Rexnord KP521506 Solid-housed Pillow Blocks Rex Spherical Roller Bearings - KP521506
Part #:10418375
Catalog #:KP521506
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Product Specifications
Dimensions
| Overall Height (in): | 6.72 in | Base to Center Height (in): | 3.5 in |
| Foot Height (in): | 2.06 in | Bore Diameter (in): | 2.9375 in |
| Overall Width (in): | 4.88 in | Bolt Size (in): | 7/8 in |
| Base Width (in): | 3.88 in | Overall Length (in): | 12.59 in |
| Slot Length (in): | 1.63 in | Locking Collar Outside Diameter (in): | 4.06 in |
| Inner Ring Outside Diameter (in): | 3.37 in | Housing Cast Face to Outermost Bearing Face (in): | 0.88 in |
| Length Through Bore (in): | 4.88 in | Bolt Spacing (in): | 9.75 in |
| Base Length (in): | 13 in |
Technical Specifications
| Housing Color: | Black | Housing Type: | Pillow Block, Two Bolt |
| Radial Dynamic Load Capacity (lb): | 57,750 lb | Housing Construction: | Solid |
| Housing Style: | Pillow Block | Housing Material: | Cast Iron |
| Rolling Element: | Spherical Roller | Series: | Solid-housed Pillow Blocks |
| Shaft Locking Type: | Double Set Collar | Seal Type: | Light Contact Seal |
| Product: | ZP5000 | Fixed/Expansion: | Fixed |
| Static Load Rating (lb): | 71,500 lb | Radial Clearance: | C0 DECREASED |
| Misalignment Type: | Dynamic | Cage Material: | Engineered Polymer |
| Seal Kit: | KS9 | 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): | 1900 rpm | Ability to Relubricate: | Yes |
| Setscrew Torque (in-lbs): | 680 in/lbs | Microlock Kit: | ML3 |
| Max Operating Temperature (F): | 225 °F | Max Operating Temperature (C): | 107 °C |
| Vibration Frequency Roller Spin: | 0.0591 cps | Locking Device Kit: | SC9 QTY 2 |
| Vibration Frequency Fundamental Train: | 0.0072 cps | Primary Seal: | BUNA SGL LIP LIGHT CONTACT |
| Grease Fitting Thread Size: | 1/8 NPT | Insert: | 5215UR |
| Housing Coating: | POWDER COATED | Lubricant: | Lithium Complex NLGI 2 Grease |
| Vibration Frequency Inner Ring Defect: | 0.1701 cps | Size Code: | 9 |
| Misalignment Capability: | ±2.0° Misalignment - Dynamic | Vibration Frequency Outer Ring Defect: | 0.1299 cps |
General Specifications
| UPC: | 698210008277 | Weight: | 32.60 LB |
| Packaged Length: | 13.50 IN | Packaged Width: | 5.00 IN |
| Packaged Height: | 7.88 IN | Country of Origin: | Mexico |

