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Steel Ball

4.33 (3)
Young's Modulus (GPa)
310
Maximum Temperature (Degree C)
1000
Hardness (Hv)
1600
Specific Gravity
3.2
Material
Silicone nitride
Specification
(Fracture toughness) 6.0MPa m1/2, (coefficient of thermal expansion) 2.8x10 -6 deg C
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Dimension (mm) Restriction Package
Qty.
Ship pack of Mfr.# Item.# Sales Price Availability Qty.
Dimension (mm) Restriction Package
Qty.
Ship pack of Mfr.# Item.# Sales Price Availability Qty.
1   1PC 1 1 85843764 3.20 SGD
In stock
3.5 *[No return] You cannot return this product. For details, see FAQ. 1PC 1 3.5 85843816 3.47 SGD
Shipped after 2017-10-23
5   1PC 1 5 85843843 3.52 SGD
In stock
1.5   1PC 1 1.5 85843773 3.20 SGD
In stock
2.5   1PC 1 2.5 85843791 3.20 SGD
In stock
4   1PC 1 4 85843825 3.47 SGD
In stock
4.5 *[No return] You cannot return this product. For details, see FAQ. 1PC 1 4.5 85843834 4.60 SGD
Shipped after 2017-10-23
10   1PC 1 10 85843886 12.12 SGD
In stock
2   1PC 1 2 85843782 3.20 SGD
In stock
6 *[No return] You cannot return this product. For details, see FAQ. 1PC 1 6 85843852 3.75 SGD
Shipped after 2017-10-23
7   1PC 1 7 85843861 4.59 SGD
In stock
8   1PC 1 8 85843877 7.65 SGD
In stock
3   1PC 1 3 85843807 3.20 SGD
In stock
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Customer Reviews
5 star 1
4 star 2
3 star 0
2 star 0
1 star 0
Review Rating: 4.33
3 Customer Reviews
The reviews are automatic translation.
Friction and wear evaluation of dry coating
4
From Japan
On 2017-09-14 20:09:28
Purchased for evaluation of durability of coating film. In this test (ball on disc friction wear test), spheres of φ 6 or φ 1/4 inch are often used, so it will be helpful if possible to be shipped on the same day (inventory) if possible. There is something I want immediately, and Monotaro who handles ceramic ball is very convenient · · ·.
This review is about item#85843852.
For parts polishing
4
From Japan
On 2016-07-13 22:55:27
Besides buying bearings, I decided that something lightweight is better to use for polishing parts, and I am going well so far. Hardness is also sufficient. I do not know the durability if I try to use it a bit more.
This review is about item#85843852.
Folding knife bush
5
From Japan
On 2014-06-24 13:23:09
It is different from usual way of using the bearings, but I used it for a folding knife bush (liner lock). It was a bad environment where friction was concentrated on one point and abrasion and rust easily occurred in steel balls. I am not worried anymore.
This review is about item#85843773.

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