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Home / Bearings & Bushings / Oil-Free Bushing, SF1 Composite Bearing, Self-Lubricating Oil-Impregnated Shaft Sleeve, Wear-Resistant Sleeve, Bronze/Iron Sleeve, ID 55mm

Attributes

Brand -
Category Industrial Small Parts / Bearings & Bushings
Origin -
Material Composition SF1 Composite (PTFE, Bronze, Steel)
Inner Diameter 55 mm
Outer Diameter 60 mm
Bushing Length 50 mm
Dynamic Load Capacity 140 N/mm²
Static Load Capacity 250 N/mm²
Maximum Operating Temperature +110°C
Minimum Operating Temperature -40°C
Coefficient of Friction 0.03 - 0.15
Surface Finish Smooth PTFE Layer

5 reviews

A

Anonymous

Apr 02, 2026

Rating: 5/5

Excellent for Automation

Replaced old bushings in our conveyor system. These fit perfectly and run smoothly without additional grease.

A

Anonymous

Mar 22, 2026

Rating: 4/5

Fast Shipping

Product arrived quickly and matches the description. Inner diameter measurement is accurate.

A

Anonymous

Feb 19, 2026

Rating: 4/5

Good Fitment

Slightly tight initially but seated well after press fit. Performance is solid for the price point.

A

Anonymous

Feb 11, 2026

Rating: 5/5

No Maintenance Needed

Running dry in a dusty environment. No signs of wear after three months of continuous operation.

A

Anonymous

Feb 10, 2026

Rating: 5/5

Durable Construction

Withstood high vibration levels in our testing rig. The composite material holds up well under stress.

5 FAQ

Q: What housing tolerance is recommended for installation?

A: We recommend a standard H7 housing tolerance for optimal press fit.

Q: What is the maximum sliding speed recommended?

A: Typically up to 1.0 m/s depending on load and temperature conditions.

Q: Are bulk discounts available for orders over 50 units?

A: Yes, please contact our sales team directly for pricing on larger quantities.

Q: Is the bronze layer corrosion resistant?

A: Yes, the porous bronze layer is impregnated and protected for standard industrial environments.

Q: Do these bushings require grease lubrication?

A: No, these are self-lubricating SF1 composite bearings designed to run dry.

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