• Rexnord R10 Series Straight Bore Style-Stock Bore (HSB) Hubs size(s) 30R with a 4.130-inch outside barrel diameter and 2.28-inch length for elastomeric couplings.

Technical Specifications

Hub Style	Standard
Hub Length through Bore (in)	2.28 in
Series	Hubs
Keyway Width (in)	0.5 in
Product	Wrapflex Shaft Hubs
Keyway Depth (in)	0.25 in
Hub Barrel Outside Diameter (in)	4.13 in
Number of Keyways	1
Coupling Size	30R
Hub Bore Fit	Clearance Fit
Coupling Style	Close Coupled
Hub Type	R-Hub
Hub Shoulder Diameter (in)	4.646 in
Number of Set Screws	2
Hub Material	Steel
Coupling Type	Elastomeric
Hub Set Screw Axial Location (in)	1.25 in
Hub Length (in)	2.953 in
Hub Straight Bore Diameter [Nom] (in)	1.875 in
Keyway Fit	Commercial

General Specifications

UPC	782934151811
Weight	4.05 LB
Packaged Length	5.00 IN
Packaged Width	5.00 IN
Packaged Height	3.00 IN
Country of Origin	China