Needle Bearing Type B Idler Sprocket Size Chart
Needle Bearing Type B Idler Sprockets are robust components designed for demanding applications such as conveyor systems, material handling equipment, and agricultural machinery. Constructed with cast iron bodies and hardened teeth, these sprockets provide exceptional durability and wear resistance. This guide features a comprehensive size chart detailing key specifications, including Part Number, Chain Size, Number of Teeth, Outside Diameter, and Length Through Bore.
Click on any part number in the chart for more information and to explore our full selection of Needle Bearing Type B Idler Sprockets.
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Needle Bearing Idler Sprockets
| Part Number | Chain Size | Teeth | Outside Diameter | Length Thru Bore | Bore |
| 25NB19H, 25B19F, HN25B19 | 25 | 19 | 1.65″ | 0.5″ | 0.5″ |
| 35NB13H, 35B13F, HN35B13 | 35 | 13 | 1.75″ | 0.75″ | 0.5″ |
| 35NB19H, 35B19F, HN35B19 | 35 | 19 | 2.47″ | 0.75″ | 0.5″ |
| 41NB19H, 41B19F, HN41B19 | 41 | 19 | 3.3″ | 1″ | 1″ |
| 40NB19H, 40B19F, HN40B19 | 40 | 19 | 3.3″ | 1″ | 1″ |
| 50NB17H, 50B17F, HN50B17 | 50 | 17 | 3.72″ | 1″ | 1″ |
| 60NB11H, 60B11F, HN60B11 | 60 | 11 | 2.96″ | 1.4″ | 1″ |
| 60NB17H, 60B17F, HN60B17 | 60 | 17 | 4.46″ | 1.4″ | 1″ |
| 80NB13H, 80B13F, HN80B13 | 80 | 13 | 4.65″ | 1.5″ | 1″ |
| 100NB11H, 100B11F, HN100B11 | 100 | 11 | 5.1″ | 1.87″ | 1.5″ |
| 120NB11H, 120B11F, HN120B11 | 120 | 11 | 6.1″ | 2.12″ | 1.5″ |
| 140NB11H, 140B11F, HN140B11 | 140 | 11 | 7.1″ | 2.25″ | 1.5″ |
| 160NB9H, 160B9F, HN160B9 | 160 | 9 | 6.7″ | 2.25″ | 1.5″ |
