Since the CRB use information supplied by such lay enforcing agencies as the police, any records they have will show up on the check. This can be anything from a few months to even 10 years, depending on the severity of the crime.
Lenders check your credit by reviewing your credit reports from the Experian, TransUnion and Equifax credit bureaus. Their review goes back as far as the dates of the information on those reports. Reporting time frames vary, depending on the specific www.ehow.com