• 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

Keyway Width (in)	0.5 in
Number of Keyways	1
Coupling Size	20
Hub Straight Bore Diameter [Nom] (in)	1.875 in
Hub Straight Bore Diameter [Min] (in)	1.875 in
Hub Shoulder Diameter (in)	4.48 in
Product	Omega Hubs
Hub Bore Fit	Clearance
Hub Material	Steel
Hub Barrel Outside Diameter (in)	4 in
Series	Hubs
Hub Straight Bore Diameter [Max] (in)	1.876 in
Number of Set Screws	1
Hub Length (in)	2.06 in
Hub Style	Standard Bore (HSB)
Coupling Type	Elastomeric
Keyway Depth (in)	0.25 in

General Specifications

UPC	698210006556
Weight	5.91 LB
Packaged Length	9.00 IN
Packaged Width	6.00 IN
Packaged Height	9.00 IN
HTC	8483908010
Country of Origin	China