Rouleaux à aiguilles le plus cher NRB 5x49.8 DIN 5402 Needle roller (5x50)
Rouleaux à aiguilles le plus cher NRB 5x49.8 DIN 5402 Needle roller (5x50), Rouleaux à aiguilles NRB 5x49.8 DIN 5402 Needle roller (5x50) boutiques
SKU: 536009
CYLINDRICAL NEEDLE ROLLERS
Dimensions: 5x49.8 mm G2
NRB type - end faces flat
(DIN 5402-3/ ISO 3096)
Technical characteristic:
GRADE
DIAMETER TOLERANCE
(μm)
SORTING GROUPS
VDwL (μm)
MAX ROUNDNESS DEVIATION
ΔRw (μm)
MAX SURFACE ROUGHNESS
Ra (μm)
LENGTH (mm)
LENGTH TOLERANCE
h13 (mm)
DA A G2 +0 -10 2 1.0 0.2 - 6 +0 -0.180 6 10 +0 -0.220 10 18 +0 -0.270 18 60 +0 -0.330 30 50 +0 -0.390 Chemical composition:
Material C % Mn % Si % P % S % Cr % 100Cr6 0.93÷ 1.05 0.25 ÷ 0.45 0.15 ÷ 0.35 ≤0.015 ≤0.025 1.35 ÷ 1.6 International equivalents of material:
ITALY SPAIN GERMANY CHINA USA UNI 100Cr6 UNE F 1310 W. nr. 1.3505 GCr15 AISI/SAE 52100 •Cylindrical needle-rollers are hardened and tempered with value
HRC 58-65 (670 / 840 HV) in order to achieve the maximum mechanical strength.
•The cylindrical surface of needles is super-finishing (polished).
• Mass: 7.5 kg / 1000 pcs

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