• Rexnord E_ES_ES-R Series Straight Bore Style-Stock Bore (HSB) Hubs size(s) 40 with a 5.75-inch outside barrel diameter for elastomeric couplings.

Technical Specifications

Coupling Type	Elastomeric
Hub Barrel Outside Diameter (in)	5.75 in
Hub Straight Bore Diameter [Nom] (in)	2.125 in
Number of Set Screws	1
Series	Hubs
Hub Length (in)	2.5 in
Keyway Width (in)	0.5 in
Hub Shoulder Diameter (in)	6.63 in
Number of Keyways	1
Hub Straight Bore Diameter [Min] (in)	2.125 in
Coupling Size	40
Hub Material	Steel
Product	Omega Hubs
Keyway Depth (in)	0.25 in
Hub Bore Fit	Clearance
Hub Straight Bore Diameter [Max] (in)	2.1265 in
Hub Style	Standard Bore (HSB)

General Specifications

UPC	698210006730
Weight	16.60 LB
Packaged Length	9.00 IN
Packaged Width	6.00 IN
Packaged Height	9.00 IN
HTC	8483908010
Country of Origin	China