Martin 40BB17H 5/8 BB-H Ball Bearing Type A Idler Roller Chain Sprocket, 5/8 in Dia Bore, 2.97 in OD, 40 Chain, 17 Teeth, 1/2 in Pitch, Steel
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 Idler Roller Chain Sprocket, Ball Bearing Type A, Series: BB-H, 5/8 in Bore Dia, 2.97 in Outside Dia, 40 Chain, 17 Teeth, 1/2 in Pitch, 2.721 in, 2.042 in Hub Dia, 0.72 in Length Through Bore, Steel
| Type | : | Ball Bearing Type A |
| Series | : | BB-H |
| Bore Diameter | : | 5/8 in |
| Outside Diameter | : | 2.97 in |
| Chain Size | : | 40 |
| Number of Teeth | : | 17 |
| Pitch | : | 1/2 in |
| Pitch Diameter | : | 2.721 in |
| Hub Diameter | : | 2.042 in |
| Length Through Bore | : | 0.72 in |
| Material | : | Steel |