Metal shielded steel ball race bearings (as specified on RepRap.org).
Lifetime guarntee: If a bearing fails in normal use in a RepRap I’ll send you a replacement free of charge.
A full Mendel Bearing Kit. 51 of 624ZZ and 2 of 608ZZ. £18.95 for the set. More than 58% discount on the individual bearing prices.
Updated: now includes 3 more 624ZZ, so that you can make a geared extruder.
624ZZ (I.D. = 4mm, O.D. = 13mm, thickness = 5mm). £0.85 each.
608ZZ (I.D. = 8mm, O.D. = 22mm, thickness = 7mm). £0.95 each.
For shipping times and costs, see the shipping page.