cps |
| Shaft Locking Type: | Set Screw | Insert: | 5211 |
| Inner Ring Outside Diameter (in): | 2.719 in | Vibration Frequency Fundamental Train: | 0.0068 cps |
| Bearing Insert Finish: | Black Oxide | Vibration Frequency Roller Spin: | 0.0437 cps |
| Housing Material: | Cast Iron | Misalignment Capability: | ±2.0° Misalignment - Static Only |
| Radial Clearance: | Standard | End Cap Available: | No |
| Size Code: | 2-23 | Maximum Speed (RPM): | 3250 rpm |
| Dynamic Load Rating (lb): | 9,752 lb | Lubricant: | Lithium Complex NLGI 2 Grease |
| Bearing Insert Material: | 52100 Bearing Steel | Base Length (in): | 8.63 in |
| Max Operating Temperature (F): | 220 °F | Vibration Frequency Outer Ring Defect: | 0.068 cps |
General Specifications
| UPC: | 662461051825 | Weight: | 9.58 LB |
| Packaged Length: | 8.88 IN | Packaged Width: | 5.94 IN |
| Packaged Height: | 2.63 IN | HTC: | 8483.20.8040 |
| Country of Origin: | United States of America |

