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Home / Bearings & Bushings / SF1-5530/5540/5550 Self-Lubricating Oil-Impregnated Bearing / Composite Bearing / Oil-Free Bushing / Shaft Sleeve / Copper Sleeve

Attributes

Brand -
Category Industrial Small Parts / Bearings & Bushings
Origin -
Material Composition Sintered Bronze Composite
Lubrication System Oil-Impregnated (Self-Lubricating)
Product Series SF1-5530 / 5540 / 5550
Bearing Style Sleeve Bushing
Inner Diameter Tolerance H7/H8 Standard
Operating Temperature Range -10°C to +120°C
Static Load Capacity 140 N/mm²
Maximum Sliding Speed 2.5 m/s
Surface Treatment Smooth Machined Finish
Primary Applications Automotive, Agricultural, Industrial Machinery

5 reviews

A

Anonymous

Apr 09, 2026

Rating: 5/5

Excellent self-lubricating performance

No need for constant greasing. These bushings run smoothly even under moderate load. Great value for the price point.

A

Anonymous

Mar 13, 2026

Rating: 4/5

Great value

Competitive pricing compared to local suppliers. Dimensions were accurate upon measurement. Would purchase again.

A

Anonymous

Feb 09, 2026

Rating: 5/5

Reliable for high load

Using these in a conveyor system. They handle the load well without overheating. The bronze composite is sturdy.

A

Anonymous

Feb 07, 2026

Rating: 4/5

Good quality, slight delay

The material quality is excellent and seems very durable. Shipping took a bit longer than expected, but the product itself meets all specifications.

A

Anonymous

Feb 07, 2026

Rating: 5/5

Perfect fit for my lathe

These bearings fit perfectly into my machinery setup. The self-lubricating feature saves me a lot of maintenance time. Highly recommended for industrial use.

5 FAQ

Q: Are these bearings metric or imperial sized?

A: These bearings are manufactured using metric dimensions. Please refer to the specific datasheet for exact measurements.

Q: Are these compatible with stainless steel shafts?

A: Yes, these bronze composite bearings are compatible with hardened steel and stainless steel shafts.

Q: Can I add extra grease to these oil-impregnated bushings?

A: It is generally not recommended as the internal oil reservoir is designed to provide sufficient lubrication. Adding external grease may clog the pores.

Q: What is the lead time for bulk orders?

A: Standard orders ship within 24 hours. Bulk orders over 500 units may require 3-5 business days for processing.

Q: Do you offer technical drawings for the SF1-5550 model?

A: Yes, technical drawings and CAD files are available upon request via our customer service portal.

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