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Home / Bearings & Bushings / Manufacturer Production and Sales of Copper Bushing HRB-78, Copper Bushing Parts, Wear-Resistant Copper Shaft Sleeve Processing

Attributes

Brand -
Category Industrial Small Parts / Bearings & Bushings
Origin -
Material Composition SAE 660 Cast Bronze
Inner Diameter 0.780 inches
Outer Diameter 1.000 inches
Overall Length 1.500 inches
Wall Thickness 0.110 inches
Surface Finish Machined and Polished
Hardness Rating 70 Brinell
Max Static Load 5000 PSI
Operating Temperature -40°F to 250°F
Lubrication Type Oil or Grease Compatible

5 reviews

A

Anonymous

Apr 18, 2026

Rating: 5/5

Perfect Fit for Lathe

Ordered these for a restoration project. Tolerances were spot on and installation was smooth.

A

Anonymous

Apr 16, 2026

Rating: 4/5

Good Quality

Solid bronze construction. Shipping took a bit longer than expected but the product is great.

A

Anonymous

Apr 12, 2026

Rating: 3/5

Slightly Tight

Had to ream them out slightly for my shaft size. Otherwise okay for the price point.

A

Anonymous

Mar 21, 2026

Rating: 5/5

Industrial Grade

Using these in high-load applications. No wear observed yet after several weeks of operation.

A

Anonymous

Mar 12, 2026

Rating: 5/5

Bulk Order Success

Bought 50 units for our facility. Consistency across all parts was excellent.

5 FAQ

Q: Are these suitable for underwater applications?

A: Bronze resists corrosion well, but continuous submersion requires specific lubrication protocols.

Q: Can these be pressed into aluminum housings?

A: Yes, provided the housing tolerance is within H7 standards to prevent loosening.

Q: Do you provide certification documents?

A: Material certificates are available upon request for bulk orders directly from manufacturing.

Q: What is the lead time for orders over 100 units?

A: Typically 5 to 7 business days for bulk manufacturing runs depending on current stock.

Q: Is lubrication required before installation?

A: Yes, we recommend applying light machine oil before insertion to ensure smooth operation.

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