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Home / Bearings & Bushings / Mold Accessories Manufacturer Precision Graphite Bronze Sleeve Oil-Impregnated Bushing/Oil Groove Bronze Sleeve/Composite Sleeve

Attributes

Brand -
Category Industrial Small Parts / Bearings & Bushings
Origin -
Material Composition Graphite-Impregnated Bronze
Inner Diameter Tolerance H7
Outer Diameter Tolerance h6
Length Tolerance ±0.05mm
Lubrication Type Self-Lubricating (Solid Graphite Plugs)
Hardness HB 90-120
Max Static Load 100 N/mm²
Max Operating Temperature 250°C
Surface Finish Ra 0.8 μm
Application Injection Mold Components

5 reviews

A

Anonymous

Apr 21, 2026

Rating: 5/5

Great Durability Under Load

Withstanding high cycles without noticeable wear. The graphite impregnation really helps with friction reduction.

A

Anonymous

Mar 22, 2026

Rating: 5/5

Precision Machined

Dimensions were exactly as specified on the datasheet. Very happy with the consistency across the batch we ordered.

A

Anonymous

Mar 21, 2026

Rating: 5/5

Self-Lubricating Feature Works

No need for external oiling in our application. This saves us maintenance time and keeps the mold cleaner.

A

Anonymous

Mar 12, 2026

Rating: 5/5

Excellent Fit for Mold Components

These bushings fit our mold components perfectly. The precision is exactly what we needed for our production line. No issues with installation.

A

Anonymous

Jan 31, 2026

Rating: 4/5

Good Value for Money

Quality is good and meets specifications. Shipping took a bit longer than expected, but the product itself is solid.

5 FAQ

Q: Do you provide material certification with the shipment?

A: Yes, a material certificate of compliance is included with every order upon request at checkout.

Q: Can I order custom sizes for specific mold projects?

A: Yes, we offer custom machining services. Please contact our sales team with your detailed drawings for a quote.

Q: Are these suitable for high-temperature molding environments?

A: Yes, these bushings are rated for operating temperatures up to 250°C, making them suitable for most molding applications.

Q: What is the standard lead time for bulk orders?

A: Standard sizes typically ship within 2-3 business days. Bulk or custom orders may take 1-2 weeks depending on quantity.

Q: What is the approximate graphite content percentage?

A: The graphite plugs typically constitute approximately 3-5% of the bearing surface area to ensure optimal lubrication.

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