20B-3 Maintenance-Free Roller Chains According to DIN 8187
20B-3 maintenance-free roller chains (1 1/4″ × 3/4″), also known as self-lubricating or lube-free chains, are a special type of triplex drive chains. They have the same dimensions as standard roller chains according to ISO 606 (DIN 8187), meaning they belong to the European B-series.
The chains consist of outer links with pins and inner links with bushes, on which freely rotating rollers are mounted. The chains are made of steel, while the bushes are made of a special sintered metal impregnated with lubricant.
Products are sorted by manufacturer, packaging and type of component.
20B-3-MF KettenWulf LF (Maintenance-Free, 1 1/4” × 3/4”, DIN 8187) - 5 m Pack (+ 2 Connecting Links)
Roller Chain
At Supplier
Within 2 Weeks Usual time this product is ready for shipping. Actual availability may vary due to unforeseen circumstances in exceptional cases.
Price per 1 m: We sell in 5 m pack. For easy comparison with alternative products, we present the price per 1 m.
Price on Request The chain price is calculated after receiving information about up-to-date prices from our suppliers. Please, fill in your email address and the required number of pieces and submit the form on the product page. The price and delivery conditions will be answered by email.
20B-3 Kettenwulf LF Straight Connecting Link (1 1/4” × 3/4”, DIN 8187)
Roller Chain
At Supplier
Within 2 Weeks Usual time this product is ready for shipping. Actual availability may vary due to unforeseen circumstances in exceptional cases.
Price on Request The chain price is calculated after receiving information about up-to-date prices from our suppliers. Please, fill in your email address and the required number of pieces and submit the form on the product page. The price and delivery conditions will be answered by email.
Products are sorted by manufacturer, packaging and type of component.
Chains Construction
- Inner link
- Outer link
- Wear-resistant chromed pin
- High-strength sintered metal bush impregnated with lubricant
- Corrosion-resistant nickel-plated roller
Chains Fields of Use
20B-3 maintenance-free roller chains according to DIN 8187 are intended for demanding applications where relubrication is not possible or where operating conditions do not allow the use of standard roller chains.
They are most commonly used as drive chains but can also be fitted with attachments or other auxiliary components for material handling and lifting applications.
Chains Material
Steel. Chain bushes are made of a special sintered metal impregnated with lubricant.
Chains Code Description
Example:
20B-3-MF KettenWulf LF (Maintenance-Free, 1 1/4″ × 3/4″, DIN 8187) - 5 m Pack
| Code Part | Description |
|---|---|
| 20B-3 | Chain type (ISO 606 / DIN 8187, B-series) |
| 3 | Triplex roller chain |
| MF | Maintenance-free: a lube-free or self-lubricating design |
| KettenWulf | Manufacturer |
| LF | Chain type according to the manufacturer's designation |
| Maintenance-Free | Chain design |
| 1 1/4″ × 3/4″ | Pitch × internal width |
| DIN 8187 | European chain standard (B-series) |
| 5 m Pack | Standard pack length |
Documents for Download
Related Products
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Standard chain sliding guides fixed separately directly on the machines.
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