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SOLTRI

SOLTRI

SOLTRI

SOLTRI

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SOLTRI

SOLTRI

Composite Bearing

Model

Series

Composite Bearing


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Description

■ Material structure

MOSTUF NW bearing has a twin layer structure. The inner layer is composed of special woven synthetic fiber and PTFE. The outer layer has high strength continuous glass fibers which are impregnated with epoxy resin in special filament winding at specific angles to provide strength

 

 Features

 No need for lubrication

 Maintenance-free in dry operation

 Self-lubricating design

 Low coefficient of friction and wear-resistant

 High load-carrying capacity

 High PV capacity

 Negligible stick-slip

 Corrosion-resistant

 Non-metallic material

SOLTRI  MOSTUF NW

 

■ Properties

 

 

Density

[g/cm3]

Permissible load

[MPa]

Max. Sliding speed

[m/s]

Max. PV value

[MPa.m/s]

Coefficient

of friction

Thermal expansion

[10-5/℃]

Thermal conductivity

[W/MK]

Water absorption

[%]

Temperature

[℃] 

static

dynamic

 NW

SOLTRI  MOSTUF NW 1

 2.03

210

140

0.10

2.80

0.03~0.20

1.3~2.9

0.40

0.11

 -100~160



 

■ Friction and Wear characteristics

 Friction and wear characteristics of the bearing is subjected to the influences of various factors such as

  - Specific load, PV factor, shaft material, surface roughness of shaft, temperature, other environmental factors(e.g. dust, lubrication)

 

Fig 2. shows the friction characteristics under 140MPa, 0.0199m/s and non-lubricated condition with 1,000,000cycle. The initial static coefficient of friction in steady state is between 0.038 to 0.047. The coefficient of friction on MOSTUF NW bearing is 0.03~0.20. It showed a tendency of coefficient of friction decreasing as the load is increased.

Fig 3. shows that the wear resistance with 1,000,000cycles under the same condition. The initial wear in the start-up stage show relatively rapid increase as the self-lubricating boundary layer is created. Once transfer film is formed on the test shaft, the coefficient of friction rapidly decreased and reached a stable state, as did the wear rate maintaining a steady state until the test was completed.

SOLTRI  MOSTUF NW 2

Download

MOSTUF NW

Inquiry

Komachine Inc.
Head Office:
Ace Dongbaek Tower 1-1101, 16-4,
Dongbaekjungang-ro 16beon-gil, Giheung-gu,
Yongin City, Gyeonggido, South Korea 17015
Branch Office:
606, Seoul Stratup Center, 10,
Noryangjin-ro, Dongjak-gu, Seoul, South Korea 06938
CEOCharlie Park
Corporate #535-86-00664

ⓒ2024 Komachine Inc. All rights reserved.