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Action Bearing Company
201 Brighton Avenue
Boston, MA 02134
Phone: (800) 225-4587 • Fax: (800) 252-1996
Email: info@actionbearing.com
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Ideal for construction and material handling industries, both the 52100 steel ball and alloy steel races in the FKS/FKST series are heat treated for additional wear resistance. The ball is chrome plated for increased hardness, wear, and corrosion resistance, as well as decreased coefficient of friction.

PTFE liners are also available for additional lubrication.

Available Dimensions:

Diameter (B): 0.19 in. to 1 in.

Outer Diameter (D): 0.5625 in. to 1.75 in.

Overall Width (W): 0.281 in. to 1 in.

Width (T): 0.218 in. to 0.797 in.

Diameter (O): 0.293 in. to 1.118 in.

Ball Diameter: 0.406 in. to 1.5 in.

Chamfer (F): 0.015 in. to 0.044 in.

a° Mis. Angle: 8 to 13.5

Ult. Static Radial Load: 5,400 lb to 104,000 lb

Approximate Weight: 0.014 lb to 0.386 lb

FKS/FKS-T dwg
FKS/FKS-T Spherical Bushing
Unit of Measure
Items FKS/FKS-T dwg
FKS3
FKS / FKST Heavy Duty Precision Series Spherical Bushings 		FKS/FKS-T dwg
FKS4
FKS / FKST Heavy Duty Precision Series Spherical Bushings 		FKS/FKS-T dwg
FKS5
FKS / FKST Heavy Duty Precision Series Spherical Bushings 		FKS/FKS-T dwg
FKS6
FKS / FKST Heavy Duty Precision Series Spherical Bushings 		FKS/FKS-T dwg
FKS7
FKS / FKST Heavy Duty Precision Series Spherical Bushings
(B) Diameter N/A .1900 in N/A .2500 in N/A .3125 in N/A .3750 in N/A .4375 in
(D) Outer Diameter N/A .5625 in N/A .6562 in N/A .7500 in N/A .8125 in N/A .9062 in
(W) Overall Width N/A 0.281 in N/A 0.343 in N/A 0.375 in N/A 0.406 in N/A 0.437 in
(T) Width N/A 0.218 in N/A 0.250 in N/A 0.281 in N/A 0.312 in N/A 0.343 in
(O) Diameter N/A .293 in N/A .364 in N/A .419 in N/A .516 in N/A .530 in
Ball Diameter N/A .406 in N/A .500 in N/A .562 in N/A .656 in N/A .687 in
(F) Chamfer N/A .015 in N/A .022 in N/A .032 in N/A .032 in N/A .032 in
a° Mis. Angle N/A 11 N/A 13.5 N/A 12 N/A 10 N/A 8
Ult. Static Radial Load N/A 5,400 lb N/A 8,400 lb N/A 11,600 lb N/A 15,600 lb N/A 22,300 lb
Approx. Weight N/A .014 lb N/A .022 lb N/A .065 lb N/A .038 lb N/A .047 lb
Ball Material N/A 52100 Steel, Heat Treated, Hard Chrome Plated
Race Material N/A Alloy Steel, Heat Treated, Oil Coated