FREE delivery on orders over €150
Product Specifications:
| Item | Spur Gear |
| Bore Dia. | 3/8" |
| Bore Type | Bored To Size |
| Diametral Pitch | 20 |
| Face Width | 3/8" |
| Hardened Teeth | Without Hardened Teeth |
| Hub Dia. | 1.22" |
| Keyway | With Setscrew |
| Length Through Bore | 3/4" |
| Material | Steel |
| Maximum Rated Torque | 40.9 N-m @ 1800 RPM |
| No. Of Teeth | 30 |
| Outer Dia. | 1.6" |
| Pitch Dia. | 1 1/2" |
| Pressure Angle | 14.5° |
| Product Datasheet | boston-gear-g101.pdf |
| Set Screw | Yes |
| Set Screw Size | 0.375 |
| Torque At 1200 Rpm | 50 lbs.-in. |
| Torque At 1800 Rpm | 40.9 lbs.-in. |
| Torque At 200 Rpm | 78.9 lbs.-in. |
| Torque At 300 Rpm | 74.6 lbs.-in. |
| Torque At 600 Rpm | 64 lbs.-in. |
| Torque At 900 Rpm | 56.1 lbs.-in. |
| Type | A |
Shipping Info:
| Ship weight (kg) | 0.14 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 2.54 |
| Ship width (cm) | 2.54 |
| Country of Origin | US |
Documentation:
Product Variants
| Product | Model | Face Width | Diametral Pitch | Pitch Dia. | Hub Dia. | Bore Dia. | Hub Projection | Number Of Teeth | Outside Dia. | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
NA12B | 3/8" | 20 | 3/5" | 0.45" | 0.313" | 0.38" | 12 | 0.7" | €48.67 | |
![]() |
NA32 | 3/8" | 20 | 1 3/5" | 1.31" | 3/8" | 0.5" | 32 | 1.7" | €91.19 | |
![]() |
NA11B | 0.38" | 20 | - | - | - | - | - | - | €43.38 | |
![]() |
NA13B | 3/8" | 20" | 0.65" | 1/2" | 0.313" | 0.38" | - | - | €46.15 | |
![]() |
NA14B | 3/8" | 20" | 0.7" | 14/25" | 0.313" | 0.38" | - | - | €49.23 | |
![]() |
NA15B | 3/8" | 20" | 3/4" | 3/5" | 3/8" | 0.38" | - | - | €50.76 | |
![]() |
NA16B | 3/8" | 20" | 4/5" | 0.66" | 3/8" | 0.38" | - | - | €52.60 |
Explore Products
- MARTIN SPROCKET 4TEF2-BB-P Trough End With Feet, Ball Bearing, 0.25 Inch Thickness, 8.125 Inch Width, Steel
- GATES 725910155
- OMRON D4C0001 Limit Switch Head Pin Plunger F/d4c1601
- CASH VALVE FRM-ACZSZSGH03-E6 Cryogenic Valve, 1/4 Inch Size, 100-250 PSI, Stainless Steel
- VERMONT GAGE 233305210 Ring Gage, Class Y, NoGo, Carbide
- CLEVELAND C32744 0 Ball End Mill, 2 Flutes, 3/4 Inch Milling Dia, 1 5/8 Inch Length Of Cut
- BATTALION 2ZEP6 Continuous Hinge Natural 6 Feet Length 2 Inch Width
- GROVE GEAR EL8260572.16 EL-HMQ826-100-H_-140-16 Worm Reducer, 100:1 Ratio, 0.875 Inch I.D, 1 Inch O.D, Aluminum
Explore More
- DOMINATOR
- KEYSHAFT
- TECHFLEX
- VERSA KOOL
- WARN
- Weatherproof Boxes
- Non Hazardous and Hazardous Waste Labels
- Dump Carts
- Swing Bolts
- Gasket Cutter Accessories
- DWYER INSTRUMENTS DBT Series Digital Solar-Powered Bimetal Thermometers
- ANSELL Coated Nitrile Gloves, Gray White
- CONDOR Cowhide Leather Gray Palm Gloves
- HONEYWELL Rig Dog Knit Grip Plus Gloves
- ORBECO Dt Cartridge Hg(no3)2
- BLUFF Edge Of Dock Leveler
- WESTWARD Spring Clamp 2 Inch
- GENERAL PIPE CLEANERS SX-JM-2512-V Series Skid Mount Typhoon Jet Sets
- BROWNING YSM Series Unhardened Steel Miter Gears, 5 Pitch
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 NA30B-3/8 Spur Gear, 20 Diametral Pitch, 14 1/2 Deg. Pressure Angle, 30 Teeth, Steel
€102.58 /unit






