Rexnord MA230778 Solid-housed Pillow Blocks Rex Spherical Roller Bearings - MA230778
Part #:10427279
Catalog #:MA230778
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Product Specifications
Dimensions
| Overall Width (in): | 4.38 in | Slot Length (in): | 1.63 in |
| Overall Height (in): | 7.5 in | Bolt Size (in): | 7/8 in |
| Base Width (in): | 3.44 in | Overall Length (in): | 13 in |
| Bore Diameter (in): | 3.4375 in | Foot Height (in): | 2.25 in |
| Base to Center Height (in): | 3.75 in | Locking Collar Outside Diameter (in): | 4.91 in |
| Length Through Bore (in): | 4.38 in | Inner Ring Outside Diameter (in): | 3.975 in |
| Bolt Spacing (in): | 10 in | Base Length (in): | 13 in |
| Housing Cast Face to Outermost Bearing Face (in): | 0.94 in |
Technical Specifications
| Seal Type: | Heavy Contact Seal | Rolling Element: | Spherical Roller |
| Housing Material: | Cast Iron | Cage Material: | Steel |
| Housing Color: | Black | Series: | Solid-housed Pillow Blocks |
| Misalignment Type: | Dynamic | Fixed/Expansion: | Fixed |
| Radial Clearance: | C3 STANDARD | Static Load Rating (lb): | 90,700 lb |
| Housing Construction: | Solid | Product: | ZA2000 |
| Housing Style: | Pillow Block | Radial Dynamic Load Capacity (lb): | 84,330 lb |
| Shaft Locking Type: | Single Set Collar | Housing Type: | Pillow Block, Two Bolt |
| Ability to Relubricate: | Yes | Available Seal Type: | K Light Contact Lip Seal; M Spring Loaded Heavy Contact Lip Seal (Buna and Viton); Z Clearance Seal; G Triple Lip |
| Maximum Speed (RPM): | 1400 rpm | Setscrew Torque (in-lbs): | 680 in/lbs |
| Microlock Kit: | ML4 | Seal Kit: | MS10 |
| Housing Coating: | POWDER COATED | Size Code: | 10 |
| Max Operating Temperature (F): | 225 °F | Vibration Frequency Inner Ring Defect: | 0.1784 cps |
| Misalignment Capability: | ±2.0° Misalignment - Dynamic | Vibration Frequency Fundamental Train: | 0.0073 cps |
| Max Operating Temperature (C): | 107 °C | Primary Seal: | BUNA SPRING LOADED LIP SEAL |
| Grease Fitting Thread Size: | 1/8 NPT | Locking Device Kit: | SC10 |
| Vibration Frequency Outer Ring Defect: | 0.1383 cps | Vibration Frequency Roller Spin: | 0.0628 cps |
| Lubricant: | Lithium Complex NLGI 2 Grease | Insert: | 2307UR78 |
General Specifications
| UPC: | 793699397819 | Weight: | 38.00 LB |
| Packaged Length: | 13.50 IN | Packaged Width: | 5.00 IN |
| Packaged Height: | 7.88 IN | HTC: | 8483208080 |
| Country of Origin: | Mexico |

