The Timken Company - Idler Pulley Units

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Timken’s integrated, pressed-steel idler pulleys combine a precision ball bearing with rubber seals to create a self-contained unit.

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Unit of Measure

Items	006-11520A Idler Pulley Units	006-11581A Idler Pulley Units	008-10482 Idler Pulley Units	008-10483 Idler Pulley Units	008-10601 Idler Pulley Units
α Included Angle	N/A 32 º	N/A 10 º	N/A 32 º	N/A 10 º	N/A 10 º
Bearing Number	N/A WS3NPP3	N/A WS3NPP3	N/A 203KRR5	N/A 203KRR5	N/A 203KRR5
Bore	N/A 0.394/0.385 in10.01/9.78 mm	N/A 0.394/0.385 in10.01/9.78 mm	N/A 0.515/0.51 in13.08/12.95 mm	N/A 0.515/0.51 in13.08/12.95 mm	N/A 0.515/0.51 in13.08/12.95 mm
Outside Diameter D	N/A 3 in76.2 mm	N/A 3.6250 in92.1 mm	N/A 5.0625 in128.6 mm	N/A 6.25 in158.8 mm	N/A 4.6250 in117.5 mm
Width A	N/A 3/4 in19 mm	N/A 1 7/32 in30.6 mm	N/A 1 1/4 in31.8 mm	N/A 1 7/16 in36.5 mm	N/A 1 7/16 in36.5 mm
Dimension D1	N/A	N/A 3 in76.2 mm	N/A	N/A 5 1/2 in139.7 mm	N/A 4 in101.6 mm
Dimension W	N/A 0.49 in12.45 mm	N/A 7/8 in22.2 mm	N/A 0.872 in22.15 mm	N/A 1 in25.4 mm	N/A 1 in25.4 mm
Weight	N/A 0.22 lb0.145 Kg	N/A 0.57 lb0.259 Kg	N/A 1.26 lb0.572 Kg	N/A 1.77 lb0.803 Kg	N/A 1.11 lb0.503 Kg