SB-00 Type

SB-00 . SB-01 . SB-03 . SB-04

  • SB-00: is a composite material with an auto-lubricating layer with filled PTFE, intermediate Bronze layer with sintered Tin, Steel support with low carbon content;
  • SB-01: is a composite material with an auto-lubricating layer with filled PTFE, intermediate Bronze layer with sintered Tin, stainless Steel support;
  • SB-03: is a composite material with an auto-lubricating layer with filled PTFE, intermediate Bronze layer with sintered Tin, Bronze support for enviroments with Water presence;
  • SB-04: is a composite material with an auto-lubricating layer with filled PTFE SPECIAL PLUS, excellent friction coefficient and great wear resistence both dry and hydrodynamic mode, intermediate Bronze layer with sintered Tin, Steel support with low carbon content;

SB-00 – SUPPORTING SHELL: CARBON STEEL

C

0.080%

Mn

0.30%

P

0.030%

S

0.030%

SB-00 – BEARING SECTION

SB-00 PTFE compound

SB-00 – GRAPHIC LOAD/SPEED

SB-00 GRAPHIC LOAD/SPEED

SB-01 – SUPPORTING SHELL: AISI 304

C

0.07%

Si

1.00%

Mn

2.00%

Cr

17.5-19.5%

P

0.045%

N

0.11%

S

0.030%

Ni

8.0-10.5%

SB-01 – BEARING SECTION

SB-01 PTFE compound

SB-01 – GRAPHIC LOAD/SPEED

SB-01 GRAPHIC LOAD/SPEED

SB-03 – SUPPORTING SHELL: BRONZE CuSn6

Cu

rem

Fe

0.1% max

Sn

5.5-7.0%

Ni

0.2% max

P

0.01-0.4%

Ni

0.02% max

Zn

0.2% max

 

SB-03 – BEARING SECTION

SB-03 PTFE compound

SB-03 – GRAPHIC LOAD/SPEED

SB-03 GRAPHIC LOAD/SPEED

SB-04 – SUPPORTING SHELL: CARBON STEEL

C

0.080%

P

0.030%

Mn

0.30%

S

0.030%

 

SB-04 – BEARING SECTION

SB-04 PTFE compound

SB-04 – GRAPHIC LOAD/SPEED

Dry use

SB-04 GRAPHIC LOAD/SPEED

Oil use

SB-04 GRAPHIC LOAD/SPEED oil use

The values shown in the graph were determined with a test of constant load, and running for 1000 cycles at three different temperatures: -198 °C, +18 °C and +430 °C.

Comparison Table

SB-00

SB-01

SB-03

SB-04

Carbon steel
+Sintered bronze
+PTFE compound

Aisi 304
+Sintered bronze
+PTFE compound

Bronze CuSn6
+Sintered bronze
+PTFE compound

Carbon steel
+Sintered bronze
+PTFE compound plus

SUPPORTING SHELL C 0.080%
Mn 0.30%
P 0.030%
S 0.030%
C 0.07%, Si 1.00% max
Mn 2.00%, Cr 17.5 – 19.5%
P 0.045%, N 0.11%
S 0.030%, Ni 8.0 – 10.5%
Cu rem, Fe 0.1% max
Sn 5.5 – 7.0%, Ni 0.2% max
Pb 0.02% max, Zn 0.2% max
P 0.01 – 0.4%
C 0.080%
Mn 0.30%
P 0.030%
S 0.030%
The given values are nominal values from literature.
SLIDING LAYERS

PTFE (polytetra uorothylene) compound, colour Gray, thickness 20–40 μm, by high load capacity and self-lubricating under dry operation, NO LEAD in accordance to the European Parliament’s ref: 2000/53/EC.

SINTERING Intermediate layer CuSn11 Sintered 200 ÷ 350 μm (Average Peak)
SHAFT Shaft surface finishing, for optimal performance, shall be between 0.4 and 0.8 μm Ra, depending on different application. Hardness minimum 180 HB5. The best materials for the production of the shaft, are tempered and hardened.

Mechanical Properties

WORKING TEMPERATURE min – 190 °C
max + 280 °C
min – 190 °C
max + 280 °C
min – 200 °C
max + 280 °C
min – 190 °C
max + 280 °C
COEFFICIENT OF FRICTION 0.03-0.20 0.03-0.20 0.03-0.20 0.03-0.06
MAX. SPEED dry: 2.50 m/s, oil: < 10 m/s dry: 2.50 m/s, oil: < 10 m/s dry: 2.50 m/s, oil: < 10 m/s dry: 2.50 m/s, oil: < 6 m/s
MAX. STATIC LOAD 250 N/mm2 250 N/mm2 250 N/mm2 250 N/mm2
MAX. DYNAMIC LOAD
(max. speed 0.05 m/s)
140 N/mm2 140 N/mm2 140 N/mm2 150 N/mm2
MAX. DYNAMIC LOAD
(max. speed 0.50 m/s)
60 N/mm2 60 N/mm2 60 N/mm2 80 N/mm2
PxV 3.6 max
(N/mm2 x m/s)
Admissible for short periods Admissible for short periods Admissible for short periods Admissible for short periods
PxV 1.8 max
(N/mm2 x m/s)
For continuous loads in dry use For continuous loads in dry use For continuous loads in dry use For continuous loads in dry use
PxV 0.9 max
(N/mm2 x m/s)
For continuous loads in dry use For continuous loads in dry use For continuous loads in dry use For continuous loads in oil use

Chemical Resistance

GASOLENE Excellent Excellent Excellent Excellent
KEROSENE Excellent Excellent Excellent Excellent
DIESEL FUEL Excellent Excellent Excellent Excellent
MINERAL OIL Excellent Excellent Excellent Excellent
METHANE Excellent Excellent Excellent Excellent
SOLVENTS Good Good Good Good
WATER Sufficient Sufficient Sufficient Sufficient
SODIUM HYDROXIDE Sufficient Sufficient Sufficient Sufficient
AMMONIA Sufficient Sufficient Sufficient Sufficient
HYDROCHLORIC ACID 5% No resistance No resistance No resistance No resistance
SULFURIC ACID 5% No resistance No resistance No resistance No resistance
NITRIC ACID 5% No resistance No resistance No resistance No resistance
SEA WATER No resistance No resistance No resistance No resistance

Note: The informaton in this data-sheet is to be considered reliable, but conditons and methods of use, which are beyond our control, may modify the results. The informaton and data contained in this data-sheet are the result of a long and detailed research, however F.lli Paris S.r.l. cannot be considered responsible for any incorrect or incomplete data. Owing to the constant development of the products, we reserve the right to make changes to them without prior notice.