Kerk Motion Products, Inc.

Spline Shafts are suited for light load applications.
Mechanical Power Transmission

Spline Shafts are suited for light load applications.

Designed for applications that require minimal friction, aluminum Spline Shaft series is treated with proprietary TFE coating and coupled with graphite and PTFE-filled thermoplastic bushing. Products are available with any combination of basic or anti-backlash bushing; plain or thread mount bushing; and Â-¼, 3/8, or ½ in. dia shaft. Standard lengths are offered to 24 in., and hollow...

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Lead-Screw Slide provides speeds over 60 ips.
Laboratory and Research Supplies and Equipment

Lead-Screw Slide provides speeds over 60 ips.

RGS® Rapid Guide Screw, with precision, aluminum guide and wear-compensating, anti-backlash carriage, is driven by a precision-rolled stainless steel lead screw. Moving surfaces include Kerkite® polymers on Kerkote® TFE coating. Integral mounting base allows support over entire length of slide. Additional driven or passive carriages are available with application-specific...

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Actuator Assemblies have TFE coating.
Mechanical Components and Assemblies

Actuator Assemblies have TFE coating.

Lead screw, linear rail, spline shaft, and ScrewRail(TM) actuator assemblies are available with Kerkote(TM) TFE coating, which reduces friction and extends life of maintenance-free assemblies. Coating decreases erratic drag torques and unpredictable wear and provides maximum level of self-lubrication. Dry lubricant will not become paste-like and attract dirt or debris. Assemblies are suited for...

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Steel Spline Shafts eliminate need for external lubrication.
Mechanical Power Transmission

Steel Spline Shafts eliminate need for external lubrication.

Surface-hardened steel spline shafts are treated with low-friction TFE coating. Graphite- and PTFE-filled thermoplastic bushing, manufactured with integral brass collar, facilitates mounting without nut distortion. Offered in standard lengths to 24 in., assemblies are available with basic or anti-backlash bushing; plain or thread mount bushing; and Â-¼, 3/8, ½, or ¾ in. dia...

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Linear Rail System suits light-load applications.
Material Handling & Storage

Linear Rail System suits light-load applications.

Extended-wear Series LR consists of centerless, ground and burnished, stainless steel shaft, mated with graphite- and PTFE-filled thermoplastic bushing, formulated so thermal fluctuations have minimal effect on performance. Standard shaft straightness is .002 in./ft. Typical radial clearance between shaft and bushing is .0005 in. on non-coated assemblies and .001 in. on TFE-coated assemblies....

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Lead Screws handle demanding miniature applications.
Mechanical Components and Assemblies

Lead Screws handle demanding miniature applications.

Comprised of small diameter, precision-rolled, non-ball lead screw assemblies, Mini Series lasts hundreds of millions of inches of travel without requiring external lubrication, maintenance, or adjustment. Units are made of 303 stainless steel with TFE coating. Standard diameters are as small as .125 in. Designed to run smoothly on precision-rolled screws, maintenance-free nuts are made with...

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Non-Ball Lead Screws provide quiet operation.
Mechanical Components and Assemblies

Non-Ball Lead Screws provide quiet operation.

For vertical operation, Non-Ball Lead Screws can be designed to self-lock and prevent back driving, without external brake. They utilize sliding friction between nut and screw to convert rotary input motion to linear output motion. Screws do not need to be hardened, and coating eliminates need for external lubrication. Made from 303 stainless steel, screws range from 1/8 to 15/16 in. diameter,...

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Lead Screw Assembly handles dynamic loads up to 200 lbs.
Mechanical Components and Assemblies

Lead Screw Assembly handles dynamic loads up to 200 lbs.

NTB Series anti-backlash lead screw assembly is offered with flange or thread mounts. Custom nuts can be machined or molded in variety of shapes and sizes, from miniature nuts less than 3/8 in. dia to multi-function molded components with integrated nut. Manufactured with self-lubricating acetal, nut is designed to run on precision rolled shafting. Screws are 303 stainless and are available with...

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Spline Shafts handle light linear loads.
Mechanical Power Transmission

Spline Shafts handle light linear loads.

Lightweight aluminum spline shafts are suitable for applications that require rotary drive or linear guide. Shafts are treated with low-friction TFE coating and coupled with graphite and PTFE-filled thermoplastic bushing. Coating eliminates need for external lubrication and maintenance. Units are available with basic or anti-backlash bushing; plain or thread mount bushing; and 1/4, 3/8, or 1/2...

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