Super Precision Angular Contact bearings are designed for rigid, high speed, high tolerance applications. Spindle bearings used in pairs in a 'back to back' or 'face to face' arrangemet can support axial forces on both directions and moments. Bearings in a tandem arrangement can only support axial loads in one direction. Spindle bearings are available with a 15 degree or 25 degreee contact angle. Various cage options are available as well as the use of ceramic balls which allow for higher speed, lower friction and heat generation and a longer operating life. Available bore dimension range 10mm to 240mm. Super Precision also available in Radial Ball Bearings.
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Item #

(d) Bore Diameter

(D) Outer Diameter

(B) Width

(Grease) Speed Limit

(Oil) Speed Limit

Basic Radial Load

Ball Number

N/A 140 mm N/A 210 mm N/A 33 mm N/A 4200 min-1 N/A 6500 min-1 N/A 22200 N/A 22
N/A 150 mm N/A 225 mm N/A 35 mm N/A 3900 min-1 N/A 6000 min-1 N/A 25000 N/A 21
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