ISO 9001 DNV GL Certification Mark ISO 14001 DNV GL Certification Mark

Track rollers with radial cylindrical roller and axial needle roller

 

NNTRA

This table shows only a limited selection of our back up rolls programme.
Please contact us for the complete range or for customized back up rolls.

RAW MATERIAL

> Outer ring
Steel UNI 100Cr6 hardened and tempered, final hardness according to customer’s requirement
> Inner ring
Steel UNI 100Cr6 Hardened and tempered, final hardness 60±2 HRc
Thrust washers
Steel UNI 20MnCr5 case-hardened, hardened and tempered, with final hardness 60±2 HRc
Spacers
Steel UNI 20MnCr5 casehardened, hardened and tempered, with final hardness 60±2 HRc
Rolling elements
Steel UNI 100Cr6 hardened and tempered, final hardness 62±2 HRc

DOWNLOAD CAD MODELS

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MOUNTING DIMENSIONS
d D C
mm mm mm
NNTRA050 50 130 65
NNTRA060 60 150 75
NNTRA070 70 180 85
NNTRA080 80 200 90
NNTRA090 90 220 100
NNTRA100 100 240 105
NNTRA110 110 260 115
NNTRA120 120 290 135
NNTRA130 130 310 146

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