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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This series features a molded race compound designed to provide low friction, low moisture absorbing properties.
  • Body - Low carbon steel, protective coated for corrosion resistance.
  • Ball - Alloy steel, heat treated, hard chrome plated.
  • Race - Molded, self-lubricating, reinforced Nylon.
  • Studded configuration available upon request. Specify by adding suffix "S". Ex.: SPW-8S.
SPW & SPG Image
SPW & SPG Dimensional Drawing
Unit of Measure
1 

Item #

Thread Type

B - Ball Bore

W - Ball Width

H - Head Width

A - Base to Center

D - Head Diameter

C - Thread Depth [inch]

Thread Size

Ultimate Radial Static Load Capacity

SPW-3 N/A Right Hand N/A .1900 in N/A .312 in N/A .250 in N/A 1.062 in N/A .625 in N/A .562 in N/A 10-32 N/A 1,210 lbs
SPG-3 N/A Left Hand N/A .1900 in N/A .312 in N/A .250 in N/A 1.062 in N/A .625 in N/A .562 in N/A 10-32 N/A 1,210 lbs
SPW-4 N/A Right Hand N/A .2500 in N/A .375 in N/A .281 in N/A 1.312 in N/A .750 in N/A .750 in N/A 1/4-28 N/A 2,470 lbs
SPG-4 N/A Left Hand N/A .2500 in N/A .375 in N/A .281 in N/A 1.312 in N/A .750 in N/A .750 in N/A 1/4-28 N/A 2,470 lbs
SPW-5 N/A Right Hand N/A .3125 in N/A .437 in N/A .344 in N/A 1.375 in N/A .875 in N/A .750 in N/A 5/16-24 N/A 2,740 lbs
SPG-5 N/A Left Hand N/A .3125 in N/A .437 in N/A .344 in N/A 1.375 in N/A .875 in N/A .750 in N/A 5/16-24 N/A 2,740 lbs
SPW-6 N/A Right Hand N/A .3750 in N/A .500 in N/A .406 in N/A 1.625 in N/A 1.000 in N/A .937 in N/A 3/8-24 N/A 4,100 lbs
SPG-6 N/A Left Hand N/A .3750 in N/A .500 in N/A .406 in N/A 1.625 in N/A 1.000 in N/A .937 in N/A 3/8-24 N/A 4,100 lbs
SPW-7 N/A Right Hand N/A .4375 in N/A .562 in N/A .437 in N/A 1.812 in N/A 1.125 in N/A 1.062 in N/A 7/16-20 N/A 5,350 lbs
SPG-7 N/A Left Hand N/A .4375 in N/A .562 in N/A .437 in N/A 1.812 in N/A 1.125 in N/A 1.062 in N/A 7/16-20 N/A 5,350 lbs
SPW-8 N/A Right Hand N/A .5000 in N/A .625 in N/A .500 in N/A 2.125 in N/A 1.312 in N/A 1.187 in N/A 1/2-20 N/A 6,430 lbs
SPG-8 N/A Left Hand N/A .5000 in N/A .625 in N/A .500 in N/A 2.125 in N/A 1.312 in N/A 1.187 in N/A 1/2-20 N/A 6,430 lbs
SPW-10 N/A Right Hand N/A .6250 in N/A .750 in N/A .562 in N/A 2.500 in N/A 1.500 in N/A 1.500 in N/A 5/8-18 N/A 8,300 lbs
SPG-10 N/A Left Hand N/A .6250 in N/A .750 in N/A .562 in N/A 2.500 in N/A 1.500 in N/A 1.500 in N/A 5/8-18 N/A 8,300 lbs
SPW-12 N/A Right Hand N/A .7500 in N/A .875 in N/A .687 in N/A 2.875 in N/A 1.750 in N/A 1.562 in N/A 3/4-16 N/A 10,900 lbs
SPG-12 N/A Left Hand N/A .7500 in N/A .875 in N/A .687 in N/A 2.875 in N/A 1.750 in N/A 1.562 in N/A 3/4-16 N/A 10,900 lbs
Unit of Measure
1