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Stemless Casters

Finding a caster to fit the built-in stem on your chair
Does your chair have the caster stems welded or built-in? Now one of the casters has broken and need replaced. Finding a replacement caster to fit the stem may be difficult. The caster-end of the stem can differ significantly from one model to the next and from one manufacturer to the next.
First: Try contacting the furniture dealer or the manufacturer to see if they can provide a replacement caster. Otherwise: Obtain accurate measurements of the stem (the portion that would fit into the caster). Calipers are best to get accurate measurements of each dimension and are available at most hardware stores for around $10.
Compare your dimenions to those in the table. Follow the link of the stem that is closest to yours to see what stemless casters have the best chance of fitting your stem.


Comparison caster stems Caster stemStem NA05 Caster stemStem NA01 Caster stemStem NA02
Caster stemStem NA03 Caster stemStem NA04 Caster stemStem NA06 Caster stemStem NA07


Stemless Caster Choices: Using the graphic above for reference, measure the dimensions of your built-in stem and select the best match by clicking the link in the column heading for the stemless casters with the best chance of fitting your stem.

Feature Stem NA05 Stem NA01 Stem NA02 Stem NA03 Stem NA04 Stem NA06 Stem NA07
Shaft Diameter (Dimension A in diagram) 1/4" 5/16" 3/8" 3/8" 7/16" 7/16" 7/16"
Total Length (Dim F) 1" 1-1/4" 1-3/4" 1-1/8" 1-5/8" 2-1/8" 2-3/4"

 

Still need help? Email your stem dimensions to customer.service@apollocaster.com. Make sure to include your name and contact information. We'll try to reply within 24 hours.

Installing Your New Stemless Casters
The stemless caster will need to be completely seated on the stem to operate correctly: retained yet swiveling freely. With the stem built into the chair, the caster must be tapped to seat it onto the stem. This must be done carefully so as not to harm the caster. For a twin-wheel caster place a small board, 3/8" or 1/2" thick, between the wheels against the base of the caster. Firmly tap the wood, forcing the caster fully onto the stem. For a ball caster, use a rubber mallet or some material to protect the caster.

Stemless Casters Disclaimer
Finding stemless casters to fit your built-in stems takes careful measurement and a certain amount of luck. Even with Apollo Caster's telephone support, we cannot do the measuring and cannot guarantee that the measurements provided to us are correct. As a result, shipping costs for any and all returns associated with stemless casters are paid by the customer. Thank you for understanding.

 

 

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