description service part, 3/4 inch square cross bar proper bearing installation is essential to safeguard maximum bearing life. maintenance experts estimate that 27% of bearing failures can be attributed to improper installation and mounting errors. a bearing that is only a few thousandths of an inch out of alignment can have its lifespan cut in half. by heating the inner race to ~250°f prior to installation, the user allows the bearing to expand and slide easily onto the shaft. magnetic induction is a safe and efficient method of generating heat to expand bearings for installation. no open flame or hot oil to worry about. magnetic induction heats bearings evenly & quicker than hot plates. california proposition 65 warning. features optional extra cross bar for model "bc" bearing heaters fits all "bc" model bearing heaters reduces risk to operator from flames, torches or oil baths optional, extra 3/4 in. square cross bar specifications acme tools brand name bessey acme tools part number bc 3/4 assembled weight (lbs) 1.95 brand / model compatibility bessey?, bc 440v and bc 550v california proposition 65 warning required no country of origin united states globaltradeitemnumber (gtin) 00788502160551 height (in) 0.75 internal supplier part # bc 3/4 internet product code (ipc) 4bd5edc776c length (in) 14.75 manufacturer warranty limited lifetime material laminated steel package depth 14.75 package height 0.75 package weight 6.2 package weight (lbs) 6.2 upc 788502160551 weight (lbs) 2.0 width (in) 0.75