ENDURO MR18307 18x30x7 ABEC 3
ABEC 3 precision bearings with Grade 10 steel balls and cryogenically treated chromium steel races with R-64 hardness.
ABEC 3 precision bearings with Grade 10 steel balls and cryogenically treated chromium steel races with R-64 hardness.
. Grade 10 Steel Balls
. Cryogenically treated chromium steel races
. R-64 hardness.