Discover the New “My Dashboard” Experience

Join Eric Stasiowski, manager – online marketing & ecommerce, to see how you can save key items like documents, bearings, and distributor locations directly to your account.

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Analyze Bearing Performance in an Application with Timken ® Syber ® Bearing System Designer

A powerful software tool that combines calculators and configurators to assist you with application design, bearing selection, installation, and troubleshooting. It’s free, easy-to-use, and accessible 24/7.

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Simplified Gear Force Analysis

Alex Waye, Timken Application Engineer, shows you how to instantly compute tangential, radial, and axial forces for better design decisions.

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RunRight® inch (imperial) sprockets are available in both single and double strands. The inch (imperial) sprockets do not include idler bolt & nuts, as these are included with the RunRight™ inch (imperial) tensioner units.
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Part Number

Description 

Bore (Dim A)

Number of Teeth

ANSI Chain Size

Sprocket Number

Use with Tensioner Size

CAD

N/A 25BB20-IDLER SPROCKET N/A 0.375 in N/A 20 N/A 25 N/A 25BB20 N/A RT 11 N/A CAD
N/A 35BB19-IDLER SPROCKET N/A 0.500 in N/A 19 N/A 35 N/A 35BB19 N/A RT 15/18 N/A CAD
N/A 40BB18-IDLER SPROCKET N/A 0.500 in N/A 18 N/A 40 N/A 40BB18 N/A RT 15/18 N/A CAD
N/A 41BB18-IDLER SPROCKET N/A 0.500 in N/A 18 N/A 41 N/A 41BB18 N/A RT 15/18 N/A
N/A 50BB17-IDLER SPROCKET N/A 0.500 in N/A 17 N/A 50 N/A 50BB17 N/A RT 27 N/A CAD
N/A 60BB15-IDLER SPROCKET N/A 0.500 in N/A 15 N/A 60 N/A 60BB15 N/A RT 27 N/A CAD
N/A 80BB12-IDLER SPROCKET N/A 0.750 in N/A 12 N/A 80 N/A 80BB12 N/A RT 38 N/A CAD
N/A 100BB11-IDLER SPROCKET N/A 0.750 in N/A 11 N/A 100 N/A 100BB11 N/A RT 45 N/A CAD
N/A 120BB9-IDLER SPROCKET N/A 0.750 in N/A 9 N/A 120 N/A 120BB09 N/A RT 45 N/A CAD
N/A D-35BB19-DBL IDLER SPROCKET N/A 0.500 in N/A 19 N/A 35-2 N/A D35BB19 N/A RT 15/18 N/A CAD
N/A D-40BB18-DBL IDLER SPROCKET N/A 0.500 in N/A 18 N/A 40-2 N/A D40BB18 N/A RT 18 N/A CAD
N/A D-50BB17-DBL IDLER SPROCKET N/A 0.500 in N/A 17 N/A 50-2 N/A D50BB17 N/A RT 27 N/A CAD
N/A D-60BB15-DBL IDLER SPROCKET N/A 0.500 in N/A 15 N/A 60-2 N/A D60BB15 N/A RT 27 N/A CAD
N/A D-80BB12-DBL IDLER SPROCKET N/A 0.750 in N/A 12 N/A 80-2 N/A D80BB12 N/A RT 38 N/A CAD
N/A D-100BB11-DBL IDLER SPROCKET N/A 0.750 in N/A 11 N/A 100-2 N/A D100BB11 N/A RT 45 N/A CAD
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