OilLess Bearings and Non-Feroous Bush-Bearings, Liners, Wear Plates, Self Lubricating Bush-Bearings, High Temperature Bearings, Graphite Embedded Bearings, Non-Ferrous and Ferrous Castings, Bearings, Liners, Wear Pads, Split Bearings, White Metal Linining / Relining, Various Non-Ferrous [Phos. Bronze, Gun Metal, Aluminium Bronze, Manganese Bronze, Leaded Bronze, Leaded Tin Bronze, etc, etc]  and Ferrous [EN-31, En-24, Cast Iron Grade-1, S.G. Iron, etc, etc] Castings as per standard and required composition, etc, etcHome Bearing Design Guide Freq. Asked Questions Fitting Instructions Contact
OilLess Bearings Non-Ferrous/Ferrous ZA-27 White Metal lining Engineering

 

oilless, bearings, self lubricating, non ferrous, liners, spilit bearings, kiln supporting liner, graphite bearings, bush bearings, bush manufacturer, toggle bush, tie bar bush, ejector bush, bearing insert, clamp bush, oilless bush, white metal lining, babbitt, lining, thermit, non-liquid lubricant, phos. bronze, phosphorous bronze, gun metal, aluminium bronze, manganese bronze, high tensile brass, tin bronze, leaded tin bronze, leaded bronze, ultra bronze, za 27, za-27OilLess LB#500 OilLess LB#2000 OilLess LB#1000 OilLess LB#300
 OilLess/Graphite Embedded Bush-Bearings, Liners & Wear Plates
 [Equivalents: Oiles America (#500SP), Federal Mogul Devaglide, Fibro (Germany) and their other Grades]

Features

Applications

  1. No periodic oiling is required.

  2. Anti seizure properties. Can work under absence of lubrication/lubrication failures.

  3. Outstanding wear resistance.

  4. Have very good Embedability of foreign particles.

  5. Reduction in noise level.

  6. Can be used at high temperatures also.

  7. Suitable for high loads and high speeds.

  8. Products are not contaminated with oil.

  9. Cost effective.

  10. Can be replaced for sintered/Oilite bronze bearings.

  11. Reduction in running costs.

  12. Reduction in maintenance costs.

  13. Compact design.

  14. Longer working life.

  15. Remarkable resistance to corrosion and chemical attack.
  1. Tie-bar bush bearings for injection molding machines.
  2. Bearings for use at a high temperature, including iron and manufacturing machineries.
  3. Bushes for Automobile production line.
  4. Arm link Bearings for power shovels.
  5. Toggle link Bush Bearings.
  6. Heavy engineering applications.
  7. Mining Machineries.
  8. Earth moving and Construction machineries.
  9. Crane and conveyor systems.
  10. Pin Bearings for oil-free chains.
  11. Fulcrum Bushes for table lifters.
  12. Pulley Bushes for Cranes Hoists etc.
  13. Dam gate and water gate Bushes.
  14. Bearings for under water use e.g. Guide Vane Bearings of water wheels.
  15. Bushes and Bush Bearings for use at high temperature, dusty and tough conditions.
  16. Bearings for Nuclear Power Plants.
  17. Bearings for Machine Tools.
  18. Large supporting Bearing liners for bridges.
  19. Wagon Axle Bearings and Cooler Bearings.
  20. Bush Bearings for cement Industry.
  21. Bearings for use in conditions of high load, low velocity and self-lubricating.
  22. Bearings for under water use like a guide vane bearings of turbine
  23. Bearings for use in strong radioactive environment, e.g. Nuclear Power Plant
  24. Hydraulic steel structures.
  25. Offshore industry
  26. Ship building
  27. Power stations and reactors.
  28. Iron and steel mills
  29. Civil engineering bridges, pipelines etc.
  30. Where thermal expansion has to be absorbed.

 

Self-Lubricating OilLess range of Bushes, Bush Bearings, Liners & Wear Plates, etc, etc

1. OILLESS LB#500 [Non-ferrous Copper Alloy Base with Solid Graphite Lubricant]
2. OILLESS LB#2000 [Low Carbon Steel Base with non-Liquid Graphite Lubricant]
 3. OILLESS LB#1000 [ZA-27 Base Alloy with Solid Graphite Lubricant]
4. OILLESS LB#300 [High Carbon steel Base with non-Liquid Graphite Lubricant]

Mechanical / Physical Properties:

Test Item

OilLess LB#500 *
(Graphite Embedded Bronze)

OilLess LB#2000 **
(Graphite Embedded  Low carbon Steel)

OilLess LB#1000 ***
(Graphite Embedded ZA-27 Bronze)

OilLess LB#300 ****
(Graphite Embedded High Carbon Steel)

Specific gravity

8.2 g/cm3

8.8 g/cm3

4.9 g/cm3

8.5 g/cm3

Tensile Strength

750- 800 N/mm2 [MPa]
/76 - 82 Kgf/mm2

1400-1490 N/mm2 [MPa]
/ 142 – 152 Kgf/mm2

420- 490 N/mm2 [MPa]
/ 47 - 50 Kgf/mm2

140-160 N/mm2 [MPa]
/ 13.5 – 16.5 Kgf/mm2

Elongation

10 - 14%

8 - 10%

2 - 8%

5 - 8%

Compressive Proof Stress

390 N/mm2 [MPa]
/40 Kgf/mm2

-

-

440 N/mm2 [MPa]
/45 Kgf/mm2

Hardness

180 – 240 BHN

40 - 65 HRC

90 – 110 BHN

150 - 170 BHN

Modulus of longitudinal elasticity

110 kN/mm2 [GPa]
/11,224 Kgf/mm2

205 kN/mm2 [GPa]
/20,900 Kgf/mm2

98000 N/mm2 [MPa]
/10,000 Kgf/mm2

78000 N/mm2 [MPa]
/7,960 Kgf/mm2

Co-efficient of Friction

0.04 - 0.1

0.04 - 0.1

0.04 - 0.1

0.04 - 0.1

% of lubricant deposits to sliding surface

25% - 30%

25% - 30%

25% - 30%

25% - 30%

* The values mentioned are for base material High Tensile Brass -3 (UNS 86300) / #500SP OILES / Federal Mogul Devaglide.

 The base material may be changed as per specifications or application requirements to

·    Nickel Al. Bronze [BS1400 AB-2C].

·    Aluminum Bronze [BS1400 AB-1C].

·    Leaded Red Brass (UNS 83600).

·    Leaded Tin Bronze (UNS 91700).

·    Tin Bronze (UNS 92700).

·    Phos. Bronze [BS1400 PB-2C), etc

** The values mentioned are for base En-31 material. The base material shall with the changed as per specifications or application requirements. Various base materials can be En-24, Stainless Steel, 16MnCr, etc

*** Zinc – Aluminum – Copper based Alloy known as ZA-27.

**** The values mentioned are for base material Cast Iron. The base material shall with the changed as per specifications or application requirements. Various base materials can be S.G. Iron, etc

Material & Application:

Test Item 

OilLess LB#500
(Graphite Embedded Bronze)

OilLess LB#2000
(Graphite Embedded  Low carbon Steel)

OilLess LB#1000
(Graphite Embedded ZA-27 Bronze)

OilLess LB#300
(Graphite Embedded High Carbon Steel)

Base Material

Non-ferrous, Copper Base Alloy
(e.g. AB-2C, HTB-3, PB-2C, etc)

Low Carbon Steel Base Alloy.
(e.g. En-31, En-24, Stainless Steel, etc)

Non-ferrous, Zinc-Aluminum Alloy
(e.g. ZA-27 Bronze)

High Carbon Steel Base Alloy.
(e.g. Cast Iron, S. G. Iron etc)

Application / Service temperatures

- 40 oC - +250 oC

- 40 oC - +400 oC

- 40 oC - +70 oC

- 40 oC - +400 oC

Embedability

Very Good

Very Good

Very Good

Very Good

Working Conditions

Can be used in Sea-water applications.

Most suitable for severe mining operations.

Economical bearing solution for low loads

Economical bearing solution for low loads

Lubricant

Graphite as Non-Liquid Lubricant, Share 20-25%.

Graphite as Non-Liquid Lubricant, Share 20-25%.

Graphite as Non-Liquid Lubricant, Share 20-25%.

Graphite as Non-Liquid Lubricant, Share 20-25%.

 

Material Data:

Test Item

OilLess LB#500 *
(Graphite Embedded Bronze)

OilLess LB#2000 **
(Graphite Embedded  Low carbon Steel)

OilLess LB#1000 ***
(Graphite Embedded ZA-27 Bronze)

OilLess LB#300 ****
(Graphite Embedded High Carbon Steel)

Chemical Composition.

Cu=60-68%, Al=3.0-7.5%, Fe=2.0-4.0%, Mn=2.5-5.0%, Ni=0.5-1.5%, Bal.= Zn

C=0.98-1.1%, Cr=1.45%, Mn=0.35%, P=0.025 Max., S=0.025 Max, Si=0.23%, Bal= Fe

Al=26-29%, Cu=4-6%, Si=0.15-0.20%, Sn=0.11-0.16, Pb=0.13-18%, Impurities=1%, Bal.= Zn

C=3.25-3.5%, Cr=0.05-0.45%, Mn=0.5-0.9%, P=0.12 Max., S=0.15 Max., Si=1.8-2.3, Bal.= Fe

Specific gravity

8.2 g/cm3

8.8 g/cm3

4.9 g/cm3

8.5 g/cm3

Tensile Strength

750- 800 N/mm2 [MPa]
/76 - 82 Kgf/mm2

1400-1490 N/mm2 [MPa]
/ 142 – 152 Kgf/mm2

420- 490 N/mm2 [MPa]
/ 47 - 50 Kgf/mm2

140-160 N/mm2 [MPa]
/ 13.5 – 16.5 Kgf/mm2

Elongation

10 - 14%

8 - 10%

2 - 8%

5 - 8%

Compressive Proof Stress

390 N/mm2 [MPa]
/40 Kgf/mm2

-

-

440 N/mm2 [MPa]

/45 Kgf/mm2

Hardness

180 – 240 BHN

40 - 65 HRC

90 – 110 BHN

150 - 170 BHN

Modulus of longitudinal elasticity

110 kN/mm2 [GPa]
/11,224 Kgf/mm2

205 kN/mm2 [GPa]

/20,900 Kgf/mm2

98000 N/mm2 [MPa]

/10,000 Kgf/mm2

78000 N/mm2 [MPa]

/7,960 Kgf/mm2

Co-efficient of Friction

0.04 - 0.1

0.04 - 0.1

0.04 - 0.1

0.04 - 0.1

Thermal Conductivity

0.009 W/m oC
{ 0.21} {cal/sec oC cm}

45-48 W/m-K

125.5 W/m/ oC at 70-140 oC

0.005 W/m oC

{ 0.12} {cal/sec oC cm}

Co-efficient of Thermal expansion

2.2 x 10-5/ oC

11.9 µm/m-°C

26 mm/mm/°C at 20-100 °C (x10-6)

1.2 x 10-5/ oC

Co-efficient of shrinkage

1.8 - 2.3%

1.8 - 2.3%

1.26%

-

Shear strength

560 N/mm2

80 GPa

290-305 MPa

-

Yield limit Rp 0.2 N/mm2

450

-

-

-

Stroking velocity

15 m/min

-

-

-

Alt. Flexural strength

±150 N/mm2

-

±150 N/mm2

-

 

Surface pressure, temperature, speed and lubrication: OilLess LB#500* (Graphite Embedded Copper Alloy)

Surface Pressure
Max. (N/cm2 )

Temp.
(oC)

Speed
(m/min)

PV value
N/cm2 x m/min

Lubrication

3000

300

30

10,000

Initial

5000

80

15

10,000

Initial

3000

150

60

20,000

Pressure Lubrication

 

Service Range: OilLess LB#300** (Graphite Embedded High Carbon Steel Alloy)

Surface Pressure
Max. (N/cm2 )

Temp.
(oC)

Speed
(m/min)

PV value
N/cm2 x m/min

Lubrication

500(73.5)

- 40 oC -  400 oC

9

3,000

Oil free Lubrication

800

- 40 oC -  400 oC

15

4,900

Periodic Lubrication

* Values above are nominal values, not standard values. Values in ( ) are of static allowable pressure.
* Values shall be higher for base material such low carbon steel and high chrome steels e.g. En-31, stainless steel.

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