{"product_id":"precision-metal-main-shaft-ball-bearings-set-for-rc-era-c170-apache","title":"Precision Metal Main Shaft Ball Bearings Set for RC ERA C170 Apache","description":"\u003ch1\u003ePrecision Metal Main Shaft Ball Bearings Set for RC ERA C170 Apache\u003c\/h1\u003e\n\u003chr\u003e\n\u003ch2\u003eEliminate Rotor Head Axial Play, Stop High-Frequency Friction Drag, and Prevent Power Loss During High-RPM 3D Stunt Flight\u003c\/h2\u003e\n\u003cp\u003eThe main shaft bearings are the critical contact points that support the spinning drive core, converting raw motor torque into smooth lift while minimizing rotational friction. For a high-performance 1:48 scale military model like the RC ERA C170 Longbow Apache, performing aggressive flips and rolls puts immense radial and axial pressure on these microscopic balls. Over time, crash impacts, dirt infiltration, or grease drying out will cause internal bearing play, leading to an audible metallic grinding noise, erratic swashplate shaking, and excessive battery drain due to motor drag. This factory-original double-shielded bearing set replaces your gritty or seized components immediately, restoring a whisper-quiet drivetrain, maximizing flight times, and ensuring ultra-smooth gyro stabilization readings.  \u003cstrong\u003eShips worldwide.\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eProduct Highlights\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,0,0\"\u003e\u003cb data-path-to-node=\"12,0,0\" data-index-in-node=\"0\"\u003ePremium High-Carbon Chrome Steel:\u003c\/b\u003e Forged from high-grade industrial steel alloy to resist tracking wear, flattening, or deformation under high-G 3D aerobatic maneuvers.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,1,0\"\u003e\u003cb data-path-to-node=\"12,1,0\" data-index-in-node=\"0\"\u003eDouble-Shielded Anti-Dust Metal Seals:\u003c\/b\u003e Equipped with dual-sided steel structural walls to lock in factory lubrication while blocking fine grass clippings, dust, and moisture from destroying the race track.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,2,0\"\u003e\u003cb data-path-to-node=\"12,2,0\" data-index-in-node=\"0\"\u003eUltra-Low Internal Friction Coefficient:\u003c\/b\u003e Engineered to spin with zero rotational resistance, reducing core thermal buildup in your brushless motor and smoothing out cyclic controls.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,3,0\"\u003e\u003cb data-path-to-node=\"12,3,0\" data-index-in-node=\"0\"\u003ePerfect Millimeter Dimensional Consistency:\u003c\/b\u003e Machined to exact factory specifications for a seamless press-fit into the internal chassis bearing pockets without inducing slop or binding.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eFor the \u003cstrong\u003eRC ERA C170 1:48 Scale Longbow Apache RC Helicopter\u003c\/strong\u003e only.\u003cbr\u003eFull model page (specs \u0026amp; photos):\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.kidstoylover.com\/collections\/rc-era-c184-rc-helicopter-spare-parts-accessories\"\u003ehttps:\/\/www.kidstoylover.com\/collections\/rc-era-c184-rc-helicopter-spare-parts-accessories\u003c\/a\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1 x RC ERA C170 Bearings Set\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eInstall Tips\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"14,0,0\"\u003e\u003cb data-path-to-node=\"14,0,0\" data-index-in-node=\"0\"\u003eExtracting Worn Internal Bearings:\u003c\/b\u003e Disassemble the main rotor head and pull out the center drive shaft; use a small hex driver tool to gently tap the old, gritty bearings outward from their molded seats in the internal chassis main frame.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"14,1,0\"\u003e\u003cb data-path-to-node=\"14,1,0\" data-index-in-node=\"0\"\u003eSeating the Replacement Ball Bearings:\u003c\/b\u003e Wipe the frame bearing pockets clean of old grease residue; press the new silver shielded bearings completely flat and square into the upper and lower chassis housings, applying gentle, even pressure only to the outer metal race to avoid denting the shield.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"14,2,0\"\u003e\u003cb data-path-to-node=\"14,2,0\" data-index-in-node=\"0\"\u003eReinserting the Drive Spindle Axle:\u003c\/b\u003e Slide your straight main shaft down through both installed bearings; it should slide smoothly through the center bores with zero lateral rocking or sticking points.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"14,3,0\"\u003e\u003cb data-path-to-node=\"14,3,0\" data-index-in-node=\"0\"\u003ePre-Flight Friction and Runout Diagnostics:\u003c\/b\u003e Spin the main gear assembly manually before fastening your outer fuselage skin; ensure the entire mechanical stack rotates freely and coasting continuously for a few seconds without catching, securing rock-steady hover stability for your next tactical mission.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eSpare Parts \u0026amp; Accessories\u003c\/h2\u003e\n\u003cp\u003eFind remote control，battery，USB，carcase clips，screwdriversand more in the dedicated parts collection\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.kidstoylover.com\/collections\/rc-era-c170-rc-helicopter-spare-parts-accessories\"\u003ehttps:\/\/www.kidstoylover.com\/collections\/rc-era-c170-rc-helicopter-spare-parts-accessories\u003c\/a\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eSupport \u0026amp; Warranty\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e3-month warranty\u003c\/strong\u003e on manufacturing defects\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eShips worldwide\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Kidstoylover","offers":[{"title":"Default Title","offer_id":43484600369219,"sku":null,"price":51.0,"currency_code":"SAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0549\/8313\/1203\/files\/3webfilehelper.jpg?v=1782980481","url":"https:\/\/www.kidstoylover.com\/he-sa\/products\/precision-metal-main-shaft-ball-bearings-set-for-rc-era-c170-apache","provider":"Kidstoylover","version":"1.0","type":"link"}