Rexnord KNT7220312 Take-up Assemblies Rex Spherical Roller Bearings - KNT7220312
Part #:10421317
Catalog #:KNT7220312
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Product Specifications
Dimensions
| Overall Length (in): | 29.5 in | Housing Width (in): | 4.13 in |
| Base to Center Height (in): | 4.188 in | Overall Width (in): | 3.5 in |
| Foot Height (in): | 1.75 in | Bolt Size (in): | 5/8 in |
| Overall Height (in): | 8.69 in | Bore Diameter (in): | 2.1875 in |
| Distance from Bearing Centerline to Housing Face (in): | 1.28 in | Travel Length (in): | 12 in |
| Frame Height (in): | 8.69 in | Overall Rod Length (in): | 26.38 in |
| Frame Width (in): | 3.5 in | Channel Width (in): | 3 in |
| Frame Length (in): | 29.5 in | Length Through Bore (in): | 3.32 in |
| Bolt Spacing (in): | 27.5 in | Frame Bolt Hole Center to Bearing Centerline (in): | 7.75 in |
Technical Specifications
| Radial Clearance: | C3 STANDARD | Housing Type: | Take-Up Assembly |
| Static Load Rating (lb): | 44,400 lb | Product: | ZNT2000 |
| Fixed/Expansion: | Fixed | Misalignment Type: | Dynamic |
| Housing Color: | Black | Cage Material: | Engineered Polymer |
| Housing Material: | Cast Iron | Frame Type: | Protected Screw Take-up Assembly |
| Rolling Element: | Spherical Roller | Housing Construction: | Solid |
| Shaft Locking Type: | Single Set Collar | Series: | Take-up Assemblies |
| Radial Dynamic Load Capacity (lb): | 36,370 lb | End Cap: | DTC7 |
| Housing Style: | Take-Up Assembly | Frame Material: | Welded Steel |
| Seal Type: | Light Contact Seal | Microlock Kit: | ML2 |
| Allowable Working Load [2/3 Yield Strength] (lb): | 3,600 lb | Setscrew Torque (in-lbs): | 460 in/lbs |
| Seal Kit: | KS7 | Frame: | ZNT712 |
| Adjusting Screw Thread Size: | 3/4-10 NC | Available Seal Type: | K Light Contact Lip Seal; M Spring Loaded Heavy Contact Lip Seal (Buna and Viton); Z Clearance Seal; G Triple Lip |
| Ability to Relubricate: | Yes | Maximum Speed (RPM): | 2500 rpm |
| Primary Seal: | BUNA SGL LIP LIGHT CONTACT | Max Operating Temperature (F): | 225 °F |
| Misalignment Capability: | ±2.0° Misalignment - Dynamic | Grease Fitting Thread Size: | 1/8 NPT |
| Vibration Frequency Fundamental Train: | 0.0072 cps | Max Operating Temperature (C): | 107 °C |
| Vibration Frequency Roller Spin: | 0.0606 cps | Locking Device Kit: | SC7 |
| Size Code: | 7 | Lubricant: | Lithium Complex NLGI 2 Grease |
| Vibration Frequency Outer Ring Defect: | 0.1377 cps | Housing Coating: | POWDER COATED |
| Insert: | 2203U | Vibration Frequency Inner Ring Defect: | 0.179 cps |
| Replacement Take-up Block: | KN72203 |
General Specifications
| UPC: | 698210709495 | Weight: | 49.00 LB |
| HTC: | 8483204080 | Country of Origin: | Mexico |