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Home / Bearings & Bushings / SF1 Composite Bearing / Oil-Free Bushing / Bronze Bushing / Sleeve / Self-Lubricating Oil-Impregnated Bearing ID 3 4 5 6 7

Attributes

Brand -
Category Industrial Small Parts / Bearings & Bushings
Origin -
Material Composition SF1 Composite (PTFE + Bronze)
Inner Diameter Options 3mm, 4mm, 5mm, 6mm, 7mm
Outer Diameter Varies based on ID selection
Length Standard metric sizes available
Dynamic Load Capacity 140 N/mm²
Static Load Capacity 250 N/mm²
Max Sliding Speed 2.5 m/s (dry)
Operating Temperature -40°C to +110°C
Lubrication Type Self-Lubricating (Oil-Impregnated)
Surface Finish Smooth Bronze Surface

5 reviews

A

Anonymous

Apr 05, 2026

Rating: 5/5

Perfect Fit for Robotics

Used these for a 3D printer upgrade. The motion is incredibly smooth and installation was straightforward.

A

Anonymous

Mar 14, 2026

Rating: 5/5

No Grease Needed

Saves time on maintenance. Very happy with the self-lubricating feature. No mess during assembly.

A

Anonymous

Feb 23, 2026

Rating: 5/5

Durable Performance

Running high cycles without wear so far. Excellent value for industrial applications.

A

Anonymous

Feb 08, 2026

Rating: 5/5

Fast Shipping

Arrived quickly and packaged securely. The bearings match the description perfectly.

A

Anonymous

Jan 29, 2026

Rating: 4/5

Good Quality

Slightly tight fit initially but broke in well after a few cycles. Material feels durable.

5 FAQ

Q: Can I use these bearings in outdoor environments?

A: Yes, the bronze composite material offers good corrosion resistance for outdoor use.

Q: Do you offer bulk discounts for large orders?

A: Yes, please contact our sales support for pricing on bulk quantities.

Q: What is the return policy if the size is wrong?

A: We accept returns within 30 days if the item is unused and in original packaging.

Q: What is the recommended shaft tolerance?

A: We recommend h9 tolerance for shafts to ensure optimal performance.

Q: Is additional lubrication required during installation?

A: No, these are self-lubricating bearings. You can install them dry.

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