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| | | | | | | | | | | | | | | | | | | | | | | | | | mm: BEARINGS Rod End Grades_ Heim rod ends are offered in four grades: precision, commercial, aircraft, and military. Precision rod ends are manufactured to tight tolerances for applications requiring improved linkage accuracy and reduced looseness. Commercial rod ends are produced using standard materials and manufacturing methods, and are an economical choice for industrial applications. Aircraft rod ends use premium materials, and have magnafluxed rod end bodies. Originally intended for aircraft applications, aircraft rod ends are used in many industrial applications where a high degree of reliability is required. Military rod ends are produced in strict accordance with all applicable military specifications and are typically used in military and commercial aviation applications, or when Mil-Spec approval is required. | | | | | | | | | | | H | eim rod ends and spherical plain bearings are intended for linkage applications where a bearing must accommodate significant misalignment. While spherical plain bearings offer flexibility in housing and mounting design, the user bears the responsibility for housing design and the cost of housing manufacture. Rod ends offer greater mounting convenience and provide a compact, lightweight, economical design alternative to the spherical plain bearing. Heim Bearings Company offers the industry's widest selection of rod end types and sizes. Rod End Construction_ Heim offers three basic rod end constructions. The four piece rod end uses race inserts, typically of brass, to provide lubricity in the bearing area. This design offers reduced internal clearance, and provides smoother operation. It is ideal for dynamic applications. The two piece rod end uses a rod end body which is formed around a spherical ball. The comparatively heavy cross section of the rod end body in the two piece design provides high strength. This makes the two piece rod end ideal for highly loaded, static applications where high strength is required. The cartridge type rod end consists of a spherical plain bearing mounted in a rod end body. This design allows the optimum selection of materials for ball, race and rod end body. The cartridge type rod end can also accommodate a PTFE liner for self-lubrication. This design is best suited for aircraft and military applications where material selection is a primary design consideration. Self-lubricating Rods Ends Heim produces metal-to-metal rod ends and self-lubricating rod ends. All metal-to-metal rod ends, including brass insert four piece types, require regular lubrication. This can be accomplished by splash or immersion oil lubrication, or by greasing through optional lubricators (grease fittings). Self-lubricating types are used where relubrication is not practical, or in applications where relubrication is not desirable, such as on food processing machinery or in clean environments. Heim self-lubricating rods ends are available with bonded PTFE fabric liners, or with molded, engineered thermoplastic race inserts. | | | | | | inserts for lubricity and clearance control. They are produced to tight tolerances for applications requiring a more precise rod end; for example, a linkage where positioning accuracy is essential. These rod end bodies and balls are plated for corrosion resistance. Series BHM, HFX G and HMX G four piece precision extra capacity rod ends are the high strength series intended for more heavily loaded, static and dynamic industrial applications. These rod ends have heat treated bodies for increased strength and aluminum bronze race inserts for high bearing capacity. The rod end bodies are protective coated for corrosion resistance and the balls are chrome plated for superior wear and corrosion resistance. Series BHM (male) and series HFX G (female) have common thread sizes. Series HMX G (male) have oversized shanks for additional shank strength. • Series HM and HF: pages 4-5 • Series BHM, HFX G and HMX G: pages 6-7 | | | | | | | | | | Si | | | | | | | | | | | | | | Precision Rod Ends Grade HM and HF four piece precision rod ends use brass race | | | | | | | | | | | | | | L® ROD ENDS | | | | | | | | | | | | | | | | | | | | | | | | | | Series Size Range | Product Features | Customer Benefits | Common Applications | | | | HM, HF 3/16" to 1" | Precision Grade Brass Inserts Four Piece Construction | Low Friction, Long Dynamic Life, Smooth Feel, Good Conformity | Control Linkages, For Reduced Play, Accelerator Linkages | | | | BHM, HFX G, HMX G 1/4" to 3/4" | Precision Grade Aluminum Bronze Inserts, High Strength Body, Four Piece Construction | High Capacity Version | Heavy Duty Applications | | | | HM C, HF C 3/16" to 3/4" | Commercial Grade Brass Inserts Four Piece | Low Friction, Long Dynamic Life, Smooth Feel, Good Conformity | | | | | M CR, F CR 3/16" to 3/4" | Construction Commercial Grade Two Piece Construction | High Loads, Reversing Loads, Shock Loads, Cost Effective | Brake and Clutch Pedals For Heavy Machinery, Satellite Dish Controls | | | | CMHD, CFHD 3/16" to 3/4" | Commercial Grade Self Lubricating Thermoplastic Race, Maximum Temperature 125 F | Maintenance Free | Food Processing, Paper Machinery, Bus Door Closures | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
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