John Crane presented Oakton Community College with a check symbolizing the more than $320,000 the company has donated to the college since 1982 in conjunction with a celebration of the company’s 100th anniversary on Feb. 28. John Crane, a provider of engineered products and services including mechanical seals, couplings, hydro-dynamic bearings and seal support systems, presented the check during a special presentation at its Morton Grove location, 6400 Oakton Street.