52 (ISO 10B)

Metric Standard Sprockets

A stocked pre-Bored sprocket includes a Standard Finished Bore to h8 Tolerance Plus a Standard Keyway and two standard set screw over keyway and at 90º (Unless indicated differently)

If a standard bore size is not in stock the cost to Bore Keyway and setscrew is $110 (large heavy sprockets may be slightly more)

DIN 8187

ISO 606 B

BS 228

Part Number Example:

52B34

52 = Single Strand Ametric® Sprocket

(2052 = Double Strand Ametric® Sprocket)

(3052 = Triple Strand Ametric® Sprocket )

(5/8 Inch Pitch x 3/8 Inch Tooth Width to European/British Standard)

10 B ISO Roller Chain Sprocket

B = With Hub (A = No Hub)

34 = 34 teeth

(34H = 34 Hardened Teeth -- See Flame Hardened Section)

(34SS = 34 Teeth Stainless Steel -- See Stainless Steel Section)

34PM = 34 Teeth Plastic Molded -- See Plastic Injection Molded Section)
PDF - Sprockets-MetricBSMinimumplainbore.pdf