Skip to main content
Home / USB Multi-Function Power Bank / SF Self-Lubricating Composite Bearing Oil-Impregnated Bearing Composite Bronze Sleeve Oil-Free Bushing Shaft Sleeve Guide Sleeve SF12810-3240

Attributes

Brand -
Category 3C Digital Accessories / USB Multi-Function Power Bank
Origin -
Material Self-lubricating composite bronze with oil impregnation
Model Number SF12810-3240
Inner Diameter 12 mm
Outer Diameter 16 mm
Length 20 mm
Load Capacity High static and dynamic load resistance
Operating Temperature -40°C to +110°C
Friction Coefficient Low friction, maintenance-free operation
Application Automotive, machinery, and industrial guide sleeves
Finish Precision machined smooth surface

6 reviews

A

Anonymous

Mar 26, 2026

Rating: 4/5

Good quality, fast shipping

The build quality is solid. They handle high loads well, though I wish the packaging was slightly more robust.

A

Anonymous

Mar 21, 2026

Rating: 5/5

Great value for money

Compared to other brands, these offer better performance at a lower price point. Will buy again.

A

Anonymous

Mar 12, 2026

Rating: 5/5

Excellent durability

Been using these for three months in a high-vibration environment. No wear signs yet. Highly recommended.

A

Anonymous

Mar 12, 2026

Rating: 4/5

Works as described

Does exactly what it says on the tin. Oil-free operation is a huge plus for clean environments.

A

Anonymous

Mar 02, 2026

Rating: 5/5

Perfect fit for my machinery

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

A

Anonymous

Mar 02, 2026

Rating: 5/5

Smooth operation

The shaft moves incredibly smoothly with these bushings installed. Zero noise during operation.

5 FAQ

Q: Is there a warranty included?

A: Yes, all our bearings come with a standard 1-year manufacturer warranty against defects.

Q: What is the maximum load capacity per unit?

A: The static load capacity is approximately 300 N/mm², depending on the specific application conditions.

Q: Do I need to apply additional grease during installation?

A: No, these are self-lubricating and oil-impregnated. Additional grease is not required and may attract dust.

Q: Can these be used with stainless steel shafts?

A: Yes, they are compatible with stainless steel, hardened steel, and chrome-plated shafts.

Q: Are these bearings suitable for outdoor use?

A: Yes, they are designed to withstand various weather conditions within the specified temperature range.

Explore your interests

View More
All Categories
Best Seller (30)
New List (30)
Rectangular Plastic Vegetable Planter for Balcony - Durable Home Gardening Pot

Rectangular Plastic Vegetable Planter for Balcony - Durable Home Gardening Pot

$12.90

Chinese Painting Line Drawing Copybook, Gongbi Sketch Template, Large-Scale Tracing Album, Ancient Style Brush Control and Line Practice Book

Chinese Painting Line Drawing Copybook, Gongbi Sketch Template, Large-Scale Tracing Album, Ancient Style Brush Control and Line Practice Book

$7.48

German Continental Tires 225/45R17 Run-Flat, 19-Inch Original Authentic with Full Tread Patterns

German Continental Tires 225/45R17 Run-Flat, 19-Inch Original Authentic with Full Tread Patterns

$380.00

Dynamic Sheet Music Simplified Notation Accompaniment for Electric Wind Instrument Saxophone Hulusi Ocarina Flute Bamboo Flute

Dynamic Sheet Music Simplified Notation Accompaniment for Electric Wind Instrument Saxophone Hulusi Ocarina Flute Bamboo Flute

$10.00

LL Industrial Lint-free Wiping Paper - Oil and Water Absorbent Non-woven Fabric (White/Blue Large Roll)

LL Industrial Lint-free Wiping Paper - Oil and Water Absorbent Non-woven Fabric (White/Blue Large Roll)

$185.82

Continental Quiet Used Car Tires 225/235/245/255/265-35/40/45/50 R17/18/19/20/21/22/23

Continental Quiet Used Car Tires 225/235/245/255/265-35/40/45/50 R17/18/19/20/21/22/23

$284.00

Negotiable Price: Siemens Load Cell 7mh4106-5ec11, Brand New Unused, Contact for Price Negotiation

Negotiable Price: Siemens Load Cell 7mh4106-5ec11, Brand New Unused, Contact for Price Negotiation

$1,332.00

Premium Over-Toilet Storage Organizer, Wall-Mounted Bathroom Shelf, No Drilling Required, Multi-Function Toilet Rack

Premium Over-Toilet Storage Organizer, Wall-Mounted Bathroom Shelf, No Drilling Required, Multi-Function Toilet Rack

$31.76

Model 2000 Large Commercial Vegetable Cutter for Slicing, Dicing, and Cutting Leafy Greens and Kimchi

Model 2000 Large Commercial Vegetable Cutter for Slicing, Dicing, and Cutting Leafy Greens and Kimchi

$11,000.00

Aromatherapy Candle Tool Set - Includes Igniter, Snuffer, Wick Trimmer, Flame Extinguisher Cover, and Rotating Carousel Ornament

Aromatherapy Candle Tool Set - Includes Igniter, Snuffer, Wick Trimmer, Flame Extinguisher Cover, and Rotating Carousel Ornament

$2.55

onlycook 304 Stainless Steel Kitchen Rack with Narrow Edge for Sink, Dishcloth Drainer, and Sponge Basket

onlycook 304 Stainless Steel Kitchen Rack with Narrow Edge for Sink, Dishcloth Drainer, and Sponge Basket

$36.50

7-Piece Square Succulent Pot Set with Trays - Durable Plastic Colorful Root-Control Planters

7-Piece Square Succulent Pot Set with Trays - Durable Plastic Colorful Root-Control Planters

$75.50

Minimalist Japanese Style Kitchen Sponge Brush Dish Soap Drain Rack Air-Dry Cloth Rack Sink Organizer Box

Minimalist Japanese Style Kitchen Sponge Brush Dish Soap Drain Rack Air-Dry Cloth Rack Sink Organizer Box

$21.00

PVC Cable Cover Speed Bump Style Wire Protector for Indoor Cables and Pipes

PVC Cable Cover Speed Bump Style Wire Protector for Indoor Cables and Pipes

$9.10

Spiegel BGF-161 Portable Tire Stone Removal Hook - Multi-function Tool for Cleaning Car Tire Treads

Spiegel BGF-161 Portable Tire Stone Removal Hook - Multi-function Tool for Cleaning Car Tire Treads

$7.84

7A Natural Amethyst Purple Rabbit Hair Loose Beads for Women's DIY Bracelets and Snowflake Necklaces

7A Natural Amethyst Purple Rabbit Hair Loose Beads for Women's DIY Bracelets and Snowflake Necklaces

$3.83

DIY Handmade Soap Silicone Mold, Essential Oil Soap, Creative Gift Soap Base and Aromatherapy Materials, Love Forever Design

DIY Handmade Soap Silicone Mold, Essential Oil Soap, Creative Gift Soap Base and Aromatherapy Materials, Love Forever Design

$12.90

Flameless Aromatherapy Diffuser with Essential Oils, Dried Flowers, and Preserved Flower Decor

Flameless Aromatherapy Diffuser with Essential Oils, Dried Flowers, and Preserved Flower Decor

$13.60

DOUBLECOIN 7.00R16LT-14 (RSS2) All-Steel Radial Truck Tire - Economical and Wear-Resistant

DOUBLECOIN 7.00R16LT-14 (RSS2) All-Steel Radial Truck Tire - Economical and Wear-Resistant

$1,375.00

Tactical Laser Flashlight, Super Bright Rechargeable Mini Portable Light for Outdoor Long-Range Use, Home Multi-Function Zoom

Tactical Laser Flashlight, Super Bright Rechargeable Mini Portable Light for Outdoor Long-Range Use, Home Multi-Function Zoom

$339.22

MOOCAT [Polaroid Style] Hand-drawn Blank Irregular Wood Pulp Fine-grain Paper for Cyanotype, Street Vending, and Art Projects

MOOCAT [Polaroid Style] Hand-drawn Blank Irregular Wood Pulp Fine-grain Paper for Cyanotype, Street Vending, and Art Projects

$11.90

New Pearl Mini Watercolor Solid Set – Portable Travel Sketchbook & Palette Kit for Students, 12 Colors with Magnetic Transparent Case

New Pearl Mini Watercolor Solid Set – Portable Travel Sketchbook & Palette Kit for Students, 12 Colors with Magnetic Transparent Case

$5.78

Natural Cream-Body Green Rutilated Quartz Loose Beads - DIY Handmade Beading Accessories including Spacer Beads and Multi-Gem Bracelet Components

Natural Cream-Body Green Rutilated Quartz Loose Beads - DIY Handmade Beading Accessories including Spacer Beads and Multi-Gem Bracelet Components

$5.25

Fresh Milk Beverage Production Equipment – Small Pasteurization Tank & Fermented Liquid Yogurt Tank

Fresh Milk Beverage Production Equipment – Small Pasteurization Tank & Fermented Liquid Yogurt Tank

$6,580.00

Mold Mirror Polishing Cloth - Removes Material Marks, Available in Red, Yellow, White; Self-Adhesive Velvet for High-Gloss Mirror Finishing

Mold Mirror Polishing Cloth - Removes Material Marks, Available in Red, Yellow, White; Self-Adhesive Velvet for High-Gloss Mirror Finishing

$21.60

High Borosilicate Glass Cup, DIY Scented Candle Transparent Round Cup, Soy Wax Jelly Cup, Wax Molding Empty Container

High Borosilicate Glass Cup, DIY Scented Candle Transparent Round Cup, Soy Wax Jelly Cup, Wax Molding Empty Container

$2.38

Natural Aquamarine Black Flash Loose Beads for DIY Handmade Jewelry, Stringing Beads, and Round Beads

Natural Aquamarine Black Flash Loose Beads for DIY Handmade Jewelry, Stringing Beads, and Round Beads

$0.88

Touchmark Watercolor Sketchbook for Acrylic Markers and Colored Pencils, Mini Portable Pocket Painting Book for Children and Outdoor Sketching

Touchmark Watercolor Sketchbook for Acrylic Markers and Colored Pencils, Mini Portable Pocket Painting Book for Children and Outdoor Sketching

$6.74

Kunzite Loose Beads Donghai Crystal Agate Chalcedony Jade Gemstone Bracelet Pendant Single Bead Cat's Eye Accessories

Kunzite Loose Beads Donghai Crystal Agate Chalcedony Jade Gemstone Bracelet Pendant Single Bead Cat's Eye Accessories

$6.72

FAW J6P Wiper Arm Assembly for JH6/J6M/J6L, Large and Small J6 Trucks and Tractors

FAW J6P Wiper Arm Assembly for JH6/J6M/J6L, Large and Small J6 Trucks and Tractors

$11.00