Inquiry (采购产品): Stem casters The wheel on the caster is 49MM OD The bore of caster is 6MM The width of the caster is 22MM The total stem length is 4 13/16" or 123.5MM The OD of the stem is 14mm at the base with a length of 45MM long before it turns into 5/16" diameter which is 3 3/32" long with a 5/16-18 thread on the end with an acorn nut on the end. The spring is 2.750" long with an OD of .534", the ID needs to fit the stem. We have to have a non-marking caster, the casters that came with the units we have are marking our floors. I need to purchase 20 stem casters. **** Hidden Message ***** RON CROSBY 50 otis street Westborough, MA 01581 USA Company: ASTRAZENECA LP Title: mro stores Phone: 508-836-8421 Fax: 508-836-8581 E-mail: ronald.crosby@astrazeneca.com **** Hidden Message ***** ronald.crosby@astrazeneca.com