Rexnord 91040903 QL-0004471 COUPLING - ELASTOMERIC - OMEGA VIVA E3-HRB Matched Hub/Sleeve Assembly No Hub-2 Bore Finish 125 Ra Microinch max (3.2 µm) Element Material Standard Hub-2 Keyway Finish 250 Ra Microinch max (6.3 µm) Legacy Falk Bore Tol. - Hub 1 No Hub-1 Bore Finish 125 Ra Microinch max (3.2 µm) Hub-1 Puller Hole Dimension Metric Legacy Falk Bore Tol. - Hub 2 No Hub-1 Bore Type Rough Bore (To Rex Standard) Hub-2 Bore Diameter Min Metric Hub-1 Keyway Type Square Key Hub-1 Orientation Hub Facing Outward Extended Storage Packaging No Hub-2 Keyway Type Square Key Hub-1 Bore Fit/Tolerance Clearance Hub-2 Orientation Hub Facing Outward Hub-1 Keyway Finish 250 Ra Microinch max (6.3 µm) Hub-2 Quantity of Setscrews One setscrew Hub-2 Nominal Bore/Shaft Metri Hub-2 Key Fit AGMA Commercial (Inch) Hub-1 Quantity of Keyways 1 Keyway Hub-2 Keyway Radii 0.000000 Hub-1 Keyway Radii 0.000000 Coupling / Components Required Hub-1 (Hub) Only - No Oth Prts Hub-1 Quantity of Setscrews One setscrew Hub-2 Puller Hole Dimension Metric Product Type Omega Close Coupled Inch Hub-2 Nominal Bore/Shaft Inch Hub-1 Nominal Bore/Shaft Metri Hub-2 Bore Diameter Min Inch Coatings None (Standard) Hub-2 Quantity of Keyways 1 Keyway Hub-1 Dimension Designation Inch (Imperial) Torsionally Matched Element No Hub-2 Bore Fit/Tolerance Clearance Hub-1 Puller Hole None Hub-2 Dimension Designation Inch (Imperial) Hub-2 Keyway Size Keyway Standard Hub-1 Keyway Size Keyway Standard High Speed Rings Required No Quantity of Sleeve Extensions None Hub Material Carbon Steel Hub-1 Nominal Bore/Shaft Inch Hub1 Spec Set Screw TC08-022 Hub-2 Puller Hole None Hub-1 Key Fit AGMA Commercial (Inch) Hub-2 Setscrew Dimension Inch (Imperial) Product Size 3 Hub-1 Setscrew Dimension Inch (Imperial) API-610 Hubs No. If required, contact Engin Hub2 Spec Set Screw TC08-022 Hub-1 Bore Diameter Min Inch Hub-1 Bore Diameter Min Metric Capscrew Material Carbon Steel VC Country of Origin China