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120BS21 1 1/4" Finished Bore Sprocket Dimensions
including the TXT305
Bore: 7/8"
2TB48 Pulley Dimensions
and precision sprocket with 19 hardened teeth that is manufactured to accept a Q1 bushing
3TB74 Sheave three-groove 7.75" OD 212B Metric Roller Chain 120BS21 1 1/4" Finished BoreThis 3TB74 Pulley uses a Q1 series bushing, is directly interchangeable with other manufacturers, is 7. 75" in diameter, and is manufactured in accordance with ARPM Standard for safe operation. With B series TB pulleys you can use A, 4L, B, 5L, AX, BX, AA, and BB belts. What separates this three groove 3TB74 pulley from the others is that it is made using a high grade 35 cast iron, is phosphate coated, painted, and balanced at the factory. Using the
US$ 11.95
US$ 34.00
US$ 136.00
