Rexnord MB2311R48 Flange Blocks Rex Spherical Roller Bearings - MB2311R48
Part #:10421368
Catalog #:MB2311R48
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Product Specifications
Dimensions
| Bore Diameter (in): | 3.6875 in | Foot Height (in): | 1.13 in |
| Overall Length (in): | 9.75 in | Bolt Size (in): | 7/8 in |
| Housing Width (in): | 9.75 in | Overall Height (in): | 5.22 in |
| Overall Width (in): | 9.75 in | Locking Collar Outside Diameter (in): | 5.63 in |
| Standoff Distance (in): | 0.25 in | Length Through Bore (in): | 5.06 in |
| Bolt Spacing (in): | 7.59 in | Housing Cast Face to Outermost Bearing Face (in): | 1.03 in |
| Inner Ring Outside Diameter (in): | 4.561 in | Bolt Circle (in): | 10.75 in |
Technical Specifications
| Static Load Rating (lb): | 137,000 lb | Series: | Flange Blocks |
| Housing Type: | Flange, Four Bolt | Housing Material: | Cast Iron |
| Radial Dynamic Load Capacity (lb): | 130,970 lb | Fixed/Expansion: | Fixed |
| Seal Type: | Heavy Contact Seal | Rolling Element: | Spherical Roller |
| Cage Material: | Engineered Polymer | Housing Color: | Black |
| Housing Construction: | Solid | Product: | ZB2000 |
| Misalignment Type: | Dynamic | Housing Style: | Flange Block |
| Shaft Locking Type: | Single Set Collar | Radial Clearance: | C3 STANDARD |
| Setscrew Torque (in-lbs): | 1350 in/lbs | Seal Kit: | MS11 |
| Maximum Speed (RPM): | 1200 rpm | Available Seal Type: | K Light Contact Lip Seal; M Spring Loaded Heavy Contact Lip Seal (Buna and Viton); Z Clearance Seal; G Triple Lip |
| Microlock Kit: | ML4 | Ability to Relubricate: | Yes |
| Max Operating Temperature (C): | 107 °C | Vibration Frequency Outer Ring Defect: | 0.1283 cps |
| Vibration Frequency Fundamental Train: | 0.0071 cps | Grease Fitting Thread Size: | 1/8 NPT |
| Vibration Frequency Roller Spin: | 0.0548 cps | Primary Seal: | BUNA SPRING LOADED LIP SEAL |
| Misalignment Capability: | ±2.0° Misalignment - Dynamic | Max Operating Temperature (F): | 225 °F |
| Vibration Frequency Inner Ring Defect: | 0.1717 cps | Size Code: | 11 |
| Lubricant: | Lithium Complex NLGI 2 Grease | Locking Device Kit: | SC11 |
| Housing Coating: | POWDER COATED | Insert: | 2311UR |
General Specifications
| UPC: | 698210010584 | Weight: | 59.00 LB |
| Packaged Length: | 9.69 IN | Packaged Width: | 9.69 IN |
| Packaged Height: | 6.25 IN | HTC: | 8483204080 |
| Country of Origin: | Mexico |

