For more information on a ten groove 105V1250J sheave
35B25 sprockets with a stock bore comes with the standard 1/2" ID hole with no keyway or set screws and can be easily machine bored to custom sizes
This 40SH25 sprocket is a durable
35BS26 1-1/8" Finished Bore Sprocket Dimensions:
This 5214-2RS Bearing is a high-precision premium double-sealed double-row angular contact ball bearing made to ABEC 3 precision standards from AXIS
AXIS 1658-2RS Bearing | ABEC 3 Sealed 1658-2RS Ball Bearing 2BK40 Pulley For more information on aAXIS Brand 1658 2RS ball bearing is manufactured with precision, performance, and longevity in mind. specifically, size 1658 2RS bearing utilizes the double seal design for keeping the premium Mobil Polyrex EM grease in, while keeping contents out, the benefit of this is longer performance and bearing protection. What sets AXIS brand deep groove 1658 2RS bearings apart from others is the utilization of grade 10 balls, a high strength steel retainer,