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Needle rollers have a high length-to-diameter ratio, which allows them to have a larger contact area with the raceway, providing more surface for load-bearing and reducing friction between two surfaces. Needle rollers are commonly made from high-quality steel or another durable material and are often used in applications where space is limited, and high load-carrying capability is required.

Product Description

Chrome Steel needle roller

Material：GCr15 / AISI52100 / 100Cr6 / SUJ-2

Diameters: 1 mm to 10 mm

Length: 1 mm to 50 mm

Precision grades: DIN 5402-3 G2/G3

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Chemical Compostion %
C	Si	Mn	P	S	Cr	Mo	Ni
0.95	0.15	0.25	0.03	0.03	1.40	0.10	0.30
1.05	0.35	0.45	Max	Max	1.65	Max	Max

Mechanical Properties
Tensile strength	325,000	psi
Yield strength	295,000	psi
Modulus of elasticity	29,500,000	psi
Elongation in two inches	5	%
Reduction in area	8	%
Density	7.83	g/cm3