Dozer Bottom Rollers Double Flange D9N D9T D9R CR4673 1969954 Fit For Caterpillar

Dozer Bottom Rollers Double Flange D9N D9T D9R CR4673 1969954 Fit For Caterpillar part number includes 1043496, 7T1253, B01099N1M00.

D9N D9T D9R use single flange track roller: CR4672, 104-3495, 196-9955, 7T1258, A01099N1M00, VCR4672V

use track chain: CR4653/43, CR5886A/43, CR6125/43, CR6516/43, 199-5525, 199-5531, 1Q4653, 6Y1129, 6Y1130, 6Y8193, 7T2281,8E7962, 9W2748, G01090N0M00043, G01090N0Y00043, G01090NAS00043

use track shoe: CR4671/24, 7T2294, Z01091N1N0610V

use front idler: CR4681, 107-2690, 125-4655, 7T2769, 9W9991, P01090N0Y00, P01090N1M00

use segment group: 160-4927, S01095N0M00, VCR4686V

use track bolt: CR4670, 6T2638

use track nut: CR4037, 7G0343

Why do we place such importance on the surface finish of the track roller shaft? Improving the surface finish of the Caterpillar D9N track roller shaft has the following practical significance:

Wear Resistance: A higher surface finish can reduce wear. In mechanical engineering, the track roller shaft often bears high loads and friction, so its surface quality directly impacts its service life and maintenance costs.

Corrosion Resistance: Enhancing the surface finish helps prevent corrosion. Since the track roller shaft is exposed to the external environment, it is prone to corrosion, and a high-quality surface finish can form a more uniform protective layer, thereby extending its lifespan.

Concentricity and Precision: A track roller shaft with a high surface finish ensures greater concentricity and machining precision. This is crucial for ensuring the smooth operation of the entire track system, as even minor deviations can lead to vibration or noise issues.

Sealing and Lubrication Effectiveness: Good surface finish contributes to improved sealing and lubrication performance. For example, in the power transmission system of the D9N track-type tractor, the track roller shaft requires proper lubrication to reduce friction and wear while maintaining effective sealing to prevent dust and moisture ingress.

In summary, enhancing the surface finish of the Caterpillar D9N track roller shaft not only significantly improves its wear and corrosion resistance but also ensures higher concentricity and precision, thereby extending the equipment's service life and reducing maintenance costs.