Needle roller Introduction:
Needle rollers/pins are cylindrical components with a small diameter relative to their length. They are widely used in various industries for applications that require precise motion, high load-carrying capacity, and compact design.
Needle roller
Material：GCr15 / AISI52100 / 100Cr6 / SUJ-2
Diameters: 1 mm to 10 mm
Length: 1 mm to 50 mm
Grade ：G2/G3/G5
Standard: ISO3096、DIN5402
Type: NRB, NRA, ZB
OEM: According to customer's drawing
Chromer steel needle roller
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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 |
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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 |
Hardness |
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| 61-65HRC |
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Needle roller Application:
* Needle roller bearing
* Tripod joint
* Universal joint
* Linear guide
