caster dihui heavy duty caster wheels for trolley

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Chrome GCR15 roller bearing needle roller

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  http://www.dihuibearing.com/good/37.html Description Shandong Dihui mainly produce cylindrical roller with the main material chrome GCR15. They have high precision, good surface smoothness,  standard hardness and excellent wear-resisting performance. Our products are being widely exported to Europe, USA, Japan, South Korea, Middle Asia and Southeast Asia. Parameter Material Chemical composition(%) C Si Mn Cr Mo P S Ni Cu GCr15 0.95 to 1.05 0.15 to 0.35 0.25 to 0.45 1.40 to 1.65 ≤ 0.1 ≤ 0.025 ≤ 0.02 ≤ 0.25 ≤ 0.25 Country China USA Germany Russia Japan   Material Standard GB/T18254-2016  ASTM A295/A295M - 2014 ISO683-17-2014 GOST 801-1978 JIS G4805-2019   Material GCr15 52100 100Cr6 (1.3505) Ш X15 SUJ2   Production Capacity *Type: NRA/NRB *Range ： --Dia: 1mm-6mm. --Length: 5.8mm-39.8mm. *Grade ： DIN 5402-2: G2/G5 ,   GB/T 309:G2/G3/G5. * Profilling: "ZB" Needle roller ,  Straight needle roller  
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Bearing balls steel ball from DIHUI

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Bearing balls are special highly spherical and smooth balls, most commonly used in ball bearings, but also used as components in things like freewheel mechanisms. The balls come in many different grades. a body which sets standards for the precision of bearing balls. They are manufactured in machines designed specially for the job. Email: info@dihuigroup.com
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