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Home / Bearings & Bushings / SF-2 Self-Lubricating Oil-Impregnated Bearing / Composite Bearing / Oil-Free Liner / Bushing / Bronze Sleeve

Attributes

Brand -
Category Industrial Small Parts / Bearings & Bushings
Origin -
Base Material Low Carbon Steel & Bronze Powder
Inner Diameter Tolerance F7
Outer Diameter Tolerance P7
Hardness 40-50 HB
Density 5.8 - 6.2 g/cm³
Oil Content 15% - 25% by Volume
Operating Temperature -40°C to +120°C
Max PV Value 1.8 N/mm²·m/s
Coefficient of Friction 0.05 - 0.15
Surface Treatment Standard (Optional Plating Available)

5 reviews

A

Anonymous

Apr 23, 2026

Rating: 5/5

Great for automation projects

Used these in a conveyor setup. No grease needed which keeps things clean.

A

Anonymous

Mar 20, 2026

Rating: 5/5

Perfect replacement

Replaced worn bushings in old machinery. Running smoother than before.

A

Anonymous

Mar 04, 2026

Rating: 5/5

Excellent for low maintenance

Ideal for areas where lubrication is difficult. Saves time on upkeep.

A

Anonymous

Feb 15, 2026

Rating: 5/5

Reliable industrial grade

We use these across our factory floor. Consistent quality batch to batch.

A

Anonymous

Feb 10, 2026

Rating: 4/5

Good fit but tight

Quality is solid. Had to press fit carefully. Works well so far.

5 FAQ

Q: What is the lead time for bulk orders?

A: Typically 3-5 business days for stock items.

Q: Do these require additional grease?

A: No, they are self-lubricating.

Q: Are these suitable for outdoor use?

A: They are resistant but we recommend plating for harsh environments.

Q: What is the shaft tolerance recommendation?

A: We recommend h9 or f7 shaft tolerance for optimal fit.

Q: Can you cut these to custom lengths?

A: Yes, contact us for custom machining services.

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