Rexnord MA6303 Solid-housed Pillow Blocks Rex Spherical Roller Bearings - MA6303
Part #:10422863
Catalog #:MA6303
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Product Specifications
Dimensions
| Slot Length (in): | 1.63 in | Foot Height (in): | 2.25 in |
| Bore Diameter (in): | 3.1875 in | Bolt Size (in): | 7/8 in |
| Base to Center Height (in): | 3.75 in | Base Width (in): | 3.44 in |
| Overall Height (in): | 7.5 in | Overall Width (in): | 5.03 in |
| Overall Length (in): | 13 in | Locking Collar Outside Diameter (in): | 4.95 in |
| Housing Cast Face to Outermost Bearing Face (in): | 1.59 in | Inner Ring Outside Diameter (in): | 3.975 in |
| Base Length (in): | 13 in | Length Through Bore (in): | 5.03 in |
| Bolt Spacing (in): | 10 in |
Technical Specifications
| Housing Material: | Cast Iron | Radial Dynamic Load Capacity (lb): | 84,330 lb |
| Housing Type: | Pillow Block, Two Bolt | Seal Type: | Heavy Contact Seal |
| Fixed/Expansion: | Fixed | Series: | Solid-housed Pillow Blocks |
| Radial Clearance: | C3 STANDARD | Misalignment Type: | Dynamic |
| Cage Material: | Engineered Polymer | Shaft Locking Type: | Adapter Mount |
| End Cap: | NEED EXT EC | Housing Construction: | Solid |
| Product: | ZA6000 | Housing Color: | Black |
| Rolling Element: | Spherical Roller | Static Load Rating (lb): | 90,700 lb |
| Housing Style: | Pillow Block | Wrench Style Shurlok Install Tool: | 105-90420-51 |
| Maximum Speed (RPM): | 1400 rpm | Setscrew Torque (in-lbs): | 165-185 in/lbs |
| Microlock Kit: | ML4 | Ability to Relubricate: | Yes |
| Seal Kit: | MS10 | Available Seal Type: | K Light Contact Lip Seal; M Heavy Contact Lip Seal; Z Clearance Seal |
| Insert: | 6303U | Primary Seal: | BUNA SPRING LOADED LIP SEAL |
| Vibration Frequency Inner Ring Defect: | 0.1784 cps | Max Operating Temperature (C): | 107 °C |
| Grease Fitting Thread Size: | 1/8 NPT | Vibration Frequency Outer Ring Defect: | 0.1383 cps |
| Impact Style Shurlok Install Tool: | 105-90425-51 | Size Code: | 10 |
| Shaft Locking Collar Kit/Adapter Assembly: | AK106303 | Max Operating Temperature (F): | 225 °F |
| Misalignment Capability: | ±2.0° Misalignment - Dynamic | Vibration Frequency Fundamental Train: | 0.0073 cps |
| Vibration Frequency Roller Spin: | 0.0628 cps | Housing Coating: | POWDER COATED |
| Locking Device Kit: | AK106303 | Lubricant: | Lithium Complex NLGI 2 Grease |
General Specifications
| UPC: | 793699906806 | Weight: | 40.00 LB |
| Packaged Length: | 13.50 IN | Packaged Width: | 5.00 IN |
| Packaged Height: | 7.88 IN | HTC: | 84833080 |

