Rouleaux à aiguilles NRB 5x49.8 DIN 5402 Needle roller le plus cher (5x50)
Rouleaux à aiguilles NRB 5x49.8 DIN 5402 Needle roller le plus cher (5x50)
Rouleaux à aiguilles NRB 5x49.8 DIN 5402 Needle roller le plus cher (5x50)

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)
DAA
G2+0 -1021.00.2-6+0 -0.180
610+0 -0.220
1018+0 -0.270
1860+0 -0.330
3050+0 -0.390

Chemical composition:

MaterialC %Mn %Si %P %S %Cr %
100Cr60.93÷ 1.050.25 ÷ 0.450.15 ÷ 0.35≤0.015≤0.0251.35 ÷ 1.6

International equivalents of material:

ITALYSPAINGERMANYCHINAUSA
UNI 100Cr6UNE F 1310W. nr. 1.3505GCr15AISI/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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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)
DAA
G2+0 -1021.00.2-6+0 -0.180
610+0 -0.220
1018+0 -0.270
1860+0 -0.330
3050+0 -0.390

Chemical composition:

MaterialC %Mn %Si %P %S %Cr %
100Cr60.93÷ 1.050.25 ÷ 0.450.15 ÷ 0.35≤0.015≤0.0251.35 ÷ 1.6

International equivalents of material:

ITALYSPAINGERMANYCHINAUSA
UNI 100Cr6UNE F 1310W. nr. 1.3505GCr15AISI/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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Rouleaux à aiguilles NRB 5x49.8 DIN 5402 Needle roller le plus cher (5x50)