FREE delivery on orders over €150
Product Specifications:
| Item | Spur Gear |
| Bore Dia. | 1/2" |
| Bore Type | Minimum Plain Bore |
| Diametral Pitch | 20 |
| Face Width | 3/8" |
| Hardened Teeth | Without Hardened Teeth |
| Hub Dia. | 1 1/4" |
| Keyway | No Kwy, Setscrew |
| Keyway Size | No Keyway Or Set Screw |
| Length Through Bore | 7/8" |
| Material | Cast Iron |
| Maximum Rated Torque | 65.5 N-m @ 900 RPM |
| Maximum Torque Rating | 65.5 lbs.-in. @ 900 RPM |
| No. Of Teeth | 84 |
| Origin | Reborable |
| Outer Dia. | 4.37" |
| Pitch Dia. | 4.2" |
| Pressure Angle | 14.5° |
| Product Datasheet | boston-gear-g101.pdf |
| Set Screw | No |
| Style | Hub |
| Torque At 1200 Rpm | 54.3 lbs.-in. |
| Torque At 200 Rpm | 127 lbs.-in. |
| Torque At 300 Rpm | 112 lbs.-in. |
| Torque At 600 Rpm | 82.7 lbs.-in. |
| Torque At 900 Rpm | 65.5 lbs.-in. |
Shipping Info:
| Ship weight (kg) | 0.45 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 2.54 |
| Ship width (cm) | 2.54 |
| Country of Origin | US |
Documentation:
Product Variants
| Product | Model | Diametral Pitch | Pitch Dia. | Face Width | Hub Dia. | Bore Dia. | Hub Projection | Type | Overall Length | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
NA70 | 20 | 3 1/2" | 0.38" | 1 1/4" | - | - | - | - | €159.74 | |
![]() |
NA72 | 20 | 3.6" | 3/8" | 1 1/4" | 3/8" | - | B | - | €162.14 | |
![]() |
NA80 | 20" | 4" | 3/8" | 1 1/4" | 1/2" | 1/2" | Web | 7/8" | €164.52 | |
![]() |
NA90 | 20" | 4 1/2" | 3/8" | 1 1/4" | 1/2" | 1/2" | Web | 7/8" | €182.33 | |
![]() |
NA96 | 20 | 4.8" | 3/8" | 1 1/4" | 1/2" | - | C | - | €190.40 | |
![]() |
NA100 | 20" | 5" | 3/8" | 1 1/4" | 1/2" | 1/2" | Spoke | 7/8" | €197.41 | |
![]() |
NA112 | 20 | 5.6" | 3/8" | 1 1/2" | 1/2" | - | D | - | €246.44 |
Explore Products
- VERMONT GAGE 141208680 Plug Gage, Class X, NoGo, Steel, 0.0868 Inch Size
- COOPER B-LINE R9000 EE Termination Enclosure, 800A, Gray Painted, 4 Wires, 3 Phase
- HUBBELL WIRING DEVICE-KELLEMS 073041280 Cable Support Grip Bus Drop .73-.85In
- LEATHERHEAD TOOLS PLY-3AH-B Pike Pole, Hollow Pole, Rubber Bumper, American Hook, 36 Inch Length, Yellow
- SMC VALVES CDA2T63-105-J59 Tie Rod Cylinder, 63 mm Size, Double Acting Auto Switcher
- SPEC C03000421380S Compression Spring, 18.1 lbs/In Stiffness Rate, 7.4 lbs Load Capacity, Stainless Steel
- APOLLO VALVES 77143A6 Bronze 2 Pcs Ball Valve with Less Lever and Nut No Hangtag 1/2 Inch Size, 2 x FNPT
- OSG 1400143900 Thread Forming Tap Forming 1/2x13 Bright
Explore More
- ARTU
- COLDER PRODUCTS COMPANY
- GUARDAIR
- KEYSHAFT
- NSI INDUSTRIES
- Scissor Lift Carts
- Extracting Tools
- Battery Testers
- Pipe Extractors
- Test Lead Wire
- DESTACO 237 Series Horizontal Hold Down Clamps
- AKRO-MILS 30084 Shelfmax Shelf Bins
- LUMAPRO Cord Reel Lights
- ANVIL AS1100 Series Rigid Steel Conduit Clamps, 304 Stainless Steel
- UNISTRUT Conduit Clamp
- COOPER B-LINE Type 3R Screw Cover Wiring Troughs
- EATON Magnum Series Motor Operators
- TEADIT Style 905 Metalbest Gaskets
- SEALMASTER CRBFTS Series Two-Bolt Flange Bearings, Bolt-On Caps
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 NA84 Spur Gear, 20 Diametral Pitch, 14 1/2 Deg. Pressure Angle, 84 Teeth, Cast Iron
€174.56 /unit







