• 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 Shoulder Diameter (in)	4.48 in
Coupling Size	20
Series	Hubs
Hub Material	Steel
Product	Omega Hubs
Hub Straight Bore Diameter [Min] (in)	2.375 in
Number of Set Screws	1
Keyway Width (in)	0.625 in
Hub Style	Standard Bore (HSB)
Coupling Type	Elastomeric
Hub Straight Bore Diameter [Max] (in)	2.3765 in
Hub Barrel Outside Diameter (in)	4 in
Hub Bore Fit	Clearance
Keyway Depth (in)	0.3125 in
Hub Straight Bore Diameter [Nom] (in)	2.375 in
Hub Length (in)	2.06 in
Number of Keyways	1

General Specifications

UPC	698210006594
Weight	5.05 LB
Packaged Length	9.00 IN
Packaged Width	6.00 IN
Packaged Height	9.00 IN
HTC	8483908010
Country of Origin	China