Rolled dry sliding bearings (POM)

ttv-2Y (TX) - ROHS

The ttv-2Y sliding bearings are lead-free and constitute an improvement on the ttv-2X bearings. They are used in sectors where lead must not be used, such as in textile machinery and vehicle steering systems, medium-speed applications or applications with medium loads and medium levels of grease lubrication.

Limit value (oil) Friction coefficientTemperature rangeResilienceSliding speed limit
22 N/mm2 × m/s0.050.25-40°C+130°C70 N/mm22.5 m/s

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ttv-3NY

NEW!
With immediate effect, we offer the developed sliding bearing material ttv-3Y (TX) as an improvement of our well-known POM material. A special nylon layer, sintered on a steel or bronze band is characterized by the following advantages towards the characteristics of the POM material:
wear-resistant, heat-resistant (no problem to use until max. 160  C°), extended lifetime.

Limit value (oil) Friction coefficientTemperature rangeResilienceSliding speed limit
2,8 N/mm2 × m/s0.00.2-°C+160°C80 N/mm22.5 m/s

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ttv-2X

The ttv-2X sliding bearings are based on a 3-layer composite: The composite comprises a steel substrate, a sintered bronze intermediate layer and a modified POM surface sliding layer.

These bearings are particularly suited to applications with low speeds and heavy loads. The ttv-2X sliding bearings are generally used in the automotive chassis sector, in forging, metallurgical and mining machinery and in power plants and rolling mills, among other areas.

Limit value (oil) Friction coefficientTemperature rangeResilienceSliding speed limit
22 N/mm2 × m/s0.050.25-40°C+130°C70 N/mm22.5 m/s

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ttv-2S (ROHS)

The ttv-2S sliding bearings can be used with very little or even no lubricant under mixed friction, and are characterised by their low levels of friction, good corrosion protection and long service lives. These sliding bearings can be used with oscillating movements under severe environmental impacts, such as corrosion. The applications for these bearings are winches and bulldozers but also printing and dyeing machinery in the textile industry.

Limit value (oil) Friction coefficientTemperature rangeResilienceSliding speed limit
25 N/mm2 × m/s0.040.20-40°C+130°C70 N/mm25 m/s

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ttv-BF

The ttv-BF bearing use the PTFE fibres fabric and aramid fiber overlayed on metal backing. The fabric has very high load capacity and high acuracy. The bearing has superior performance under low speed and heavy friction condition. Widely used in heavy equipment like construction machinery, agriculture machinery.

Limit value (oil
+ dry)
Friction coefficientTemperature rangeResilienceSliding speed limit
3.6 N/mm2 × m/s0.040.20-195°C+280°C140 N/mm25 m/s

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