Angular-contact bearing NAS-659, NAS-660

rubbercorrosion-resistantself-aligning

• NAS-659 series(1) • Self-aligning • 3-way balanced design brings shank strength, bolt strength and bearing capacity all in balance • “Pressurized” shanks are designed to withstand column action under compression with angularity as high as 9° • Exposed surfaces except bore, cap, and seals are cadmium plated • Keyway in shank is designed in accordance with NAS-513 standards for use with NAS-509 drilled jam nuts and either NAS-513 rod end locking washers or NAS-559 rod end key type locks • Permissible misalignment is 10° in either direction (total 20°) • Ultimate shank tensile strength is 125,000 to 180,000 psi • Equipped with molded rubber seals when specified • NAS-660 series(1) • Self-aligning • 3-way balanced design brings shank strength, bolt strength and bearing capacity all in balance • “Pressurized” shanks are designed to withstand column action under compression with angularity as high as 9° • Permissible misalignment is 10° in either direction (total 20°) • Ultimate shank tensile strength is 125,000 to 180,000 psi • Equipped with molded rubber seals when specified • Exposed surfaces except bore, cap, and seals are cadmium plated • Prepacked with lubricant conforming to MIL-PRF-23827