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Home / Bearings & Bushings / Large Graphite Copper Bushing, Self-Lubricating Bearing (Professional Manufacturer)

Attributes

Brand -
Category Industrial Small Parts / Bearings & Bushings
Origin -
Material Composition SAE 841 Bronze with Graphite Plugs
Inner Diameter 50 mm (+0.03/-0.00 mm)
Outer Diameter 60 mm (+0.06/+0.04 mm)
Length 80 mm (+0.5/-0.5 mm)
Max Static Load 250 N/mm²
Operating Temperature -40°C to +250°C
Hardness 90 - 110 HB
Friction Coefficient 0.08 - 0.12 (Dry)
Manufacturing Standard ISO 3547 / DIN 1494
Surface Finish Ra 0.8 μm Precision Machined

5 reviews

A

Anonymous

Apr 25, 2026

Rating: 4/5

Good quality, precise measurements

The dimensions were spot on according to our calipers. Material feels solid. Only giving 4 stars because shipping took a bit longer than expected.

A

Anonymous

Apr 02, 2026

Rating: 5/5

Excellent durability

We have been running these in a high-load environment for three months now with no signs of wear. The graphite impregnation really works.

A

Anonymous

Mar 30, 2026

Rating: 5/5

Reliable supplier

Ordered bulk for our factory line. Consistency across all units was impressive. Will order again for future projects.

A

Anonymous

Mar 13, 2026

Rating: 4/5

Great value for money

Comparable to major brands but at a better price point. Installation was straightforward using a standard press fit method.

A

Anonymous

Mar 02, 2026

Rating: 5/5

Perfect for our hydraulic press

These bushings fit perfectly into our existing machinery. The self-lubricating feature saves us maintenance time. Highly recommended for industrial use.

5 FAQ

Q: Are these suitable for high-temperature applications?

A: Yes, they are rated for continuous operation up to 250°C. Please ensure housing materials are also compatible.

Q: Do these bushings require additional oil or grease?

A: No, these are self-lubricating due to the graphite impregnation. However, occasional lubrication can extend life in extreme conditions.

Q: What is the recommended installation method?

A: We recommend a press fit installation. Ensure the housing bore is clean and within the specified tolerance range.

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

A: Standard sizes are usually shipped within 3-5 business days. Bulk custom orders may take 2-3 weeks depending on quantity.

Q: Can you manufacture custom sizes if standard ones do not fit?

A: Yes, we offer customization services. Please contact our sales team with your specific drawings for a quote.

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