Aurora Bearing Company
Aurora Bearing Company
901 Aucutt Rd.
Montgomery, IL 60538
Phone: 630.859.2030 • Fax: 630.859.0971
Email: customersupport@aurorabearing.com • Website: www.aurorabearing.com
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  • Body - 17-4 PH stainless steel per AMS 5342, heat treated.
  • Ball - 440C stainless steel per AMS 5630, heat treated, hard chrome plated.
  • Bushing – 17-4 PH stainless steel, heat treated, PTFE lined.
  • Studded configuration available upon request. Specify by adding suffix "S". Ex.: CM-8ETS.
CM-ET & CB-ET Image
CM-ET & CB-ET Dimensional Drawing
Unit of Measure
1 

Item #

Thread Type

B - Ball Bore

W - Ball Width

A - Base to Center

D - Head Diameter

Thread Size

Ultimate Radial Static Load Capacity

CM-5ET N/A Right Hand N/A .3125 in N/A .437 in N/A 1.875 in N/A .875 in N/A 5/16-24 N/A 6,451 lbs
CB-5ET N/A Left Hand N/A .3125 in N/A .437 in N/A 1.875 in N/A .875 in N/A 5/16-24 N/A 6,451 lbs
CM-6ET N/A Right Hand N/A .3750 in N/A .500 in N/A 1.938 in N/A 1.000 in N/A 3/8-24 N/A 8,627 lbs
CB-6ET N/A Left Hand N/A .3750 in N/A .500 in N/A 1.938 in N/A 1.000 in N/A 3/8-24 N/A 8,627 lbs
CM-7ET N/A Right Hand N/A .4375 in N/A .562 in N/A 2.125 in N/A 1.125 in N/A 7/16-20 N/A 9,370 lbs
CB-7ET N/A Left Hand N/A .4375 in N/A .562 in N/A 2.125 in N/A 1.125 in N/A 7/16-20 N/A 9,370 lbs
CM-8ET N/A Right Hand N/A .5000 in N/A .625 in N/A 2.438 in N/A 1.312 in N/A 1/2-20 N/A 15,130 lbs
CB-8ET N/A Left Hand N/A .5000 in N/A .625 in N/A 2.438 in N/A 1.312 in N/A 1/2-20 N/A 15,130 lbs
CM-10ET N/A Right Hand N/A .6250 in N/A .750 in N/A 2.625 in N/A 1.500 in N/A 5/8-18 N/A 16,922 lbs
CB-10ET N/A Left Hand N/A .6250 in N/A .750 in N/A 2.625 in N/A 1.500 in N/A 5/8-18 N/A 16,922 lbs
CM-12ET N/A Right Hand N/A .7500 in N/A .875 in N/A 2.875 in N/A 1.750 in N/A 3/4-16 N/A 25,549 lbs
CB-12ET N/A Left Hand N/A .7500 in N/A .875 in N/A 2.875 in N/A 1.750 in N/A 3/4-16 N/A 25,549 lbs
Unit of Measure
1