• Rexnord E_ES_ES-R Series Straight Bore Style-Stock Bore (HSB) Hubs size(s) 20 with a 4.00-inch outside barrel diameter for elastomeric couplings.

Technical Specifications

Hub Bore Fit	Clearance
Coupling Type	Elastomeric
Number of Keyways	1
Hub Length (in)	2.06 in
Hub Straight Bore Diameter [Min] (in)	1.75 in
Coupling Size	20
Hub Shoulder Diameter (in)	4.48 in
Hub Straight Bore Diameter [Nom] (in)	1.75 in
Hub Straight Bore Diameter [Max] (in)	1.751 in
Product	Omega Hubs
Keyway Depth (in)	0.1875 in
Hub Style	Standard Bore (HSB)
Hub Material	Steel
Number of Set Screws	1
Series	Hubs
Hub Barrel Outside Diameter (in)	4 in
Keyway Width (in)	0.375 in

General Specifications

UPC	698210006549
Weight	6.09 LB
Packaged Length	9.00 IN
Packaged Width	6.00 IN
Packaged Height	9.00 IN
Country of Origin	United States of America