S51210 Bearing 50*78*22 mm ( 1PC ) ABEC-1 Stainless Steel Thrust S 51210 Ball Bearings | Обустройство дома



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S51210 Bearing 50*78*22 mm ( 1PC ) ABEC-1 Stainless Steel Thrust S 51210 Ball Bearings | Обустройство дома

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Месяц Минимальная цена Макс. стоимость Цена
Feb-19-2026 4291.1 руб. 4377.31 руб. 4334 руб.
Jan-19-2026 3480.85 руб. 3550.8 руб. 3515 руб.
Dec-19-2025 4224.44 руб. 4308.15 руб. 4266 руб.
Nov-19-2025 4190.22 руб. 4274.33 руб. 4232 руб.
Oct-19-2025 3345.90 руб. 3412.77 руб. 3378.5 руб.
Sep-19-2025 4122.81 руб. 4204.75 руб. 4163 руб.
Aug-19-2025 4089.88 руб. 4171.25 руб. 4130 руб.
Jul-19-2025 4055.61 руб. 4136.19 руб. 4095.5 руб.

Описание товара

S51210 Bearing 50*78*22 mm ( 1PC ) ABEC-1 Stainless Steel Thrust S 51210 Ball Bearings | Обустройство домаS51210 Bearing 50*78*22 mm ( 1PC ) ABEC-1 Stainless Steel Thrust S 51210 Ball Bearings | Обустройство домаS51210 Bearing 50*78*22 mm ( 1PC ) ABEC-1 Stainless Steel Thrust S 51210 Ball Bearings | Обустройство домаS51210 Bearing 50*78*22 mm ( 1PC ) ABEC-1 Stainless Steel Thrust S 51210 Ball Bearings | Обустройство домаS51210 Bearing 50*78*22 mm ( 1PC ) ABEC-1 Stainless Steel Thrust S 51210 Ball Bearings | Обустройство дома


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WHY 440C STAINLESS steel?   Good corrosion resistance to water and many weak chemicals  Corrosion resistance can be improved by passivation  Good for temperatures up to 300°C   Slightly softer than chrome steel so lower load ratings  Will corrode in salt water or salt spray and poor resistance to acids/alkalis  More expensive than chrome steel TECHNICAL SPECS Item: S51210Structure:Thrust ball bearingsMaterial: 440C Stainless Steel ( prefix "S" )Bore Dia (d): 50 mmOuter Dia (D): 78 mmMagnetic: little Hardness: 58HRCCorrosion Resistance: GeneralClearance: C0Grades: ABEC Grades 1Static Load Rating (Cor) (Newtons): 72240Dynamic Load Rating (Cr) (Newtons): 31528Weight: 278.6 gQuantity: 1 Lot = 1 PC  

 What is 440C? A martensitic stainless steel. It\'s composed of these major alloy elements (I don\'t list the minor elements since they don\'t play a major role):  Carbon: 0.95-1.25% This increases hardenability and wear resistance, but decreases toughness in higher amounts.  Manganese: 45% This is added to reduce brittleness and improve forgeability, hardenability, and reducing deformation.  Silicon: 30% This is a deoxidizer and improves hot-forming properties.  Chromium: 17.00-18.00% Added only to high alloy tool steels, this improves hardenability, high wear resistance, toughness, and corrosion resistance.  Molybdenum: 50% Improves deep hardening and toughness. These basic elements (along with iron) are a simple combination that works well together, and has for many decades.This alloy is technically classified as UNS (Unified Numbering System) S44044. It\'s also classified as SAE (Society for Automotive Engineers) as 51440C.The American Iron and Steel Institute classifies it as 440C martensitic standard stainless steel. Most modern knifemakers simply call it 440C. 


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