Part Number 251658R1 Helical Gear
SKU: 3020002040154Product Features
Timing mark on 25 tooth cw from center of keyway, both chamfers 1/16 in. By 45 degrees opposite timing mark, timing mark between 4 and 5 tooth, ccw from center of keyway
251658R1 Helical Gear Datasheet
Body Style:
Webbed, offset, solid
Pitch Diameter:
2.0234 inches
Teeth Quantity:
54
Bore Style:
10A w/ keyway both ends
Bore Style:
W/ keyway both ends
Hardness Rating:
16.0 rockwell c and 26.0 rockwell c
Outside Diameter:
7.220 inches
Nominallength:
1.375 inches
Teeth Type:
Single helix
Tooth Form:
Standard
Tooth Direction:
Left
Pressure Angle:
14.5000 degrees
Helix Angle:
39.4500 degrees
Distance Between Body Face And Protruding Hub End:
0.109 inches both ends
Distance Between Body Face And Recessed Hub End:
0.171 inches second end
Face Width:
1.125 inches
Bore Diameter:
1.249 inches both ends
Keyway Width:
0.252 inches both ends
Distance From Bore Center To Keyway Bottom:
0.745 inches both ends
Hub Style Designator:
Plain both ends
Hub Diameter:
1.875 inches second end
Hub Diameter:
2.375 inches first end
Style Designator:
One protruding hub, one recessed hub
Manufacturer Cage:
29510
Trade Information:
- Schedule B: 8483409000
- SITC: 74840
- End Use: Industrial machines, other
- NAICS: 333612
- USDA: 1
Gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separately
Aerospace Hardware Guarantee
Genuine Manufacturers Parts
100% Product Inspection
7 year Sales Record Retention
Fast On-Time Delivery
HAZMAT Certified
Global Shipping