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CSB-LIN® Plastic linear bearings

Product properties

Maintenance free plastic linear bearings. Low noise operation is suitable for continuously application under the extremely dusty environment. It is washable by the clean detergent of the food machine. There is no critical requirement about the shaft hardness or the mounting holes of the housing.
● Maintenance-free, dry operation, low noise
● Suitable for long-time running in dusty environments
● Corrosion resistance; Cleaning with disinfectant
● Straight grooves design removes dust from the friction surface


CSB-LIN® liners technical data table

Material properties

Standard

Unit

CSB-EPB13

CSB-MN2

CSB-EPB5

General properties



Color

-

-

Yellow

Dark grey

Black

Density

ISO1183

g/cm3

1.48

1.72

1.44

Max. moisture absorption,  50%RH

ISO62

%

0.3

0.2

0.1

Max. water absorption

ISO62

%

1.3

0.7

0.5

Coefficient of sliding friction(steel)

ITS025

µ

0.05-0.15

0.10-0.18

0.09-0.25

Max. PV value

ITS026

N/mm2×m/s

0.40

0.3

1.40

Mechanical properties



Flexural modulus

ISO178

MPa

2800

2800

4800

Flexural strength

ISO178

MPa

60

53

165

Max. static load

ITS027

MPa

35

30

110

Max. dynamic load

ITS028

MPa

14 

12

61

Shore hardness

ISO868

D

74

73

82

Physical and thermal properties



Long-term application temperature

ITS029

+90

+90

+250

Short-term application temperature

ITS029

+120

+120

+315

Lowest application temperature

ITS029

-50

-50

-100

Thermal conductivity

ISO22007

W/m/K

0.25

0.24

0.55

Coefficient of thermal expansion

ISO11359

K-1×10-5

10

8

6

Flammability

UL94

Class

HB

HB

V0

Electrical properties



Volume resistance

IEC60093

Ω·cm

>1013

>108

>108

Surface resistance

IEC60093

Ω

>1012

>108

>107

*ITS:CSB company’s internal test standards.  **Test temperatures are 23℃ unless otherwise stated.

Plastic linear bearing liners
Plastic linear bearing liners

● Maintenance-free, Drying working, noiseless
● Closure and opening sliding liners
● Standard long and short design
● Standard material EPB13

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Plastic linear bearings
Plastic linear bearings

● Made of anti-wear plastic
● Higher sewage capacity
● Low-cost solution

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 Plastic linear bearings, closed
Plastic linear bearings, closed

● Closed design linear bearings
● Standard long and short design
● Self-aligning design

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 Plastic linear bearings, opening
Plastic linear bearings, opening

● Opening design linear bearings
● Self-aligning design
● Assembled standard liner LIN-11K

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 Plastic linear bearings, flange
Plastic linear bearings, flange

● Round flange and square flange design
● Standard and long design
● Secured by bolts
● Anodized aluminum adapter

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 Plastic linear bearing housings
Plastic linear bearing housings

● Linear bearing with housing
● Standard, Short and Long design
● Secured by bolts

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Plastic linear pillow blocks
Plastic linear pillow blocks

● Pillow block design
● Standard,short and long design
● Adjustable design to available
● Secured by bolts

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Floating pillow blocks
Floating pillow blocks

● Floating design linear bearings
● Assembled standard liner LIN-11
● Compensation of parallelism errors ±3.0mm
● Compensation of mialignment errors ±3.5°

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CSB-LIN® linear bearings with high loading capability

As a linear sliding bearings, the contacting of the bearing and the shaft is a surface instead of point contact of the traditional ball bearings. So it results in that the surface contacting CSB-LIN® plastic linear bearings are with better loading capability than the sliding ball bearings.

CSB-LIN® linear bearings used in extremely conditions of sands and dusts

CSB-LIN® liners is made from high anti-wear material EPB13. The straight grooves design allows the bearing to be used in the extremely conditions such as in sands and dusts. The straight grooves design allows the sands or dusts entering the grooves and be brought out of the bearing system finally ,but the traditional ball bearings will be blocked by the entered sands or dusts, then the ball bearings moving system and the shaft surface will be damaged.

 

CSB-LIN® linear bearings operation with low noise

Metal ball bearings generates high noise by the crashing of balls to the shafts during the operation and the noise will be sharply increased when the operation speed goes higher while the CSB-LIN® plastic linear bearings are with the surface contacting structure which ensures a lower operation noise level.

CSB-LIN® linear bearings allows the access of cleaning solution

CSB-LIN® plastic linear bearings are used in the food packing machine guiding system so it is easily access to the cleaning solutions. Years of application experience proves that the CSB-LIN® plastic linear bearings are corrosion resistant to most kinds of Alkaline cleaning solutions or could be even immerged into the solutions.

CSB-LIN® Load capacity

Inner diameter

[mm]

Max. dynamic Load [P=5MPa]
Max. static Load [P=35MPa]
LIN-11 liners [N]
LIN-12 liners [N]
LIN-11 liners [N]
LIN-12 liners [N]
10
725
650
5075
4550
12
960
840
6720
5880
16
1440
1200
10080
8400
20
2250
1500
15750
10500
25
3625
2500
25375
17500
30
5100
3750
35700
26250
40
8000
6000
56000
42000
50
9000
8750
87500
61250


CSB-LIN® Eccentric forces

●Maximum 2:1 ratio
●1x =bearing separation on same shaft
●2x =distance from shaft to load or force

CSB-LIN® Precision linear bearings

 ●CAUTION: uneven motion or even system blockage will occur if the 2:1 ratio is exceeded !
This principle is NOT load dependent! It is NOT due to edge loading. It is also NOT dependent on the driving force used! The greater the distance between the drive and guide bearings, the higher the degree of wear and required drive force.
There may be other factors that add to the braking effect, but the coefficient of friction is the main cause.
NOTE: The Rule(2:1) is based on the static friction value of 0.25 theoretically, However, Additional lubrication can help to drop friction and extend the 2:1 ratio.
If you have any questions on design and/or assembly, please contact our application engineers.


Precision shafts
Precision shafts

AS: Hard anodized aluminum shaft, the best shaft for LIN linear bearings; CS: Hard-chromed steel shaft, the effective-cost shaft; ES: 304 Stainless steel shaft, the best for chemical liquid; Shaft end processing service...

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Supported shafts
Supported shafts

Compact and low high design support;

Standard design support;

3 materials shaft: Hard anodized aluminum shaft, Hardchromed steel shaft, 304 Stainless steel shaft;

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CSB-LIN® Plastic Linear Bearings Finder[V2.0] including LIN plastic linear bearings and LINP precision linear bearings. The system is based on the analysis and calculation of a large number of test data in CSB laboratory. You can calculations bearing data by entering parameters such as bearing load, speed, temperature and position information, The system will output bearing adaptation data and min. driving force.
Because the system calculate and analyze based on lab data, it can't exactly meet the ractual use requirements absolutly. The system data verification has certain limitations; CSB recommends that the bearing must be tested again to verify whether it meets the actual use requirements.
CSB-LIN® Plastic Linear Bearings Finder output data information is only for design reference, and can not be used as the final standard for determining the bearing material conformity, If you have any questions, please contact CSB sales engineers.

CSB-LIN® Plastic Linear Bearings

Type PDF
Size 1.02MB
Time 03-2020
No. CSB/CAT.052
download

187

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