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Filament Wound Bearings
Product Features
The back material of CRB series material is high strength glass fiber with epoxy resin and the lubricating layer of it is PTFE wound fiber or special lubricating fiber. Therefore, this special structure performs an outstanding anti-wear feature and low friction coefficient under high load and low speed condition. Furthermore, this absolutely new idea gives better solution for high load and excellent wear resistance possibility.
The Material Data Sheet
Typical Item
Unit
   Basic type

Universal
Standard
High load
High speed
Under water
Multi-role
   Density
g/cm3
2.00
2.00
2.00
2.00
2.00
1.30
   Max. PV (dry)
N/mm2×m/s
1.8
1.8
2.0
1.6
1.8
1.2
   Coefficient of friction

0.05~0.15
0.03~0.12
0.03~0.12
0.02~0.12
0.02~0.10
0.08~0.30
   Working Temp.
-100~+160
-100~+160
-196~+200
-100~+160
-100~+100
-40~+130
   Max. Speed
m/s
0.20
0.20
0.20
0.40
0.40
0.13
   Max. compressive strength
MPa
420
420
550
420
420
300
   Static load
MPa
240
240
260
240
240
100
   Dynamic friction /steel(dry)
MPa
100
140
160
30
100
45
   Shore hardness
D
90
90
92
90
90
80
   Linear coef. of thermal Expansion
10-6×K-1
13
13
13
13
13
40
   Thermal conductivity
W/m.k 0.26 0.26 0.26 0.26 0.26 0.26
   Max. water absorption, 23℃
% 0.16 0.16 0.16 0.16 0.16 0.20
   Color

Blue
Coffee
Black
White
Green
Dark grey
Friction Coefficient

Friction Coefficient of filament Bearing is 0.03~0.12. The main factors affect the Friction Coefficient are Load, Moving method, Speed and Roughness of mating surfaces. Graph1 shows the friction coefficient is going down while load is increasing under the rotation method.


Specification: CRB-6070-50
Shaft: 45# HRC50, Ra=0.4
Load: 20~140MPa
Speed: 1.0m/min
Lubricate: Dry

The Anti-wear property

The main factors affect the anti-wear property are the load,moving method, speed and roughness of mating surfaces.Graph 2 shows the bearing wear off under room temperature with the load of 50MPa when the bearing is swinging. It is found the wear off increases sharply during the initial runningin while the lubricant is transferred from the inner liner and a smooth surface is created there of to form the lubricating surface. After running-in period, it will maintain stable withoutwear off.


Specification: CRB-4050-30
Shaft: 45# HRC50, Ra=0.4
Load: 50MPa
Speed: 1.0m/min, ±45°
Lubrication: Dry

CRM Filament Wound Bearing
CRM Filament Wound Bearing
Very good friction and wear properties
High load capacity
Excellent contamination resistance
Good chemical resistance
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CRB Filament Wound Bearing
CRB Filament Wound Bearing
Medium to high load capacity
Good impact resistance
Very good chemical resistance
Lower friction and good wear properties
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CRG Filament Wound Bearing
CRG Filament Wound Bearing
Very high load capacity
Excellent impact resistance
Very good chemical resistance
Low friction and good anti-wear properties
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CRW Filament Wound Bearing
CRW Filament Wound Bearing
Excellent anti-wear property under water
High load capacity
Excellent contamination resistance
Good chemical resistance
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CRP Filament Wound Bearing
CRP Filament Wound Bearing
Relatively low load capacity
Low friction co-efficient
High motion speed
Suitable for traverse motion
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CRF Filament Wound Bearing
CRF Filament Wound Bearing
Relatively low load capacity
Relatively high friction co-efficeint
Suitable for oil lubricating applications
Average anti-wear feature
More >>
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