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Sint-B51 Tin Bronze Graphite Powder Metallurgy Bearing and Components

Standard: DIN30910
Code: SINT-B51
Type: Bronze-Graphite Base
Products: Bearing & Parts
Product description: Crafted from bronze-graphite via powder metallurgy, the SINT-B51 sintered bearing adheres to DIN 30910 standards. Its oil-impregnated self-lubricating structure is perfect for electric motors, reducin
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SINT-B51 Sinterbronze graphithaltig (Graphite-Bearing Sintered Bronze)

SINT-B51 is a medium-density graphite-bearing tin bronze sintered bearing material per DIN 30910-3. Carbon present as free graphite provides additional solid lubrication for improved boundary lubrication performance.

Chemical Composition (per DIN 30910-3 (Sintered Metals for Bearings))

Element	Content
Cu	Rest (Balance)
Sn	9–11%
C	0.5–2.0%
Other	< 2%

Properties (per DIN 30910-3 (Sintered Metals for Bearings))

Property	Value
Density	6.5–7.0 g/cm³
Porosity	20 ± 2.5%
Radial Crushing Strength K	> 150 N/mm²
Hardness HB	> 25
Thermal Conductivity	26 W/mK

Comparable Standards: MPIF CTG-1001-K22 / ISO 5755 P4022Z. Radial crushing strength K is measured on calibrated bearings Ø 10/16 × 10. Oil content is minimum 90% of open porosity.

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