K50 Style With and Without Offset (Locator) / K521F-61

Bottom Outside Diameter (A)	3.25 in
Top Outside Diameter (B)	2.40 in
Mounting Hole Diameter (C)	N/A in
Inside Diameter (D)	.625 in
Height (E)	1.40 in
Step (F)	N/A in
Compression Spring Rate	4200 lb/in
Compression Maximum Recommended Deflection	.21 in
Compression Load at Maximum Deflection	880 lb
Durometer	60
Elastomer	Natural Rubber
Dimensional CAD Drawing (pdf)	PDF
Additional Product Information	K521, K521F & K521X Deflection Graph18.jpg