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Key Features and Specifications
- Dimensions: Inner Diameter (d) 20mm, Outer Diameter (D) 42mm, Width (B) 12mm.
- Material: POM (Polyoxymethylene/Acetal) inner and outer rings.
- Balls: Often glass, but can be stainless steel (e.g., SS316) for specific food-grade or corrosion-resistant needs.
- Performance: Good wear resistance, high rigidity, and excellent self-lubrication.
- Load Capacity: Dynamic around , Static around.
- Max Speed: Approximately 18,000–20,000 RPM in grease.
- Waterproof/Insulation: Non-magnetic, rust-proof, and suitable for high-humidity environments.
Common Applications
- Food processing machinery (due to corrosion resistance).
- Medical and pharmaceutical equipment.
- Submerged, wet, or chemical environments.
- Cleanroom applications requiring non-magnetic components.
Variations
- 6004-2RS: Sealed on both sides for enhanced debris protection.
- 6004-POMGLASS: Indicates use of glass balls.
Please check specific supplier data (e.g., this eBay listing) for precise load ratings as they can vary slightly between manufacturers.
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Web results
DOLUNTO 6004 2RS Ball Bearing Covered with POM ...
Amazon.com
https://www.amazon.com › DOLUNTO-Bearing-Covere...
Amazon.com
https://www.amazon.com › DOLUNTO-Bearing-Covere...
Item Number:BS600456-20 · Inner (d):20 mm; Outer (D):56 mm; Width (B):20 mm · Outer Race: POM · Built-in Bearing Model:6004-2RS · Bearing: 52100 Chrome Steel.Read more
6004-Z - 20mm x 42mm Deep Groove Ball Bearing - Accu
accu-components.com
https://accu-components.com › 590434-6004-Z-BNL
accu-components.com
https://accu-components.com › 590434-6004-Z-BNL
The 6004-Z - 20mm x 42mm Deep Groove Ball Bearing - Single Shield - POM (Acetal) has the following features: Dynamic Loading Rating: 362.97 N ... Inside Diameter ...Read more
Plastic Bearing POM 6004 Glass Balls 20mm x 42mm ...
eBay
https://www.ebay.com › itm
eBay
https://www.ebay.com › itm
POM 6004 Plastic Radial With Glass Bearing, Bearing is Polymer Raceways with glass. the dimensions are 20mm x 42mm x 12mm. Item: POM 6004 Bearing; Type ...Read more
6004-2RS Plastic Bearing - POM - SS316 Balls - Food Grade
VXB Bearings
https://vxb.com › products › 6004-2rs-plastic-bearing-p...
VXB Bearings
https://vxb.com › products › 6004-2rs-plastic-bearing-p...
This POM 6004-2RS bearing is a food-grade, corrosion-resistant radial ball bearing with stainless steel 316 balls and a plastic acetal (POM) body. Ideal for ...Read more
Deep groove ball bearing 6004-pomglass 20x42x12 mm
123bearing.com
https://www.123bearing.com › single-row › 6004-pomgl...
123bearing.com
https://www.123bearing.com › single-row › 6004-pomgl...
The Deep Groove Ball Bearing, known as 6004-POMGLASS from the brand Generic, has an inner diameter of 20 mm, an outer diameter of 42 mm and a thickness of 12 mm ...Read more
$5.231–2 day deliveryLifetime returns
Bearings, POM Bearing 6000 6001 6002 6003 6004 6005 ...
Amazon.com
https://www.amazon.com › Bearings-Bearing-Plastic-PO...
Amazon.com
https://www.amazon.com › Bearings-Bearing-Plastic-PO...
Buy Bearings, POM Bearing 6000 6001 6002 6003 6004 6005 6006 6007 Glass Balls Nylon Cage Plastic Ball Bearings(1pcs,POM6004 20x42x12mm): Deep-Groove Ball ...
People also ask
What are pom bearings?
POM bearings are made from a steel backing to which a sintered bronze layer is applied. A POM top layer is then applied to this bronze layer. The bronze intermediate layer ensures efficient heat dissipation and makes for a strong joint between the steel backing and the sliding surface.
POM bearings for marginally lubricated applications - THN
THN
https://www.thn.nl › product-line › plain-bearings › pom...
THN
https://www.thn.nl › product-line › plain-bearings › pom...
What is the 6004 bearing used for?
The 6004 bearing is used to support and facilitate the rotation of components such as wheels, motors, fans, and drums to ensure smooth operation and reliable performance. Its excellent durability, precision, and load-bearing capacity make the 6004 bearing an indispensable component in various equipment.Jun 3, 2025
Size Matters: The Impact of 6004 Bearing Dimensions on Performance
isk bearings
https://iskbearing.com › news › knowledge › 6004-beari...
isk bearings
https://iskbearing.com › news › knowledge › 6004-beari...
What is the difference between 6004 RS and 6004-2RS?
the 6004rs is only sealed on 1 side and 6004-2rs is sealed on both sides meets high standards!
What is the difference between 6004RS AND 6004-2RS
Amazon.com: Customer Questions & Answers
https://www.amazon.com › ask › questions
Amazon.com: Customer Questions & Answers
https://www.amazon.com › ask › questions
Web results
POM 6004 Bearing Suppliers,wholesale ...
Mklbearing
https://www.mklbearing.com › pom-6004-bearing_sp
Mklbearing
https://www.mklbearing.com › pom-6004-bearing_sp
Find POM 6004 Bearing manufacturers ,MKL are best POM 6004 Bearing suppliers from China,quickly wholesale POM 6004 Bearing at factory price,huge in stock ...
6004 POM Plastic Bearings 20x42x12mm Glass Ball and ...
Walmart Business
https://business.walmart.com › 6004-POM-Plastic-Bearin...
Walmart Business
https://business.walmart.com › 6004-POM-Plastic-Bearin...
Description: -Single row, open-type, light weight plastic bearings. -This ball bearing has races made of POM (Polyoxymethylene) for high rigidity and hardness.Read more
Plastic bearing POM 6004 Glass Ball 20X42X12 mm
NZ Miniature Bearings
https://nzminiaturebearings.com › product › plastic-beari...
NZ Miniature Bearings
https://nzminiaturebearings.com › product › plastic-beari...
This 20 x 42 x 12 mm (POM 6004) bearing is a plastic bearing with Glass ball . The POM 6004 inner diameter is 20 mm, the POM 6004 outer diameter is 42 mm, the ...Read more
CA$8.00NZ$60 delivery14-day returns
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Web results
Bearings, POM Bearing 6000 6001 6002 6003 6004 6005 ...
Amazon.com
https://www.amazon.com › Bearings-Bearing-Plastic-PO...
Amazon.com
https://www.amazon.com › Bearings-Bearing-Plastic-PO...
Bearings, POM Bearing 6000 6001 6002 6003 6004 6005 6006 6007 Glass Balls Nylon Cage Plastic Ball Bearings(5PCS,POM6004 20x42x12mm): Amazon.com: Industrial ...