Skip to main content
Home / Bearings & Bushings / 304 440 Stainless Steel Bearing Waterproof S6800Z 6801 6802 6803 6804 6805 6806

Attributes

Brand -
Category Industrial Small Parts / Bearings & Bushings
Origin -
Material Stainless Steel 304 / 440C
Seal Type Double Rubber Seal (2RS)
Precision Grade ABEC-1 / ABEC-3
Cage Material Steel Stampings
Lubrication Pre-greased (Food Grade)
Inner Diameter 10mm - 30mm (Model Dependent)
Outer Diameter 19mm - 42mm (Model Dependent)
Width 5mm - 9mm (Model Dependent)
Dynamic Load Rating 1.5kN - 5.0kN
Temperature Range -20°C to +120°C

5 reviews

A

Anonymous

Mar 08, 2026

Rating: 5/5

Fast shipping

Product arrived well packaged and genuine.

A

Anonymous

Feb 16, 2026

Rating: 5/5

Perfect for marine use

Used these on my boat trailer hubs. No rust after a season.

A

Anonymous

Feb 15, 2026

Rating: 5/5

Exact fit

Replaced old bearings in my fishing reel. Smooth operation.

A

Anonymous

Feb 14, 2026

Rating: 4/5

Good quality

Solid build, slightly stiff at first but loosened up.

A

Anonymous

Feb 13, 2026

Rating: 5/5

Corrosion resistant

Works great in high humidity environment.

5 FAQ

Q: Is this compatible with Shimano reels?

A: Yes, please check the specific size chart for your model number.

Q: Do you offer bulk discounts?

A: Yes, please contact us directly for orders over 50 units.

Q: What is the difference between 304 and 440?

A: 440 offers higher hardness, while 304 provides better overall corrosion resistance.

Q: Can I regrease these bearings?

A: Yes, the seals are removable with care for maintenance.

Q: What is the max RPM?

A: Depends on size, typically up to 10,000 RPM for smaller sizes.

Explore your interests

View More
All Categories
Best Seller (30)
New List (30)
CANDLE.LAB | Realistic Cookie Series DIY Aromatherapy Plaster Candle Diffuser Handmade Silicone Mold

CANDLE.LAB | Realistic Cookie Series DIY Aromatherapy Plaster Candle Diffuser Handmade Silicone Mold

$12.00

Zhao Mengfu Calligraphy Copybook - Running Script 'Qingyun Zhi', Red-Traced Practice Paper for Beginners in Calligraphy

Zhao Mengfu Calligraphy Copybook - Running Script 'Qingyun Zhi', Red-Traced Practice Paper for Beginners in Calligraphy

$15.80

Aesthetic Street Scene Watercolor Line Art for Coloring, 16K Landscape Watercolor Coloring Book, Painting Book, Cotton Pulp Watercolor Album

Aesthetic Street Scene Watercolor Line Art for Coloring, 16K Landscape Watercolor Coloring Book, Painting Book, Cotton Pulp Watercolor Album

$15.80

Warehouse Nitrogen Sealing Generator - High-Purity Food-Grade PSA Skid-Mounted Container Equipment

Warehouse Nitrogen Sealing Generator - High-Purity Food-Grade PSA Skid-Mounted Container Equipment

$959.00

Ransheng UV Resin Gel, UV Crystal Glue for Gemstones, Ear Cuff Sealing, Dried Flower Molds, DIY Quick-Dry UV Epoxy

Ransheng UV Resin Gel, UV Crystal Glue for Gemstones, Ear Cuff Sealing, Dried Flower Molds, DIY Quick-Dry UV Epoxy

$44.00

Dairy Processing Production Line, Pasteurized Milk Equipment, Low-Temperature Sterilization and Fermentation Machine for Cow and Camel Milk

Dairy Processing Production Line, Pasteurized Milk Equipment, Low-Temperature Sterilization and Fermentation Machine for Cow and Camel Milk

$8,203.00

Blue Lint-Free Wiping Paper - Industrial Large Roll Oil-Absorbent Shop Towels

Blue Lint-Free Wiping Paper - Industrial Large Roll Oil-Absorbent Shop Towels

$62.00

Green-Red AB Glue 5-Minute Fast-Drying Acrylate AB Glue for Glass Ceramic Metal Structural Adhesive Quick Set

Green-Red AB Glue 5-Minute Fast-Drying Acrylate AB Glue for Glass Ceramic Metal Structural Adhesive Quick Set

$18.13

Northern Wei Dynasty Inscriptions: Twenty Pieces from Longmen [Rubbing] - Original Size Wei Bei Calligraphy Copybook from Luoyang Longmen Grottoes

Northern Wei Dynasty Inscriptions: Twenty Pieces from Longmen [Rubbing] - Original Size Wei Bei Calligraphy Copybook from Luoyang Longmen Grottoes

$40.30

Ru Kiln Celadon Ceramic Brush Washer Set - Large, Medium, and Small Ink Dishes for Chinese Calligraphy and Painting Supplies

Ru Kiln Celadon Ceramic Brush Washer Set - Large, Medium, and Small Ink Dishes for Chinese Calligraphy and Painting Supplies

$88.80

Multi-Layer Over-Toilet Storage Rack for Bathroom, Laundry Room, and Balcony - Floor Standing Organizer

Multi-Layer Over-Toilet Storage Rack for Bathroom, Laundry Room, and Balcony - Floor Standing Organizer

$44.96

Wrought Iron Solid Stainless Steel Letters – Minimalist Space Signage, Custom Metal Advertising Letters for Storefronts & Feature Walls

Wrought Iron Solid Stainless Steel Letters – Minimalist Space Signage, Custom Metal Advertising Letters for Storefronts & Feature Walls

$10.00

Shimoyama 304 Stainless Steel Telescopic Rod - Kitchen Sink Cutting Board Support Rack for Dish Drying and Cloth Hanging

Shimoyama 304 Stainless Steel Telescopic Rod - Kitchen Sink Cutting Board Support Rack for Dish Drying and Cloth Hanging

$74.80

Modified Wheel Lug Nuts Forged Steel High Strength for Lafesta Regal CT4 Civic Accord Crown Mazda3

Modified Wheel Lug Nuts Forged Steel High Strength for Lafesta Regal CT4 Civic Accord Crown Mazda3

$209.00

Milk Separator Machine - Electric Cream Skimmer and Butter Churn for Home and Commercial Use (Cow and Goat Milk)

Milk Separator Machine - Electric Cream Skimmer and Butter Churn for Home and Commercial Use (Cow and Goat Milk)

$946.00

Three-Phase Auto-Reclosing Leakage Circuit Breaker - Smart Phase Loss, Undervoltage, Overload Protection with 485 Communication for PV Grid Connection

Three-Phase Auto-Reclosing Leakage Circuit Breaker - Smart Phase Loss, Undervoltage, Overload Protection with 485 Communication for PV Grid Connection

$693.20

Multi-Function Vegetable Cutter Commercial Electric for Cafeterias Fully Automatic Chili Scallion Chopper Imitation Hand-Cut Leek Machine

Multi-Function Vegetable Cutter Commercial Electric for Cafeterias Fully Automatic Chili Scallion Chopper Imitation Hand-Cut Leek Machine

$1,600.00

Zhengtong ZT30 Fog Cannon - Micron-Level Humidification & Cooling Spray System for Steel Mills

Zhengtong ZT30 Fog Cannon - Micron-Level Humidification & Cooling Spray System for Steel Mills

$6,000.00

100Pcs Custom Clothing Hang Tags Personalized Plastic Securi

100Pcs Custom Clothing Hang Tags Personalized Plastic Securi

$125.94

Wall-Mounted Bathroom Storage Shelf, No-Drill Organizer for Sink, Shower, and Toilet Area

Wall-Mounted Bathroom Storage Shelf, No-Drill Organizer for Sink, Shower, and Toilet Area

$5.76

Thickened 5mm Wool Felt Mat for Calligraphy Practice - Premium Writing Pad for Students and Beginners, Part of Four Treasures of the Study Set

Thickened 5mm Wool Felt Mat for Calligraphy Practice - Premium Writing Pad for Students and Beginners, Part of Four Treasures of the Study Set

$2.80

Multi-Function Car Tire Stone Removal Tool with Hook for Picking Out Rocks

Multi-Function Car Tire Stone Removal Tool with Hook for Picking Out Rocks

$4.06

Label Stripping Machine – Semi-Automatic Unit for Beer, Baijiu, and Glass Bottle Label Removal; Custom Manufacturing Available

Label Stripping Machine – Semi-Automatic Unit for Beer, Baijiu, and Glass Bottle Label Removal; Custom Manufacturing Available

$19,980.00

High-Strength Manganese Steel Lifting Chain 6*18mm G80 Wear-Resistant Towing Chain

High-Strength Manganese Steel Lifting Chain 6*18mm G80 Wear-Resistant Towing Chain

$84.34

Touchmark Acrylic Markers for Elementary Art, Washable Watercolor Pens for Kids' Drawing and Painting

Touchmark Acrylic Markers for Elementary Art, Washable Watercolor Pens for Kids' Drawing and Painting

$10.80

Official Flagship Store Steel Tongue Drum, C Key, 6-inch, 11 Notes, Carbon Steel Performance Grade Instrument for Kids and Students

Official Flagship Store Steel Tongue Drum, C Key, 6-inch, 11 Notes, Carbon Steel Performance Grade Instrument for Kids and Students

$41.10

Outdoor Waterproof Backpack Camouflage Dry Bag with Wet/Dry Separation for Swimming, Rafting, and Trekking

Outdoor Waterproof Backpack Camouflage Dry Bag with Wet/Dry Separation for Swimming, Rafting, and Trekking

$8.42

[Save $50 on Order] Bundle: 5 Notebooks + 2 Pens + 20 Refills + 2 Grip Correctors

[Save $50 on Order] Bundle: 5 Notebooks + 2 Pens + 20 Refills + 2 Grip Correctors

$39.90

Sketching Tool Set for Art Students - Includes Blending Stumps, Tortillons, Paper Stumps, Sponge Balls, Cotton Swabs, Highlight Pens, Gray Tone Tools, Insert Knives, Smudging Knives, Scrapers, and Blending Cotton

Sketching Tool Set for Art Students - Includes Blending Stumps, Tortillons, Paper Stumps, Sponge Balls, Cotton Swabs, Highlight Pens, Gray Tone Tools, Insert Knives, Smudging Knives, Scrapers, and Blending Cotton

$7.65

Suede Rope Korean Velvet Rope DIY Aromatherapy Candle Plaster Tag Hanging Cord Packaging Gift Box Ribbon Decorative Leather Rope

Suede Rope Korean Velvet Rope DIY Aromatherapy Candle Plaster Tag Hanging Cord Packaging Gift Box Ribbon Decorative Leather Rope

$0.85