FREE delivery on orders over €150
BOSTON GEAR NA20B-1/2 Spur Gear, 20 Diametral Pitch, 14 1/2 Deg. Pressure Angle, 20 Teeth, Steel
Item: AK3BXEModel: NA20B-1/2
7 In Stock
1/2"
20
Ships within 2 days via
€88.11 /unit
Add To Cart
Request a Quote
Payment
Product Specifications:
| Item | Spur Gear |
| Bore Dia. | 1/2" |
| Bore Type | Bored To Size |
| Diametral Pitch | 20 |
| Face Width | 3/8" |
| Hardened Teeth | Without Hardened Teeth |
| Hub Dia. | 0.84" |
| Keyway | With Setscrew |
| Length Through Bore | 3/4" |
| Material | Steel |
| Max. Rated Torque | 29.7 N-m @ 1800 RPM |
| No. Of Teeth | 20 |
| Outside Dia. | 1.1" |
| Pitch Dia. | 1" |
| Pressure Angle | 14.5° |
| Product Datasheet | boston-gear-g101.pdf |
| Set Screw | Yes |
| Set Screw Size | 0.5 |
| Torque @ 1200 Rpm | 34.8 lbs.-in. |
| Torque @ 1800 Rpm | 29.7 lbs.-in. |
| Torque @ 200 Rpm | 48.7 lbs.-in. |
| Torque @ 300 Rpm | 46.9 lbs.-in. |
| Torque @ 600 Rpm | 42 lbs.-in. |
| Torque @ 900 Rpm | 38 lbs.-in. |
| Type | A |
Shipping Info:
| Ship weight (kg) | 0.05 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 2.54 |
| Ship width (cm) | 2.54 |
| Country of Origin | US |
Documentation:
Product Variants
| Product | Model | Pitch Dia. | No. Of Teeth | Face Width | Hub Dia. | Diametral Pitch | Bore Dia. | Type | Hub Projection | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
 |
NA12B | 3/5" | 12 | 3/8" | 0.45" | 20 | 5/16" | - | 0.38" | €48.67 | |
|
NA32 | 1 3/5" | 32 | 3/8" | 1.31" | 20 | 3/8" | - | 0.5" | €91.19 | |
 |
NA11B | 0.6" | 11 | 0.38" | 0" | 20 | - | - | - | €43.38 | |
 |
NA13B | 0.65" | 13 | 3/8" | 1/2" | 20" | 0.313" | Plain | 0.38" | €46.15 | |
 |
NA14B | 0.7" | 14 | 3/8" | 14/25" | 20" | 0.313" | Plain | 0.38" | €49.23 | |
 |
NA15B | 3/4" | 15 | 3/8" | 3/5" | 20" | 3/8" | Plain | 0.38" | €50.76 | |
 |
NA16B | 4/5" | 16 | 3/8" | 0.66" | 20" | 3/8" | Plain | 0.38" | €52.60 |
Explore Products
- SMC VALVES VXR2390-20T-5D Media Valve
- 3M 7010510394
- GRAINGER BULK-PS-ABS-510 Rectangle Stock, 2 Inch Plastic Thick, Beige, Opaque, 6200 Psi Tensile Strength
- LS ELECTRIC MMS-63S50A MMS-63S50A
- GEMS SENSORS 16m8d0 16M8D0
- STARRETT 91515-12-07 Band Saw Blade Coil Stock, Carbon Steel, 3/4 Inch Width, 3 TPI, 12 Ft. 7 Inch Coil
- TITAN FASTENERS smplsr External Snap Ring Assortment
Explore More
- COFFING HOIST
- KEYSHAFT
- NUCOR
- MOYNO
- OILITE
- Penlights
- Hazardous Location Motors
- Test Instrument Carrying Cases
- Roller Spray Pumps
- Door Locks
- DWYER INSTRUMENTS MAFS Series Metal Averaging Flow Sensors
- MEMPHIS GLOVE NXG Cotton Polyester Gloves
- MECHANIX Carbon X Level 1 Heat Resistant Gloves
- CONDOR Leather Coated Cut Resistant Gloves, Cut Level A4
- VIBCO VS Series Silent Pneumatic Turbine Vibrators
- DIXON DQC Vep-Bop Series
- PASS AND SEYMOUR Radiant Series Self Grounding Four Way Switches
- WERMA EvoSIGNAL Midi TwinLIGHT Series LED Industrial Signal Beacons
- HEXARMOR Ear Plugs
- SANDPIPER Pb 1/4 Inch Size
Contact us
Contact your account manager right away to get personal advice.
We're available Monday through Friday, from 07:30 until 17:00.
BOSTON GEAR NA20B-1/2 Spur Gear, 20 Diametral Pitch, 14 1/2 Deg. Pressure Angle, 20 Teeth, Steel
€88.11 /unit