ShopIBT | Martin Sprocket & Gear | Ball Bearing Idler Sprocket, 1/2 in Bore, 2.975 in OD, #40 Chain, 17 Teeth, 1/2 in Pitch, 2.7211 in Pitch Diameter, 2.15 in Diameter Hub, 0.72 in Length Through Bore, Plastic

40BB17NM 1/2

Ball Bearing Idler Sprocket, 1/2 in Bore, 2.975 in OD, #40 Chain, 17 Teeth, 1/2 in Pitch, 2.7211 in Pitch Diameter, 2.15 in Diameter Hub, 0.72 in Length Through Bore, Plastic

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MFG #40BB17NM 1/2

IBT #00568044402

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: Bore Diameter: 1/2 Inch
Chain Size: #40
Hub Diameter: 2.15 Inch
Length Through Bore: 0.72 Inch
Material: Plastic
Number of Teeth: 17
Outside Diameter: 2.975 Inch
Pitch: 1/2 Inch
Pitch Diameter: 2.7211 Inch
Width: 3.13

: Martin idlers are smooth-running and available in oil-impregnated, sintered bronze, extra-duty bearing press-fitted in sprocket and a hardened steel journal case for maximum resistance to wear. Steel sprockets used in Martin idlers are accurately machined (not stamped) the same as sprockets normally supplied for power transmission use. Martin can also alter existing sprockets and install bearings to make custom idlers. Martin Ball Bearing Idler Sprocket, 1/2 in Bore, 2.975 in OD, #40 Chain, 17 Teeth, 1/2 in Pitch, 2.7211 in Pitch Diameter, 2.15 in Diameter Hub, 0.72 in Length Through Bore, Plastic

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Martin Sprocket & Gear 40BB17NM 1/2Ball Bearing Idler Sprocket, 1/2 in Bore, 2.975 in OD, #40 Chain, 17 Teeth, 1/2 in Pitch, 2.7211 in Pitch Diameter, 2.15 in Diameter Hub, 0.72 in Length Through Bore, Plastic