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Hub diameters may vary to suit bore sizes.
Finished Bore Spkt
Finished Bore Sprockets-2
Unit of Measure
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Item #

Style

Chain Size

No. Teeth

Finished Bore Diameter

Max. Bore

Weight

Industry Equivalent

Quantity
50B39F-1G N/A B N/A 50 N/A 39 N/A 1.438 in N/A 2.250 in N/A 6.020 lb N/A
50B39F-1H N/A B N/A 50 N/A 39 N/A 1.500 in N/A 2.250 in N/A 6.020 lb N/A 50BS39 1 1/2
50B39F-1L N/A B N/A 50 N/A 39 N/A 1.750 in N/A 2.250 in N/A 6.020 lb N/A 50BS39 1 3/4
50B39F-1R N/A B N/A 50 N/A 39 N/A 1.938 in N/A 2.250 in N/A 6.020 lb N/A 50BS39 1 15/16
50B40FL N/A B N/A 50 N/A 40 N/A 0.750 in N/A 2.250 in N/A 6.200 lb N/A 50BS40 3/4
50B40FP N/A B N/A 50 N/A 40 N/A 0.875 in N/A 2.250 in N/A 6.200 lb N/A 50BS40 7/8
50B40F-1 N/A B N/A 50 N/A 40 N/A 1.000 in N/A 2.250 in N/A 6.200 lb N/A 50BS40 1
50B40F-1B N/A B N/A 50 N/A 40 N/A 1.125 in N/A 2.250 in N/A 6.200 lb N/A 50BS40 1 1/8
50B40F-1C N/A B N/A 50 N/A 40 N/A 1.188 in N/A 2.250 in N/A 6.200 lb N/A 50BS40 1 3/16
50B40F-1D N/A B N/A 50 N/A 40 N/A 1.250 in N/A 2.250 in N/A 6.200 lb N/A 50BS40 1 1/4
50B40F-1F N/A B N/A 50 N/A 40 N/A 1.375 in N/A 2.250 in N/A 6.200 lb N/A 50BS40 1 3/8
50B40F-1G N/A B N/A 50 N/A 40 N/A 1.438 in N/A 2.250 in N/A 6.200 lb N/A 50BS40 1 7/16
50B40F-1H N/A B N/A 50 N/A 40 N/A 1.500 in N/A 2.250 in N/A 6.200 lb N/A 50BS40 1 1/2
50B40F-1L N/A B N/A 50 N/A 40 N/A 1.750 in N/A 2.250 in N/A 6.200 lb N/A 50BS40 1 3/4
50B40F-1R N/A B N/A 50 N/A 40 N/A 1.938 in N/A 2.250 in N/A 6.200 lb N/A 50BS40 1 15/16
50B41FL N/A B N/A 50 N/A 41 N/A 0.750 in N/A 2.250 in N/A 6.450 lb N/A
50B41FP N/A B N/A 50 N/A 41 N/A 0.875 in N/A 2.250 in N/A 6.450 lb N/A
50B41F-1 N/A B N/A 50 N/A 41 N/A 1.000 in N/A 2.250 in N/A 6.450 lb N/A
50B41F-1B N/A B N/A 50 N/A 41 N/A 1.125 in N/A 2.250 in N/A 6.450 lb N/A
50B41F-1C N/A B N/A 50 N/A 41 N/A 1.188 in N/A 2.250 in N/A 6.450 lb N/A
50B41F-1D N/A B N/A 50 N/A 41 N/A 1.250 in N/A 2.250 in N/A 6.450 lb N/A
50B41F-1F N/A B N/A 50 N/A 41 N/A 1.375 in N/A 2.250 in N/A 6.450 lb N/A
50B41F-1G N/A B N/A 50 N/A 41 N/A 1.438 in N/A 2.250 in N/A 6.450 lb N/A
50B41F-1H N/A B N/A 50 N/A 41 N/A 1.500 in N/A 2.250 in N/A 6.450 lb N/A
50B41F-1L N/A B N/A 50 N/A 41 N/A 1.750 in N/A 2.250 in N/A 6.450 lb N/A
Unit of Measure
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