וּמַֽעֲשֵׂה֙ הָא֣וֹפַנִּ֔ים כְּמַעֲשֵׂ֖ה אוֹפַ֣ן הַמֶּרְכָּבָ֑ה יְדוֹתָ֣ם וְגַבֵּיהֶ֗ם וְחִשֻּׁקֵיהֶ֛ם וְחִשֻּׁרֵיהֶ֖ם הַכֹּ֥ל מוּצָֽק׃
And the work of the wheels was like the work of a chariot wheel; their axletrees, and their felloes, and their spokes, and their naves, were all molten.
Rashi on I Kings
Like the work of a chariot wheel. [Targum] Yonoson rendered, “as the work of the wheels of a chariot,” a wheel within a wheel crosswise, as it is stated in Yechezkeil in [reference to] the “Heavenly Chariot.”52Yechezkeil 1:16.
Rashi on I Kings
Their hubs. Bojjols in O.F., they are the holes [for the axles].