LILY
F4-9M Thrust Ball Bearings, 4x9x4mm Ultra-Miniature Flat Thrust Bearing, 3-Part High Axial Load Chrome Steel for Nano RC, Micro Motors and Optics, 10-Pack
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R 702
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Delivered in 10–20 working days —
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Description
- [Exact 4x9x4mm Ultra-Micro Profile] Model: F4-9M. Exact dimensions: 4mm Inner Diameter (Bore), 9mm Outer Diameter, and 4mm Total Thickness. Designed specifically for ultra-tight micro-mechanisms requiring robust support along a tiny 4mm shaft axis
- [3-Part Separable Assembly] Features a classic 3-piece "sandwich" design consisting of a shaft washer (tight fit), a housing washer (loose fit), and a ball-and-cage thrust assembly. This separable design allows for incredibly precise mounting in the most confined spaces
- [Dedicated Axial Load Capacity] CRITICAL NOTE: Thrust ball bearings are engineered to handle high axial (thrust) loads in one direction ONLY. They must not be subjected to any radial loads. Perfect for eliminating axial play in nano brushless motors or supporting miniature optics
- [Premium GCr15 Chrome Steel] Both the grooved washers and the micro-precision balls are forged from ultra-clean chrome steel. This ensures superior hardness, uniform load distribution, and high wear resistance compared to standard carbon steel alternatives
- [The Ultimate Nano-Maker Kit] This high-value 10-pack is an absolute essential for precision engineers and hobbyists. Ideal for upgrading nano RC helicopters, micro gimbals, optical focusing mechanisms, and miniature watch winders
Technical Specifications
Manufacturer
LILY
Size
F4-9M 9x4x4mm
Height
0.4 cm
Length
0.9 cm
Width
0.4 cm
Weight
0.01 kg
Shipping & Delivery
Your order is shipped from the USA and delivered to your door in South Africa in 10–20 working days. All items are fully tracked.
Returns & Exchanges
We offer a 30-day return window. If something isn't right, contact our support team and we'll make it right.
