• 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 Depth (in)	0.25 in
Coupling Size	20
Hub Bore Fit	Clearance
Hub Barrel Outside Diameter (in)	4 in
Hub Length (in)	2.06 in
Hub Style	Standard Bore (HSB)
Hub Material	Steel
Hub Straight Bore Diameter [Min] (in)	2.125 in
Keyway Width (in)	0.5 in
Series	Hubs
Hub Straight Bore Diameter [Max] (in)	2.1265 in
Hub Straight Bore Diameter [Nom] (in)	2.125 in
Hub Shoulder Diameter (in)	4.48 in
Product	Omega Hubs
Number of Set Screws	1
Coupling Type	Elastomeric
Number of Keyways	1

General Specifications

UPC	698210006570
Weight	5.51 LB
Packaged Length	9.00 IN
Packaged Width	6.00 IN
Packaged Height	9.00 IN
HTC	8483908010
Country of Origin	China