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Home / Bearings & Bushings / SF1 Composite Bearing/Oil-Free Liner/Bronze Bushing/Sleeve/Self-Lubricating Oil-Impregnated Bearing ID 17 18 19 20

Attributes

Brand -
Category Industrial Small Parts / Bearings & Bushings
Origin -
Material Composition SF1 Composite (PTFE + Bronze + Steel)
Inner Diameter Options 17mm, 18mm, 19mm, 20mm
Outer Diameter Tolerance H7 Standard Fit
Wall Thickness 1.0mm - 1.5mm (Size Dependent)
Max Static Load Capacity 140 N/mm²
Max Dynamic Load Capacity 18 N/mm²
Operating Temperature Range -40°C to +110°C
Coefficient of Friction 0.03 - 0.20
Certification RoHS Compliant
Package Quantity 10 Pieces per Pack

5 reviews

A

Anonymous

Apr 19, 2026

Rating: 5/5

Fast Shipping

Exactly what I needed for my automotive linkage. The self-lubricating feature works well and reduces maintenance.

A

Anonymous

Apr 02, 2026

Rating: 4/5

Solid Performance

Works as expected for plain bearing applications. Wish the outer diameter dimensions were listed more clearly in the title.

A

Anonymous

Apr 01, 2026

Rating: 5/5

Durable Choice

Been using these for 6 months in a high-vibration environment. No visible wear yet and performance remains consistent.

A

Anonymous

Mar 15, 2026

Rating: 5/5

Perfect for CNC Retrofit

Fit perfectly on my 18mm shafts. Very smooth operation after the initial break-in period. Highly recommend for precision machinery.

A

Anonymous

Mar 03, 2026

Rating: 4/5

Good Value

Quality is decent for the price. One bushing was slightly tight and required reaming, but the rest were spot on.

5 FAQ

Q: Are they resistant to corrosion in outdoor settings?

A: The bronze layer offers good resistance, but we recommend avoiding exposure to harsh chemicals or saltwater.

Q: Can these bearings handle high RPM applications?

A: These are designed for low to medium speed oscillating motions rather than continuous high RPM rotation.

Q: Can I press these into the housing manually?

A: Yes, but we recommend using a proper arbor press to ensure even insertion and avoid damaging the lining.

Q: What is the exact Outer Diameter for the 20mm ID version?

A: Approximately 22mm, but please measure your housing tolerance as it may vary slightly by batch.

Q: Do these require additional grease during installation?

A: They are self-lubricating, but applying a thin layer of initial grease can help during the break-in period.

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