All Categories > Roller Chain / Leaf Chain > Oil Field Roller Chains > Item # 121-3 Download PDF Download PDF Printable Page Email This Page Save To Favorites Please wait… Item # 121-3, Oil Field Roller Chains List Price QUOTE larger image These are high energy chains that conform to B29.1 ANSI specifications as well as the oil field industries API 7F7 Sstandards. They feature Ballized plates, Wide Waisted Link plates, Special hook cotters which resist shearing and maintain poisition under stress and coated T Pins in larger sizes. They also feature Solid Rollers and shot peened side bars.NOTE: Available in carbon steel. Cut to length chain available. Corrosion resistant finishes for components available upon request. Offsets not recommended/please contact Drives, Inc. Engineering. T-head cotters used on sizes 200, 264, and 240 Oil Field Chain. Heavy chain series available/MTO. Product specifications subject to change without notice. 121 series replaces 472 series. Unit of Measure: Imperial Specifications (P) Pitch 1-1/2 in (W) Width Between L.P. 0.750 in (D) Roller Dia. 0.875 in (H) Link Plate Dimension 1.425 in (T) Link Plate Dimension 0.187 in (d) Pin Dia. 0.437 in (E) Transverse Pitch 1.546 in (L3) Pin Dimension 0.994 in (L4) Pin Dimension 0.864 in Avg. Tensile Strength 135,300 lb Avg. Weight 10.080 lb/ft Number of Strands Across 3 Riveted MTO Cottered STD
