Finished Bores

Aluminum Die Cast Sheave 4-1/2 x 5/8" 55421

Single groove aluminum sheave for 3L (3/8"), 4L - "A" type (1/2") V-beltsSupplied with 5/16 x 1/2" UNC set screwLight duty applications only*, use cast iron or steel sheaves for harsher environment applications Dynaline Catalog 

Aluminum Die Cast Sheave 4-1/2 x 1/2" 55420

Single groove aluminum sheave for 3L (3/8"), 4L - "A" type (1/2") V-beltsSupplied with 5/16 x 1/2" UNC set screwLight duty applications only*, use cast iron or steel sheaves for harsher environment applications Dynaline Catalog 

Aluminum Die Cast Sheave 4 x 3/4" 55419

Single groove aluminum sheave for 3L (3/8"), 4L - "A" type (1/2") V-beltsSupplied with 5/16 x 1/2" UNC set screwLight duty applications only*, use cast iron or steel sheaves for harsher environment applications Dynaline Catalog 

Aluminum Die Cast Sheave 4 x 5/8" 55418

Single groove aluminum sheave for 3L (3/8"), 4L - "A" type (1/2") V-beltsSupplied with 5/16 x 1/2" UNC set screwLight duty applications only*, use cast iron or steel sheaves for harsher environment applications Dynaline Catalog 

Aluminum Die Cast Sheave 4 x 1/2" 55417

Single groove aluminum sheave for 3L (3/8"), 4L - "A" type (1/2") V-beltsSupplied with 5/16 x 1/2" UNC set screwLight duty applications only*, use cast iron or steel sheaves for harsher environment applications Dynaline Catalog 

Aluminum Die Cast Sheave 3-1/2 x 3/4" 55416

Single groove aluminum sheave for 3L (3/8"), 4L - "A" type (1/2") V-beltsSupplied with 5/16 x 1/2" UNC set screwLight duty applications only*, use cast iron or steel sheaves for harsher environment applications Dynaline Catalog 

Aluminum Die Cast Sheave 3-1/2 x 5/8" 55415

Single groove aluminum sheave for 3L (3/8"), 4L - "A" type (1/2") V-beltsSupplied with 5/16 x 1/2" UNC set screwLight duty applications only*, use cast iron or steel sheaves for harsher environment applications Dynaline Catalog 

Aluminum Die Cast Sheave 3-1/2 x 1/2" 55414

Single groove aluminum sheave for 3L (3/8"), 4L - "A" type (1/2") V-beltsSupplied with 5/16 x 1/2" UNC set screwLight duty applications only*, use cast iron or steel sheaves for harsher environment applications Dynaline Catalog 

Aluminum Die Cast Sheave 3 x 3/4" 55413

Single groove aluminum sheave for 3L (3/8"), 4L - "A" type (1/2") V-beltsSupplied with 5/16 x 1/2" UNC set screwLight duty applications only*, use cast iron or steel sheaves for harsher environment applications Dynaline Catalog 

Aluminum Die Cast Sheave 3 x 5/8" 55412

Single groove aluminum sheave for 3L (3/8"), 4L - "A" type (1/2") V-beltsSupplied with 5/16 x 1/2" UNC set screwLight duty applications only*, use cast iron or steel sheaves for harsher environment applications Dynaline Catalog 

Aluminum Die Cast Sheave 3 x 1/2" 55411

Single groove aluminum sheave for 3L (3/8"), 4L - "A" type (1/2") V-beltsSupplied with 5/16 x 1/2" UNC set screwLight duty applications only*, use cast iron or steel sheaves for harsher environment applications Dynaline Catalog 

Aluminum Die Cast Sheave 2-1/2 x 3/4" 55410

Single groove aluminum sheave for 3L (3/8"), 4L - "A" type (1/2") V-beltsSupplied with 5/16 x 1/2" UNC set screwLight duty applications only*, use cast iron or steel sheaves for harsher environment applications Dynaline Catalog