FREE delivery on orders over €150
BOSTON GEAR NA28B-1/2 Spur Gear, 20 Diametral Pitch, 14 1/2 Deg. Pressure Angle, 28 Teeth, Steel
Item: AK3BXMModel: NA28B-1/2
7 In Stock
1/2"
28
Ships within 2 days via
€94.89 /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. | 1.11" |
| Keyway | With Setscrew |
| Length Through Bore | 3/4" |
| Material | Steel |
| Max. Rated Torque | 39.2 N-m @ 1800 RPM |
| No. Of Teeth | 28 |
| Outside Dia. | 1 1/2" |
| Pitch Dia. | 1.4" |
| Pressure Angle | 14.5° |
| Product Datasheet | boston-gear-g101.pdf |
| Set Screw | Yes |
| Set Screw Size | 0.5 |
| Torque @ 1200 Rpm | 47.5 lbs.-in. |
| Torque @ 1800 Rpm | 39.2 lbs.-in. |
| Torque @ 200 Rpm | 73.4 lbs.-in. |
| Torque @ 300 Rpm | 69.7 lbs.-in. |
| Torque @ 600 Rpm | 60.3 lbs.-in. |
| Torque @ 900 Rpm | 53.2 lbs.-in. |
| Type | A |
Shipping Info:
| Ship weight (kg) | 0.1 |
| 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
- UNIWELD CA370 Cutting Attachment, 8-3/4 Inch Length
- BRADLEY S19-324C50 Emergency Signaling System, Cable 50 Feet Length
- HAYWARD TBH2125ASTV0Z00 Manual Two-Way Ball Valve, 1 1/4 Inch, CPVC, Straight, Full Port Ball Port
- GATES tckwp193a Timing Component Kit W/Water Pump, Tckwp193A
- APPROVED VENDOR ZUSA-PU-164 Foam Sheet 80280 Polypropylene Natural 1/2 x 12 x 12
- REGAL 059594JM94 Cobalt End Mill, Single End, 2 Inch Dia., 4-1/2 Inch Length, 8 Flutes
- WESTWARD 53YP84 Socket, 1/4 Inch Drive Size, 3.5 mm, 6-Point Chrome
- LUMAPRO 2RPJ2 Machine Tool Light Compact Head
Explore More
- KEYSHAFT
- KOMELON
- TOUGHSTRIPE
- CHAMPION AEROSPACE
- BONEHAM
- Regenerative Blower Relief Valves
- Panel Meter Accessories
- Audible Signaling Devices
- Portable Power Sources
- CONDOR Coated Gloves, ANSI Abrasion Level 4, Rough Nitrile
- CONDOR Ergonomic Knee Supports
- ASHCROFT E Bimetallic Thermometer, 5 Inch External Adjust, Every Angle Connection
- RUD CHAIN WPPH-S Powerpoint Universal Connection Hoist Rings
- MUELLER INDUSTRIES 692M Duplex Basket Strainers
- SMC VALVES Speed Control Valve with 8mm Tube Size
- APOLLO VALVES 36CLF Series, Water Pressure Reducing Valves
- MARTIN SPROCKET QD Bushed Type High Torque Sprockets, 20MM Belt Pitch
- RAYMOND PRODUCTS 2000 Series Mighty King Desk Lifts
- CRESCENT Closed Reel Fiberglass Tape Measures
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 NA28B-1/2 Spur Gear, 20 Diametral Pitch, 14 1/2 Deg. Pressure Angle, 28 Teeth, Steel
€94.89 /unit