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Home / Bearings & Bushings / SF1 Composite Bearing, Oil-Free Liner, Bronze Bushing, Self-Lubricating Oil-Impregnated Bearing, ID 65 70 75 80mm

Attributes

Brand -
Category Industrial Small Parts / Bearings & Bushings
Origin -
Material Type SF1 Composite (PTFE Based)
Inner Diameter (ID) 65 / 70 / 75 / 80 mm
Outer Diameter (OD) Customizable based on ID
Wall Thickness Standard Wall
Max Load Capacity 250 N/mm²
Temperature Range -40°C to +110°C
Friction Coefficient 0.03 - 0.15
Lubrication Self-Lubricating / Oil-Free
Application Hydraulic Cylinders, Construction Machinery
Package Content 1 x Sleeve Bearing

5 reviews

A

Anonymous

Mar 23, 2026

Rating: 5/5

Excellent fit for hydraulic ram

Ordered the 70mm ID and it fit perfectly on our excavator arm. No grease needed so far.

A

Anonymous

Mar 19, 2026

Rating: 5/5

True self-lubricating

We use these in high vibration areas. They hold up well without additional oiling.

A

Anonymous

Mar 11, 2026

Rating: 5/5

Durable under load

Replaced standard brass bushings with these. Much less wear over time.

A

Anonymous

Feb 26, 2026

Rating: 4/5

Good quality, slow shipping

The bearing itself is solid and meets specs. Shipping took longer than expected though.

A

Anonymous

Feb 03, 2026

Rating: 5/5

Precise dimensions

Measured the ID with calipers. Exactly 75mm as described. Very happy.

5 FAQ

Q: Do I need to ream these after installation?

A: Standard press fit usually does not require reaming, but check tolerance specs.

Q: Can these be used outdoors?

A: Yes, the composite material offers good weather and corrosion resistance.

Q: Are these suitable for high-speed rotation?

A: These are best suited for low to medium speed oscillating or sliding movements.

Q: What is the shaft hardness requirement?

A: We recommend a shaft hardness of at least 200 HB for optimal performance.

Q: Do you offer bulk pricing for 100 units?

A: Please contact our sales department directly for bulk order discounts.

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