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Home / USB Multi-Function Power Bank / SF Self-Lubricating Composite Bearing Oil-Impregnated Bearing Composite Bronze Sleeve Oil-Free Bushing Shaft Sleeve Guide Sleeve SF12810-3240

Attributes

Brand -
Category 3C Digital Accessories / USB Multi-Function Power Bank
Origin -
Material Self-lubricating composite bronze with oil impregnation
Model Number SF12810-3240
Inner Diameter 12 mm
Outer Diameter 16 mm
Length 20 mm
Load Capacity High static and dynamic load resistance
Operating Temperature -40°C to +110°C
Friction Coefficient Low friction, maintenance-free operation
Application Automotive, machinery, and industrial guide sleeves
Finish Precision machined smooth surface

6 reviews

A

Anonymous

Mar 26, 2026

Rating: 4/5

Good quality, fast shipping

The build quality is solid. They handle high loads well, though I wish the packaging was slightly more robust.

A

Anonymous

Mar 21, 2026

Rating: 5/5

Great value for money

Compared to other brands, these offer better performance at a lower price point. Will buy again.

A

Anonymous

Mar 12, 2026

Rating: 5/5

Excellent durability

Been using these for three months in a high-vibration environment. No wear signs yet. Highly recommended.

A

Anonymous

Mar 12, 2026

Rating: 4/5

Works as described

Does exactly what it says on the tin. Oil-free operation is a huge plus for clean environments.

A

Anonymous

Mar 02, 2026

Rating: 5/5

Perfect fit for my machinery

These bearings fit perfectly into my industrial setup. The self-lubricating feature saves me a lot of maintenance time.

A

Anonymous

Mar 02, 2026

Rating: 5/5

Smooth operation

The shaft moves incredibly smoothly with these bushings installed. Zero noise during operation.

5 FAQ

Q: Is there a warranty included?

A: Yes, all our bearings come with a standard 1-year manufacturer warranty against defects.

Q: What is the maximum load capacity per unit?

A: The static load capacity is approximately 300 N/mm², depending on the specific application conditions.

Q: Do I need to apply additional grease during installation?

A: No, these are self-lubricating and oil-impregnated. Additional grease is not required and may attract dust.

Q: Can these be used with stainless steel shafts?

A: Yes, they are compatible with stainless steel, hardened steel, and chrome-plated shafts.

Q: Are these bearings suitable for outdoor use?

A: Yes, they are designed to withstand various weather conditions within the specified temperature range.

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