On request
BOSTON GEAR (ALTRA)
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BOSTON GEAR (ALTRA) NJ21B
#NJ21B
On request
External Tooth Spur Gear - 6 DP, 14.5 ° Pressure Angle, 1-1/2 in Face, 21 Teeth, 3.833 in Outside Diameter, Rough Stock, 1 in Bore, Hub without Keyway or Set Screw, Steel Material
Price on request — a consultant will confirm lead time and terms.
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Specifications
| Brand | BOSTON GEAR (ALTRA) |
| Category | EXTERNAL TOOTH SPUR GEARS |
| Diametral pitch | 6 |
| Hub type | Hub w/ No Keyway or Set Screw |
| Pressure angle | 14.5 ° |
| Pitch diameter | 3-1/2 in |
| Face width | 1-1/2 in |
| Hub diameter | 2.96 in |
| Number of teeth | 21 |
| Gear construction | Plain |
| Bore type | Rough Stock |
| Overall width | 2.38 in |
| Bore diameter | 1 in |
| Hub projection | 0.88 in |
| Outside diameter | 3.833 in |
| Manufacturer catalog number | 9844 |
| Material | Steel |
| Manufacturer catalog | http://www.bostongear.com/-/media/Files/Literature/Brand/boston-gear/catalogs/p-1930-bg.ashx |
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