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U.S. Tsubaki Poly-Steel chains are made to exacting specifications from polyacetal stainless steel.
The combination of polyacetal inner links and 304 stainless steel pins and outer link plates effectively incorporates the advantages of both materials into one chain. U.S. Tsubaki Poly-Steel chains can be used in both driving and conveying applications.
Unit of Measure



N/A 40

P - Pitch

N/A 0.500 in

B - Bushing Diameter

N/A 0.312 in

W - Width Between Roller Link Plates

N/A 0.312 in

Approx. Weight

N/A 0.260 lb/ft


N/A White

Maximum Allowable Load

N/A 99 lb

Link Plate


N/A 0.060 in


N/A 0.060 in


N/A 0.472 in


N/A 0.409 in

Pin Specifications


N/A 0.156 in


N/A 0.325 in


N/A 0.392 in

Additional Information

N/A 1. Offset links are not available. Please use an even number of links.
2. Existing RS standard sprockets can be used.
3. RF40PC to RF60PC use the same connecting links as stainless steel chain. RF25PC and RF35PC use special connecting links.
4. When replacing stainless steel chain with Poly-Steel chain, please check the chain tension. Chain tension should be less than the maximum allowable tension.
5. Ambient temperature range: -14°F ~ 176°F (-10°C ~ 80°C)
6. Maximum chain speed: less than 230 ft./min.
7. Coefficient of sliding friction between chain and guide rail is 0.25 (without lubrication).
8. The guide rail should support the bottom side of the links.
9. The color of the inner links is WHITE.

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