• 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 Material	Steel
Number of Set Screws	1
Keyway Depth (in)	0.1875 in
Hub Length (in)	2.06 in
Hub Straight Bore Diameter [Nom] (in)	1.6875 in
Hub Barrel Outside Diameter (in)	4 in
Series	Hubs
Hub Bore Fit	Clearance
Number of Keyways	1
Hub Straight Bore Diameter [Max] (in)	1.6885 in
Keyway Width (in)	0.375 in
Product	Omega Hubs
Hub Straight Bore Diameter [Min] (in)	1.6875 in
Coupling Type	Elastomeric
Coupling Size	20
Hub Shoulder Diameter (in)	4.48 in
Hub Style	Standard Bore (HSB)

General Specifications

UPC	698210880699
Weight	5.33 LB
Packaged Length	9.00 IN
Packaged Width	6.00 IN
Packaged Height	9.00 IN
HTC	8483908010
Country of Origin	China