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Rexnord Corp.
ZB2208
Cast Iron 2 1/2 in Shaft Dia Single Set Collar Spherical Roller Flange Block
Item #101158894
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![Prop 65]()
Prop 65
- Cast Iron Housing Material
- Single Set Collar Shaft Locking
features
- Easy bearing clearance: can be field adjusted to meet application needs
- Mounting to suit the load and installation requirements
- Shaft ready: prelubricated with standard grease for normal operation
- other lubricants available for special conditions
- Fully self-aligning: spherical roller bearing to accommodate operational and installation misalignment
- Rugged housing: standard material – cast iron, steel or ductile iron available on request
- Carburized raceways: case-carburized inner races provide a hard, fatigue-resistant surface and a tough, crack-resistant ductile core
- Interchangeable seals: three types of seals to match the application requirements: Z seal, for the broad range of normal operating conditions
- K seal, for dusty, dirty conditions
- and M seal, for protection against liquid contamination
- For extra protection under severe conditions, auxiliary caps are also available
| Bearing Standoff Distance | 3/32 in |
| Bolt Size | 5/8 in |
| Bore Range [Max] | 4 in |
| Vibration Frequency Roller Spin | 0.0607 cps |
| Pilot Diameter | 5.4375 in |
| Lubrication Type | Exxon Ronex MP Std |
| Housing Height | 8 1/8 in |
| Shaft Locking | Single Set Collar |
| Lubricant Type | Exxon Ronex MP |
| Standoff Distance | 3/32 in |
| Setscrew Torque | 680 in-lbs |
| Temperature Range [Min] | -40 °F |
| Vibration Frequency Fundamental Train | 0.0072 cps |
| Bolt Circle Radius | 3 3/8 in |
| Housing Material | Cast Iron |
| Inch/Metric | Inch |
| Bore Length | 3 1/2 in |
| Housing Length | 8 1/8 in |
| Duty | Heavy-Duty |
| Bearing Design | Non-Expansion |
| Mounting Bolt Size | 5/8 in |
| Vibration Frequency Inner Ring Defect | 0.1791 cps |
| Housing Construction | One Piece |
| Bearing Housing | Flange Block 4 Bolt Round |
| Volume | 0.048 Hectoliter |
| Flange Thickness | 0.75 in |
| End Type | Open End |
| Primary Seal | Steel Clearance Seal |
| Inner Ring Hub Diameter | 2 29/32 in |
| Style | 4-Bolt Flange |
| Static Load Rating | 53500 lb |
| Radial Dynamic Load Capacity | 43240 lb |
| Distance Between Bolt Holes | 4 49/64 in |
| Flange Style | 4-Bolt Round |
| Locking Collar O.D. | 3 9/16 in |
| Size Code | 8 |
| Flange Type | 4-Bolt Flange |
| Lubrication | Relubricatable |
| Locking Device | Single Setscrew Locking Collar |
| Housing Coating | Powder Coated |
| Shaft Dia. | 2.5 in |
| Retainer Type | Engineered Polymer |
| Bolt Circle Dia. | 6 3/4 in |
| Series | 2000 |
| Microlock Kit | ML3 |
| Mounted Unit Duty | Heavy Duty |
| Seal Type | Clearance Seals |
| Length Through Bore | 3.5 in |
| Vibration Frequency Outer Ring Defect | 0.1376 cps |
| Mounted Clearance | C3 Standard |
| Threaded Cover Kit | TC8 |
| Overall Width | 3 5/8 in |
| Mounting Pad Height | 3/4 in |
| Grease Fitting Size | 1/8 NPT |
| Housing Diameter | 5.375 in |
| RPM [Max] | 3300 rpm |
| Bearing Type | Spherical Roller |
| Bolt Hole Spacing | 4 49/64 in |
| Temperature [Max] | 225 °F |
| Seal Kit | ZS8 |
| Shape | Round |
| Bore Range [Min] | 0.75 in |
| Temperature Range [Max] | 225 °F |
| Misalignment Range | ±1 1/2° |
| Set Screw Torque | 680 in lb |
| Collar O.D. | 3 9/16 in |
| Weight | 16.4 LB |
| EAN or UPC | 698210173302 |
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![Prop 65]()
Prop 65
