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Emerson Bearing Company
201 Brighton Avenue
Boston, MA 02134
Phone: (800) 225-4587 • Fax: (800) 252-1996
Email: info@emersonbearing.com
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Control bearings are used to control rod ends and are used in a range of applications from packaging and food processing to aerospace industry use.

We supply our control ball bearings that permit heavy radial loads in a design that is compact. 

Our KP Series control ball bearings are single row, heavy duty radial type bearings and are available in either a sealed or open designs.  Certain styles of KP series bearings feature cadmium plating on the external surfaces, excluding the bore.

We have the control bearings that you need to meet even the most demanding applications, demonstrated by our range of bore diameters and support for varied radial and thrust loads. 

Our KP series control ball bearings are rated for general commercial applications but are not to be used in airframes.

With over 50 years in the bearing industry, our  experts can readily assist you in selecting a control ball bearing that is right for you.

Emerson Bearing functions with a 25,000 square foot warehouse containing a vast stock of bearings for every imaginable application.  Our highly trained experts will assist you with all your needs and, if we don’t have an item in stock, we will find it for you.

In addition to our range of bearing products we can offer bearing modifications such as grooving, relubrication and internal clearance.  View our Line Card to see the scope of the items we offer, including shaft collars, adhesives and couplings.

To discover more about us, contact us today. Our team of bearing experts is ready to assist you, no matter the application or need.

KP-A, KP Control Bearings
Unit of Measure
Items KP-A, KP Control Bearings
KP3LX
KP Series Control Ball Bearings
KP-A, KP Control Bearings
KP 3X
KP Series Control Ball Bearings
KP-A, KP Control Bearings
KP 4X
KP Series Control Ball Bearings
KP-A, KP Control Bearings
KP 5X
KP Series Control Ball Bearings
KP-A, KP Control Bearings
KP 6X
KP Series Control Ball Bearings
(d) Bore Diameter N/A 0.1900 in N/A 0.1900 in N/A 0.2500 in N/A 0.3125 in N/A 0.3750 in
(D) Outer Diameter N/A 0.6250 in N/A .7774 in N/A .9014 in N/A 1.2500 in N/A 1.4375 in
(Bi) Width N/A .245 in N/A .297 in N/A .484 in N/A .558 in N/A .620 in
(Bo) Width N/A .203 in N/A .270 in N/A .335 in N/A .375 in N/A .469 in
(r1) Minimum Chamfer N/A 0.005 in N/A 0.005 in N/A 0.005 in N/A 0.015 in N/A 0.015 in
(r2) Minimum Chamfer N/A 0.01 in N/A 0.022 in N/A 0.032 in N/A 0.032 in N/A 0.032 in
Ball Number N/A 10 N/A 12 N/A 11 N/A 9 N/A 10
Ball Size N/A 1-8 in N/A 1-8 in N/A 5-32 in N/A 1-4 in N/A 9-32 in
Radial Load N/A 1560 lbf N/A 1880 lbf N/A 2680 lbf N/A 5620 lbf N/A 7910 lbf
Thrust Load N/A 700 lbf N/A 900 lbf N/A 1200 lbf N/A 2500 lbf N/A 3500 lbf
Seal Type N/A Open Teflon Seal